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University of California – Irvine
1.
Borucki, Ewa.
Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli.
Degree: Psychology, 2014, University of California – Irvine
URL: http://www.escholarship.org/uc/item/4dn2h46h 
► Through a series of experiments, the possible influence of cubic difference tones (CDTs) was investigated in a task traditionally used to investigate the bandwidths of…
(more)
▼ Through a series of experiments, the possible influence of cubic difference tones (CDTs) was investigated in a task traditionally used to investigate the bandwidths of phase sensitivity. In each procedure, estimates of modulation depth necessary to discriminate amplitude modulated (AM) and quasi-frequency modulated (QFM) tones were measured. Threshold functions for the listeners were often non-monotonic, with sharp non-monotonicities observed at higher bandwidths (e.g. above 600 Hz for a 2000 Hz carrier). This is likely due to the generation of a CDT at the site of the lower sideband creating a salient spectral cue. The cue is shown to be degraded by randomizing phase of the carrier frequency (Tabuchi, Borucki, and Berg, 2012). However, when duration is limited, temporal discrimination ability is degraded while a smaller effect is found at the sites of probable distortion product effects. When the intensity of the center frequency is decreased from 80 dB to 40 dB SPL a greater number of non-monotonicities are observed for high modulation frequency conditions, reflecting changes in phase of the CDT that occurs with changes in intensity. Finally, thresholds were measured as a function of the phase of the lower side band; thresholds support a model that suggests listeners discriminate between tone complexes based on the interaction of the CDT with the lower sideband at higher bandwidths.
Subjects/Keywords: Psychology; Psychoacoustics; Psychophysics
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APA (6th Edition):
Borucki, E. (2014). Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli. (Thesis). University of California – Irvine. Retrieved from http://www.escholarship.org/uc/item/4dn2h46h
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Borucki, Ewa. “Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli.” 2014. Thesis, University of California – Irvine. Accessed February 27, 2021.
http://www.escholarship.org/uc/item/4dn2h46h.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Borucki, Ewa. “Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli.” 2014. Web. 27 Feb 2021.
Vancouver:
Borucki E. Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli. [Internet] [Thesis]. University of California – Irvine; 2014. [cited 2021 Feb 27].
Available from: http://www.escholarship.org/uc/item/4dn2h46h.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Borucki E. Perceptual Effects of Auditory Distortion Products on Three-Tone Stimuli. [Thesis]. University of California – Irvine; 2014. Available from: http://www.escholarship.org/uc/item/4dn2h46h
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Rochester
2.
Crawford, Steven E.
Computational framework for the analysis of spatial
audio.
Degree: PhD, 2020, University of Rochester
URL: http://hdl.handle.net/1802/36033
► In this thesis, the extent to which the coherence properties of binaural signals can be used in the computation of cues that aid in the…
(more)
▼ In this thesis, the extent to which the coherence
properties of binaural signals
can be used in the computation of
cues that aid in the prediction of perceived
location and apparent
auditory source width of sound events is explored. To
this end, a
computational, modular framework for spatial audio analysis is
developed and applied as a prediction tool on synthetically
rendered spatial
sound fields. The primary focus is to develop a
binaural fusion model, and
more generally, a model of spatial
hearing with immediate practical
application to objective, spatial
sound-localization predictions for arbitrary
multi-channel and/or
headphone-based spatial audio synthesis schemes. The
binaural
model and overall framework may serve as useful tools for the
analysis and design of spatial audio experiences for virtual and
augmented
reality systems. The framework also may be employed as a
convenient
alternative to the direct use of human participants in
listening experiments,
and as such may serve as a tool in the
development of spatial audio
rendering systems. Utilizing a
computational binaural auditory model as its
front-end, the
framework is composed of a series of modular signal
processing
blocks designed to simulate the peripheral and central stages of
the human auditory system. The present implementation of the
binaural
fusion model builds upon the Meddis hair cell model for
the peripheral stages
and coincidence detection of delay-line
activity patterns (the Jeffress model) for the central processing
stage. However, the overall framework is intended
to be modular
and not model specific. Additionally, signals are processed
using
a gammatone filter bank to produce an interaural coherence
function; a
short-time windowed cross-correlation of the binaural
signals in each
gammatone filter band. These interaural coherence
functions collectively
produce a binaural activity representation,
called a ‘correlogram’, from which
the perceived auditory image
location and its spatial extent may be inferred. A
dictionary of
basis correlograms corresponding to measured sound source
locations in three-dimensional space is generated and then used to
compare
the rendering precision and accuracy of virtual auditory
images produced
using first order and higher order Ambisonics (FOA
and HOA). A form of
regularized regression, called an elastic net,
is used to infer the spatial and
psychoacoustic properties of the
virtual acoustic source. The final output of
the framework is a
predictive metric representing the perceived location and
‘width’
of an acoustic source in 3D space.
Subjects/Keywords: Audio; Psychoacoustics; Spatial
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APA (6th Edition):
Crawford, S. E. (2020). Computational framework for the analysis of spatial
audio. (Doctoral Dissertation). University of Rochester. Retrieved from http://hdl.handle.net/1802/36033
Chicago Manual of Style (16th Edition):
Crawford, Steven E. “Computational framework for the analysis of spatial
audio.” 2020. Doctoral Dissertation, University of Rochester. Accessed February 27, 2021.
http://hdl.handle.net/1802/36033.
MLA Handbook (7th Edition):
Crawford, Steven E. “Computational framework for the analysis of spatial
audio.” 2020. Web. 27 Feb 2021.
Vancouver:
Crawford SE. Computational framework for the analysis of spatial
audio. [Internet] [Doctoral dissertation]. University of Rochester; 2020. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/1802/36033.
Council of Science Editors:
Crawford SE. Computational framework for the analysis of spatial
audio. [Doctoral Dissertation]. University of Rochester; 2020. Available from: http://hdl.handle.net/1802/36033
Dalhousie University
3.
Andrus, Jessica.
The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study.
Degree: MS, School of Human Communication Disorders, 2012, Dalhousie University
URL: http://hdl.handle.net/10222/14417
► Vowel perception primarily depends on the overall shape of the speech spectrum, which is imposed by the positions of the primary speech articulators. Voiced vowels…
(more)
▼ Vowel perception primarily depends on the overall
shape of the speech spectrum, which is imposed by the positions of
the primary speech articulators. Voiced vowels also have a harmonic
fine structure due to the activity of the vocal folds, and these
harmonics give rise to synchronized activity in the brainstem. This
synchronous firing may be useful for speech perception in noise and
speaker discrimination, although it is unknown if the synchronized
neural response to the harmonic increases perceptual audibility of
the harmonic. The focus of the current study was to examine the
relationship between the audibility of harmonics and the brainstem
response to harmonics. The individual harmonics were found to be
encoded in the brainstem, determined using brainstem
frequency-following response recording, and the individual
harmonics were audible to the individual, as determined using the
pulsation threshold technique; however there was minimal
relationship between the frequency-following response and
perception of harmonics.
Advisors/Committee Members: Aaron Newman (external-examiner), Joy Armson (graduate-coordinator), Michael Kiefte (thesis-reader), Jian Wang (thesis-reader), Steve Aiken (thesis-supervisor), Received (ethics-approval), Not Applicable (manuscripts), Not Applicable (copyright-release).
Subjects/Keywords: Audiology; Electrophysiology; Psychoacoustics; Vowel perception
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APA ·
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APA (6th Edition):
Andrus, J. (2012). The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study. (Masters Thesis). Dalhousie University. Retrieved from http://hdl.handle.net/10222/14417
Chicago Manual of Style (16th Edition):
Andrus, Jessica. “The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study.” 2012. Masters Thesis, Dalhousie University. Accessed February 27, 2021.
http://hdl.handle.net/10222/14417.
MLA Handbook (7th Edition):
Andrus, Jessica. “The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study.” 2012. Web. 27 Feb 2021.
Vancouver:
Andrus J. The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study. [Internet] [Masters thesis]. Dalhousie University; 2012. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/10222/14417.
Council of Science Editors:
Andrus J. The Perception and Neural Representation of Individual
Harmonics in a Vowel Sound: A Behavioral and Auditory Brainstem
Evoked Response Study. [Masters Thesis]. Dalhousie University; 2012. Available from: http://hdl.handle.net/10222/14417
University of British Columbia
4.
Carson, Arlene Jane.
The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects.
Degree: MS- MSc, Audiology and Speech Sciences, 1982, University of British Columbia
URL: http://hdl.handle.net/2429/23114
► The present study investigated the combination tone 2fl-f2 in normal hearing subjects and subjects with high frequency noise-induced hearing loss by measuring the forward masking…
(more)
▼ The present study investigated the combination tone 2fl-f2 in normal hearing subjects and subjects with high frequency noise-induced hearing loss by measuring the forward masking effect of 2fl-f2 exerted at its own frequency. Forward masking was plotted as the increase in masked threshold of a brief probe tone located at frequency 2fl-f2 as a function of the intensity of the primary tones, fl and f2. The masking effect of the lower primary alone, fl, was also measured to determine the possible contribution of fl toward the total masking obtained with the fl+f2 stimulus.
Results of this investigation showed that 1) a forward-masking effect attributable to 2fl-f2 was seen for each normal-hearing subject, usually beginning at an fl+f2 intensity between 40 and 60 dB SPL. Average slopes of the growth of this masking were 0.8 between 60 and 70 dB SPL and 1.1 between 70 and 80 dB SPL. 2) there was little or no masking effect due to fl+f2 for hearing-loss subjects at intensities between 60 and 70 dB SPL, most likely explained by the fact that the quiet thresholds at the fl, f2, and probe tone frequencies were elevated for these subjects. This finding agreed with published studies by showing that the forward masking effect was strongly and inversely correlated with the quiet thresholds at the fl, f2, and probe tone frequencies (significant to p=.0l). 3) at an fl+f2 intensity of 80 dB SPL, several hearing-loss subjects displayed a masking effect attributable to 2fl-f2. It is not clear why this occurred for some of these subjects, because even at 80 dB SPL, the sensation
level of the fl+f2 stimulus was only slightly supra-threshold. 4) for some normal-hearing and hearing-loss subjects a significant masking effect due to fl alone was noted. This finding made it difficult to assess the contribution of 2fl-f2 toward the total masking displayed with the fl+f2 stimulus for these subjects. 5) results with the fl and fl+f2 stimulus were highly variable for both subject groups. 6) the unresolved role of suppression in distortion product generation as well as a limited understanding of noise-induced hearing loss make it difficult to apply the present results toward one particular model of combination tone production.
Subjects/Keywords: Psychoacoustics; Hearing
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APA (6th Edition):
Carson, A. J. (1982). The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects. (Masters Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/23114
Chicago Manual of Style (16th Edition):
Carson, Arlene Jane. “The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects.” 1982. Masters Thesis, University of British Columbia. Accessed February 27, 2021.
http://hdl.handle.net/2429/23114.
MLA Handbook (7th Edition):
Carson, Arlene Jane. “The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects.” 1982. Web. 27 Feb 2021.
Vancouver:
Carson AJ. The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects. [Internet] [Masters thesis]. University of British Columbia; 1982. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/2429/23114.
Council of Science Editors:
Carson AJ. The forward masking effect of 2fl-f2 in normal hearing and noise-induced hearing loss subjects. [Masters Thesis]. University of British Columbia; 1982. Available from: http://hdl.handle.net/2429/23114
Georgia Tech
5.
King, Lisa Charmayne.
Auditory ambience as an information display.
Degree: PhD, Psychology, 1994, Georgia Tech
URL: http://hdl.handle.net/1853/28829
Subjects/Keywords: Psychoacoustics; Auditory perception
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APA (6th Edition):
King, L. C. (1994). Auditory ambience as an information display. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/28829
Chicago Manual of Style (16th Edition):
King, Lisa Charmayne. “Auditory ambience as an information display.” 1994. Doctoral Dissertation, Georgia Tech. Accessed February 27, 2021.
http://hdl.handle.net/1853/28829.
MLA Handbook (7th Edition):
King, Lisa Charmayne. “Auditory ambience as an information display.” 1994. Web. 27 Feb 2021.
Vancouver:
King LC. Auditory ambience as an information display. [Internet] [Doctoral dissertation]. Georgia Tech; 1994. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/1853/28829.
Council of Science Editors:
King LC. Auditory ambience as an information display. [Doctoral Dissertation]. Georgia Tech; 1994. Available from: http://hdl.handle.net/1853/28829
McGill University
6.
Turgeon, Martine.
The influence of log-frequency parallel gliding upon perceptual fusion.
Degree: MS, Department of Psychology, 1994, McGill University
URL: https://escholarship.mcgill.ca/downloads/xs55md875.pdf
;
https://escholarship.mcgill.ca/concern/theses/9880vs916
► It is generally recognized that simple harmonic ratios among partials promote their perceptual fusion. However, the influence of parallel gliding in log frequency upon fusion…
(more)
▼ It is generally recognized that simple harmonic ratios among partials promote their perceptual fusion. However, the influence of parallel gliding in log frequency upon fusion is not understood. The present experiment investigated fusion in relation to different types of parallel and non-parallel log-frequency motion of three concurrent tonal glides. The main hypothesis was that parallel motion on log-frequency-by-time coordinates favors fusion. It was reasoned that a higher degree of fusion of the glides evokes fewer auditory images. Fusion was thus measured by asking eighteen subjects to rate the number of distinct sounds perceived in various gliding stimuli. On test trials, subjects received a pair of stimuli in succession and had to judge which one contained more sounds and to rate the size of the difference on a 7-point scale. Each stimulus was a complex of three sinusoidal tones, gliding in frequency. Each 1400-ms three-glide complex was either increasing or decreasing in frequency, and the spacing among its components was either small, medium or large. The stimuli were aligned in one of five ways: (1) harmonically related, parallel, and therefore unequally spaced in log frequency, (2) inharmonic, parallel, and equally spaced in log frequency, (3) inharmonic, parallel, and unequally spaced in log frequency, (4) non-parallel and diverging in log frequency, and (5) non-parallel and converging in log frequency. Results showed that more sources were perceived under the three parallel conditions than under the two non-parallel ones (p < 0.00001). Moreover, as the spacing between gliding partials increased, more distinct sounds were heard (p < 0.00001). These results suggest that both spectral spacing and non-parallel log-frequency motion segregate concurrent glides. A multiple regression analysis showed that parallel log-frequency gliding promotes fusion over and above the contribution of average spectral spacing and harmonicity (p <.0001). The observed dat
Advisors/Committee Members: Bregman, S. (Supervisor).
Subjects/Keywords: Auditory perception.; Psychoacoustics.
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APA (6th Edition):
Turgeon, M. (1994). The influence of log-frequency parallel gliding upon perceptual fusion. (Masters Thesis). McGill University. Retrieved from https://escholarship.mcgill.ca/downloads/xs55md875.pdf ; https://escholarship.mcgill.ca/concern/theses/9880vs916
Chicago Manual of Style (16th Edition):
Turgeon, Martine. “The influence of log-frequency parallel gliding upon perceptual fusion.” 1994. Masters Thesis, McGill University. Accessed February 27, 2021.
https://escholarship.mcgill.ca/downloads/xs55md875.pdf ; https://escholarship.mcgill.ca/concern/theses/9880vs916.
MLA Handbook (7th Edition):
Turgeon, Martine. “The influence of log-frequency parallel gliding upon perceptual fusion.” 1994. Web. 27 Feb 2021.
Vancouver:
Turgeon M. The influence of log-frequency parallel gliding upon perceptual fusion. [Internet] [Masters thesis]. McGill University; 1994. [cited 2021 Feb 27].
Available from: https://escholarship.mcgill.ca/downloads/xs55md875.pdf ; https://escholarship.mcgill.ca/concern/theses/9880vs916.
Council of Science Editors:
Turgeon M. The influence of log-frequency parallel gliding upon perceptual fusion. [Masters Thesis]. McGill University; 1994. Available from: https://escholarship.mcgill.ca/downloads/xs55md875.pdf ; https://escholarship.mcgill.ca/concern/theses/9880vs916
Michigan State University
7.
Lin, Jian-Yu.
Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth.
Degree: PhD, Department of Physics and Astronomy, 1996, Michigan State University
URL: http://etd.lib.msu.edu/islandora/object/etd:29758
Subjects/Keywords: Psychoacoustics; Auditory perception
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APA (6th Edition):
Lin, J. (1996). Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:29758
Chicago Manual of Style (16th Edition):
Lin, Jian-Yu. “Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth.” 1996. Doctoral Dissertation, Michigan State University. Accessed February 27, 2021.
http://etd.lib.msu.edu/islandora/object/etd:29758.
MLA Handbook (7th Edition):
Lin, Jian-Yu. “Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth.” 1996. Web. 27 Feb 2021.
Vancouver:
Lin J. Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth. [Internet] [Doctoral dissertation]. Michigan State University; 1996. [cited 2021 Feb 27].
Available from: http://etd.lib.msu.edu/islandora/object/etd:29758.
Council of Science Editors:
Lin J. Psychoacoustical theory and experiments on human auditory organization of complex sounds and the critical bandwidth. [Doctoral Dissertation]. Michigan State University; 1996. Available from: http://etd.lib.msu.edu/islandora/object/etd:29758
Temple University
8.
Strohman, Gregory.
Psychoacoustic Entropy Theory and Its Implications for Performance Practice.
Degree: 2014, Temple University
URL: http://digital.library.temple.edu/u?/p245801coll10,281332
► Music Performance
D.M.A.
This dissertation attempts to motivate, derive and imply potential uses for a generalized perceptual theory of musical harmony called psychoacoustic entropy theory.…
(more)
▼ Music Performance
D.M.A.
This dissertation attempts to motivate, derive and imply potential uses for a generalized perceptual theory of musical harmony called psychoacoustic entropy theory. This theory treats the human auditory system as a physical system which takes acoustic measurements. As a result, the human auditory system is subject to all the appropriate uncertainties and limitations of other physical measurement systems. This is the theoretic basis for defining psychoacoustic entropy. Psychoacoustic entropy is a numerical quantity which indexes the degree to which the human auditory system perceives instantaneous disorder within a sound pressure wave. Chapter one explains the importance of harmonic analysis as a tool for performance practice. It also outlines the critical limitations for many of the most influential historical approaches to modeling harmonic stability, particularly when compared to available scientific research in psychoacoustics. Rather than analyze a musical excerpt, psychoacoustic entropy is calculated directly from sound pressure waves themselves. This frames psychoacoustic entropy theory in the most general possible terms as a theory of musical harmony, enabling it to be invoked for any perceivable sound. Chapter two provides and examines many widely accepted mathematical models of the acoustics and psychoacoustics of these sound pressure waves. Chapter three introduces entropy as a precise way of measuring perceived uncertainty in sound pressure waves. Entropy is used, in combination with the acoustic and psychoacoustic models introduced in chapter two, to motivate the mathematical formulation of psychoacoustic entropy theory. Chapter four shows how to use psychoacoustic entropy theory to analyze the certain types of musical harmonies, while chapter five applies the analytical tools developed in chapter four to two short musical excerpts to influence their interpretation. Almost every form of harmonic analysis invokes some degree of mathematical reasoning. However, the limited scope of most harmonic systems used for Western common practice music greatly simplifies the necessary level of mathematical detail. Psychoacoustic entropy theory requires a greater deal of mathematical complexity due to its sheer scope as a generalized theory of musical harmony. Fortunately, under specific assumptions the theory can take on vastly simpler forms. Psychoacoustic entropy theory appears to be highly compatible with the latest scientific research in psychoacoustics. However, the theory itself should be regarded as a hypothesis and this dissertation an experiment in progress. The evaluation of psychoacoustic entropy theory as a scientific theory of human sonic perception must wait for more rigorous future research.
Temple University – Theses
Advisors/Committee Members: Wright, Maurice;, Lakaemper, Rolf, Threinen, Emily, Abramovic, Charles;.
Subjects/Keywords: Music; Acoustics;
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Strohman, G. (2014). Psychoacoustic Entropy Theory and Its Implications for Performance Practice. (Thesis). Temple University. Retrieved from http://digital.library.temple.edu/u?/p245801coll10,281332
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Strohman, Gregory. “Psychoacoustic Entropy Theory and Its Implications for Performance Practice.” 2014. Thesis, Temple University. Accessed February 27, 2021.
http://digital.library.temple.edu/u?/p245801coll10,281332.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Strohman, Gregory. “Psychoacoustic Entropy Theory and Its Implications for Performance Practice.” 2014. Web. 27 Feb 2021.
Vancouver:
Strohman G. Psychoacoustic Entropy Theory and Its Implications for Performance Practice. [Internet] [Thesis]. Temple University; 2014. [cited 2021 Feb 27].
Available from: http://digital.library.temple.edu/u?/p245801coll10,281332.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Strohman G. Psychoacoustic Entropy Theory and Its Implications for Performance Practice. [Thesis]. Temple University; 2014. Available from: http://digital.library.temple.edu/u?/p245801coll10,281332
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Temple University
9.
Strohman, Gregory.
Recordings.zip.
Degree: 2014, Temple University
URL: http://digital.library.temple.edu/u?/p245801coll10,281333
► Music Performance
D.M.A.
This dissertation attempts to motivate, derive and imply potential uses for a generalized perceptual theory of musical harmony called psychoacoustic entropy theory.…
(more)
▼ Music Performance
D.M.A.
This dissertation attempts to motivate, derive and imply potential uses for a generalized perceptual theory of musical harmony called psychoacoustic entropy theory. This theory treats the human auditory system as a physical system which takes acoustic measurements. As a result, the human auditory system is subject to all the appropriate uncertainties and limitations of other physical measurement systems. This is the theoretic basis for defining psychoacoustic entropy. Psychoacoustic entropy is a numerical quantity which indexes the degree to which the human auditory system perceives instantaneous disorder within a sound pressure wave. Chapter one explains the importance of harmonic analysis as a tool for performance practice. It also outlines the critical limitations for many of the most influential historical approaches to modeling harmonic stability, particularly when compared to available scientific research in psychoacoustics. Rather than analyze a musical excerpt, psychoacoustic entropy is calculated directly from sound pressure waves themselves. This frames psychoacoustic entropy theory in the most general possible terms as a theory of musical harmony, enabling it to be invoked for any perceivable sound. Chapter two provides and examines many widely accepted mathematical models of the acoustics and psychoacoustics of these sound pressure waves. Chapter three introduces entropy as a precise way of measuring perceived uncertainty in sound pressure waves. Entropy is used, in combination with the acoustic and psychoacoustic models introduced in chapter two, to motivate the mathematical formulation of psychoacoustic entropy theory. Chapter four shows how to use psychoacoustic entropy theory to analyze the certain types of musical harmonies, while chapter five applies the analytical tools developed in chapter four to two short musical excerpts to influence their interpretation. Almost every form of harmonic analysis invokes some degree of mathematical reasoning. However, the limited scope of most harmonic systems used for Western common practice music greatly simplifies the necessary level of mathematical detail. Psychoacoustic entropy theory requires a greater deal of mathematical complexity due to its sheer scope as a generalized theory of musical harmony. Fortunately, under specific assumptions the theory can take on vastly simpler forms. Psychoacoustic entropy theory appears to be highly compatible with the latest scientific research in psychoacoustics. However, the theory itself should be regarded as a hypothesis and this dissertation an experiment in progress. The evaluation of psychoacoustic entropy theory as a scientific theory of human sonic perception must wait for more rigorous future research.
Temple University – Theses
Advisors/Committee Members: Wright, Maurice;, Lakaemper, Rolf, Threinen, Emily, Abramovic, Charles;.
Subjects/Keywords: Music; Acoustics;
Record Details
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APA ·
Chicago ·
MLA ·
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CSE |
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Manager
APA (6th Edition):
Strohman, G. (2014). Recordings.zip. (Thesis). Temple University. Retrieved from http://digital.library.temple.edu/u?/p245801coll10,281333
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Strohman, Gregory. “Recordings.zip.” 2014. Thesis, Temple University. Accessed February 27, 2021.
http://digital.library.temple.edu/u?/p245801coll10,281333.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Strohman, Gregory. “Recordings.zip.” 2014. Web. 27 Feb 2021.
Vancouver:
Strohman G. Recordings.zip. [Internet] [Thesis]. Temple University; 2014. [cited 2021 Feb 27].
Available from: http://digital.library.temple.edu/u?/p245801coll10,281333.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Strohman G. Recordings.zip. [Thesis]. Temple University; 2014. Available from: http://digital.library.temple.edu/u?/p245801coll10,281333
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Louisville
10.
Bausch, Timothy Carl.
The spectral atom : cohesion of spectral particles in the music of Alvin Lucier.
Degree: M.M., 2018, University of Louisville
URL: 10.18297/etd/2950
;
https://ir.library.louisville.edu/etd/2950
► Listeners often associate the music of Alvin Lucier with the practice of experimental music due to his unorthodox means of composition. By viewing his…
(more)
▼ Listeners often associate the music of Alvin Lucier with the practice of experimental music due to his unorthodox means of composition. By viewing his work in this way, whether consciously or subconsciously, his music is often treated as aleatoric. This classification ignores the compositional stimulus that fuels the creation of his music. Lucier’s compositions are driven by the exploitation of one facet (or phenomenon) of sound. These sound phenomena take the form of spectral particles: vibrating media, acoustics, and
psychoacoustics. The spectral particles uncovered in his pieces combine to form a spectral atom. By analyzing four of Alvin Lucier’s works,
Twonings,
Silver Streetcar for the Orchestra,
I am Sitting in a Room, and
Still and Moving Lines of Silence in Families of Hyperbolas, I intend to extrapolate their spectral particles. A combination of these spectral particles will inform the spectral atom of the work in question.
Advisors/Committee Members: Jemian, Rebecca, Brody, Christopher, Brody, Christopher, Zahorik, Pavel.
Subjects/Keywords: Lucier; perception; spectral music; acoustics; psychoacoustics; Music Theory
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APA (6th Edition):
Bausch, T. C. (2018). The spectral atom : cohesion of spectral particles in the music of Alvin Lucier. (Masters Thesis). University of Louisville. Retrieved from 10.18297/etd/2950 ; https://ir.library.louisville.edu/etd/2950
Chicago Manual of Style (16th Edition):
Bausch, Timothy Carl. “The spectral atom : cohesion of spectral particles in the music of Alvin Lucier.” 2018. Masters Thesis, University of Louisville. Accessed February 27, 2021.
10.18297/etd/2950 ; https://ir.library.louisville.edu/etd/2950.
MLA Handbook (7th Edition):
Bausch, Timothy Carl. “The spectral atom : cohesion of spectral particles in the music of Alvin Lucier.” 2018. Web. 27 Feb 2021.
Vancouver:
Bausch TC. The spectral atom : cohesion of spectral particles in the music of Alvin Lucier. [Internet] [Masters thesis]. University of Louisville; 2018. [cited 2021 Feb 27].
Available from: 10.18297/etd/2950 ; https://ir.library.louisville.edu/etd/2950.
Council of Science Editors:
Bausch TC. The spectral atom : cohesion of spectral particles in the music of Alvin Lucier. [Masters Thesis]. University of Louisville; 2018. Available from: 10.18297/etd/2950 ; https://ir.library.louisville.edu/etd/2950
KTH
11.
Johansson , Marcus.
An indicative case-control study of noise perception due to environmental noise sources.
Degree: Marcus Wallenberg Laboratory MWL, 2020, KTH
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280546
► The subject of the thesis was proposed by the acoustic consultancy firm Brekke & Strand, which is of relevance for their additional understanding and…
(more)
▼ The subject of the thesis was proposed by the acoustic consultancy firm Brekke & Strand, which is of relevance for their additional understanding and development of services and contribution to robust solutions. The aim with this thesis is to give indicative results and to dig deeper into the relation between environmental noise and the perception of the same, specially focusing on construction related noise but also permanent noise sources that originates from infrastructure. The area of interest to evaluate the study is a central location in Stockholm, specifically around Slussen.The importance of a study within this field is vital, especially when considering possible negative health effects that can be related to the perceived noise exposure. With that background it is worth to consider the amount of healthy-life-years lost in Europe each year, which is assumed to be one million. The correlation between lost life years and noise is one of many, but it is also proven to be a catalyst when it comes to stress related or cardiovascular diseases. For instance, if one is living closer than 50 meters from a major road the risk can be four times higher to be annoyed, which in extension can be coupled to the diseases mentioned above.The practical implementation of the study is conducted with a survey and field measurements, with a psychoacoustical perspective and within the frames of a case-control study. Partially this includes to inform the participants of the study at different stages regarding construction noise. The provided information, survey and field measurements aims to be a substantial part of the evaluation regarding the perceived noise whether it is due to construction work, infrastructure or other stochastic sources.The result is presented and distinguished based on distance to noise source, differentiated by gender as well as which type of source that tends to be most annoying. The implemented ranking is displayed as the ICBEN score of each category or source which aims to measure the perceived impact. Even though the results are indicative, the conclusion yields an information dependency as well as a noise source dependency. Further on, the result yields an interesting pattern between genders where women tend to be more disturbed by construction- and other-noise, whereas men tend to be more disturbed by rail- and road-noise.
Ämnet för uppsatsen föreslogs av akustiskkonsultföretaget Brekke & Strand, vilket är av relevans för deras ytterligare förståelse och utveckling av tjänster och bidrag till robusta lösningar. Syftet är att ge vägledande resultat och gräva djupare i förhållandet mellan samhällsbuller och uppfattningen av detsamma, med särskilt fokus på konstruktionsrelaterat buller men också permanenta bullerkällor som härstammar från infrastruktur. Studien och utvärderingen av den samma har fokuserats till Slussenområdet i centrala Stockholm.Betydelsen av en studie inom detta område är avgörande, särskilt när man överväger eventuella negativa hälsoeffekter som kan relateras till…
Subjects/Keywords: Noise perception; Psychoacoustics; Environmental noise; Bullerpåverkan; Psykoakustik; Samhällsbuller; Vehicle Engineering; Farkostteknik
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APA ·
Chicago ·
MLA ·
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Export
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APA (6th Edition):
Johansson , M. (2020). An indicative case-control study of noise perception due to environmental noise sources. (Thesis). KTH. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280546
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Johansson , Marcus. “An indicative case-control study of noise perception due to environmental noise sources.” 2020. Thesis, KTH. Accessed February 27, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280546.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Johansson , Marcus. “An indicative case-control study of noise perception due to environmental noise sources.” 2020. Web. 27 Feb 2021.
Vancouver:
Johansson M. An indicative case-control study of noise perception due to environmental noise sources. [Internet] [Thesis]. KTH; 2020. [cited 2021 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280546.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Johansson M. An indicative case-control study of noise perception due to environmental noise sources. [Thesis]. KTH; 2020. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280546
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Penn State University
12.
Lawless, Martin Stephen.
Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging.
Degree: 2018, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/15013msl224
► Room acoustics considerably change how a listener perceives music because spaces introduce temporal and spatial cues into the auditory signals that can alter subjective impression.…
(more)
▼ Room acoustics considerably change how a listener perceives music because spaces introduce temporal and spatial cues into the auditory signals that can alter subjective impression. In particular, the reverberation of a room can influence a listener’s overall preference to the musical passage. Reverberation has the potential to affect how the auditory and reward networks in the brain respond to auditory signals, but very little work has studied how room acoustics affects these responses even though much research has examined the effect of music. The overall goal of this doctoral work is to investigate the neural response to room acoustics stimuli using functional magnetic resonance imaging (fMRI). Four studies were conducted with express objectives to: 1) substantiate fMRI as an appropriate tool to examine the reward response to room acoustics, 2) establish a concert hall stimulus set to effectively evoke a reward response, 3) investigate the auditory and reward responses to liked and disliked room acoustic conditions, and 4) further explore the auditory response to coherent and incoherent auditory information presented by room acoustics.
The first experiment, an fMRI pilot study, was first completed with five subjects to ascertain whether a reward response could be detected in the brain due to variations in room acoustic conditions. The individual- and group-level analyses identified that a reward response to preferred concert hall conditions may be significant with the inclusion of more subjects and a set of concert hall stimuli that more readily elicits listener preferences.
The second study, a conventional subjective listening test outside of the MRI scanner with 71 subjects, sought to establish specific musical motifs and room acoustic conditions to improve the stimulus selection process for neuroimaging experiments. Within that objective, the conventional listening study also examined the effect of participant listening expertise on preference to identify suitable candidates for recruitment based on the ability to discriminate between stimuli and the reliability of their preference ratings of reverberant stimuli. A k-means clustering analysis revealed that five groups exhibited starkly different preferences, prompting the selection of individualized stimulus sets for MRI experiments and the recruitment of only expert listeners, defined as musicians.
The third and fourth experiments evaluated the auditory and reward responses to the room acoustics stimuli with fMRI. In the third study, auralizations of each individual’s most liked and most disliked room acoustics conditions as well as anechoic musical motifs were presented to 18 participants in an MRI scanner. The results showed that the left and right primary auditory cortices (PAC) activated more so for clearer, simpler stimuli than for the more reverberant, complex stimuli. Specifically, the superior temporal gyri (STG) and Heschl’s Gyri (HG) exhibited higher activations in the presence of the anechoic musical motifs (no room acoustics effects) than the…
Advisors/Committee Members: Michelle Celine Vigeant, Dissertation Advisor/Co-Advisor, Michelle Celine Vigeant, Committee Chair/Co-Chair, Victor Ward Sparrow, Committee Member, Daniel Allen Russell, Committee Member, Nanyin Zhang, Outside Member, Pamela Marie Cole, Outside Member, Charles Limb, Special Member.
Subjects/Keywords: room acoustics; functional neuroimaging; music; concert hall; reverberation; psychoacoustics
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APA (6th Edition):
Lawless, M. S. (2018). Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/15013msl224
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lawless, Martin Stephen. “Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging.” 2018. Thesis, Penn State University. Accessed February 27, 2021.
https://submit-etda.libraries.psu.edu/catalog/15013msl224.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lawless, Martin Stephen. “Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging.” 2018. Web. 27 Feb 2021.
Vancouver:
Lawless MS. Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging. [Internet] [Thesis]. Penn State University; 2018. [cited 2021 Feb 27].
Available from: https://submit-etda.libraries.psu.edu/catalog/15013msl224.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lawless MS. Assessing the auditory and reward responses to room acoustics and music using functional magnetic resonance imaging. [Thesis]. Penn State University; 2018. Available from: https://submit-etda.libraries.psu.edu/catalog/15013msl224
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of California – Irvine
13.
Bellato, Michael Warren.
Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention.
Degree: Psychology, 2017, University of California – Irvine
URL: http://www.escholarship.org/uc/item/1z5871gn
► The ability to engage in auditory selective attention relies on listeners discriminating between acoustic features that are simultaneously available within a sound and can differ…
(more)
▼ The ability to engage in auditory selective attention relies on listeners discriminating between acoustic features that are simultaneously available within a sound and can differ between auditory objects. Quantifying the qualitative state of these acoustic features has been advanced via COSS analysis. This methodology employs identical stimuli across trials, while directing the listener to attend to one of several acoustic features (e.g. loudness, timbre, or pitch). Weight profiles for loudness and timbre judgments were replicated from previous experiments, while under EEG recordings. While listeners were engaged in making loudness judgments, a characteristic ERP response of the stimulus fundamental frequency (F0) and second harmonic (2F0) was observed. Timbre ERPs displayed a similar response to F0, but a decrease in activity related to 2F0. The dissertation then moves to studying automatic attention. Transition bandwidths are calculated by estimating thresholds at various bandwidths as the number of components in a complex sound is increased at a fixed frequency difference. Thresholds increase with the number of components as the signal to noise ratio is decreased. Eventually a breakpoint is achieved where thresholds decrease as listeners perform profile analysis. This experiment manipulates previous experiments by fixing the phase of each component, instead of randomly sampling each phase independently. Results show a dramatic decrease in threshold estimates associated with profile listening from randomized phase to fixed phase conditions. The physiological basis of this change is investigated on the cortical level. EEG recordings show that F0 power increases with stimulus bandwidth.
Subjects/Keywords: Cognitive psychology; Auditory feature; Automatic attention; Bandwidth; Electroencephalography; Psychoacoustics; Selective attention
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APA (6th Edition):
Bellato, M. W. (2017). Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention. (Thesis). University of California – Irvine. Retrieved from http://www.escholarship.org/uc/item/1z5871gn
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Bellato, Michael Warren. “Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention.” 2017. Thesis, University of California – Irvine. Accessed February 27, 2021.
http://www.escholarship.org/uc/item/1z5871gn.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Bellato, Michael Warren. “Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention.” 2017. Web. 27 Feb 2021.
Vancouver:
Bellato MW. Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention. [Internet] [Thesis]. University of California – Irvine; 2017. [cited 2021 Feb 27].
Available from: http://www.escholarship.org/uc/item/1z5871gn.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Bellato MW. Endogenous Auditory Event-Related Potentials of Feature Selective Attention and the Transition Bandwidths of Automatic Attention. [Thesis]. University of California – Irvine; 2017. Available from: http://www.escholarship.org/uc/item/1z5871gn
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of California – Berkeley
14.
de Heer, Wendy Aileen.
From Sound to Meaning: Representations of Speech in Human Cortex.
Degree: Psychology, 2015, University of California – Berkeley
URL: http://www.escholarship.org/uc/item/3cb9z15w
► This dissertation investigates the cortical representation of speech perception, using a combination of functional Magnetic Resonance Imaging (fMRI) and psychoacoustical experiments.Previous research has shown that…
(more)
▼ This dissertation investigates the cortical representation of speech perception, using a combination of functional Magnetic Resonance Imaging (fMRI) and psychoacoustical experiments.Previous research has shown that low-level acoustical structure, phonemes, and words are processed by distinct cortical areas. However, little is known about the relationship between these different representations. To address this problem we simultaneously mapped many different representations of speech. We recorded fMRI responses from subjects listening to over two hours of natural speech. We then examined three features spaces representing the speech sounds in terms of auditory, articulatory and semantic features. We used voxel-wise modeling for each feature space combined with a novel variance-partitioning method to assess how much response variance could be explained uniquely by each model or jointly between two or three models. Validating our approach, we found that a quarter of the brain was significantly responsive to the stories, and that our models could account for up to 45% of the explainable variance in cortex and over 60% of the explainable variance in auditory areas. We also found a hierarchical set of processing steps starting in primary auditory areas and moving along the posteroventral region of the temporal lobe that are involved in the sound to word meaning transformation. The second part of this dissertation is a psychoacoustical investigation of the modulation power spectrum (MPS) of speech. The MPS is obtained by taking the 2-dimensional Fourier transform of the speech spectrogram. We showed that comprehension of vowels and consonants is differently affected by removal of specific spectral or temporal modulations. Supplementary consonant analysis showed differences in MPS and psychoacoustical comprehension results between three groups of consonants, separated based on the manner in which they are pronounced (fricatives, stops, and sonorants). The MPS could serve as an excellent intermediate step between lower and higher levels of speech processing, and could in future studies add nuance to our previous three cortical models of speech perception.
Subjects/Keywords: Cognitive psychology; Neurosciences; fMRI; natural stimuli; perception; psychoacoustics; regression; speech
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
de Heer, W. A. (2015). From Sound to Meaning: Representations of Speech in Human Cortex. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/3cb9z15w
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
de Heer, Wendy Aileen. “From Sound to Meaning: Representations of Speech in Human Cortex.” 2015. Thesis, University of California – Berkeley. Accessed February 27, 2021.
http://www.escholarship.org/uc/item/3cb9z15w.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
de Heer, Wendy Aileen. “From Sound to Meaning: Representations of Speech in Human Cortex.” 2015. Web. 27 Feb 2021.
Vancouver:
de Heer WA. From Sound to Meaning: Representations of Speech in Human Cortex. [Internet] [Thesis]. University of California – Berkeley; 2015. [cited 2021 Feb 27].
Available from: http://www.escholarship.org/uc/item/3cb9z15w.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
de Heer WA. From Sound to Meaning: Representations of Speech in Human Cortex. [Thesis]. University of California – Berkeley; 2015. Available from: http://www.escholarship.org/uc/item/3cb9z15w
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Colorado
15.
Sherman, Sage.
Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance.
Degree: MS, Aerospace Engineering Sciences, 2019, University of Colorado
URL: https://scholar.colorado.edu/asen_gradetds/250
► This research thesis explores improving auditory perception through the use of stochastic resonance (SR), a phenomenon in which the throughput of non-linear signals is…
(more)
▼ This research thesis explores improving auditory perception through the use of stochastic resonance (SR), a phenomenon in which the throughput of non-linear signals is enhanced using additive noise. While SR has been successfully explored in a variety of perceptual channels (visual, tactile, vestibular), past psychoacoustic experiments have yielded conflicting results. This study aims to understand how SR can be observed in the auditory system accounting for individual differences. Two studies were carried out to investigate SR within the auditory system. Both studies observed how white noise magnitude influences perception of pure tone stimuli across the frequency spectrum. The Threshold Optimization Study aimed to correlate SR enhancement with a subject’s audiometric threshold, predicting that noise levels equal to the subject’s threshold at a specific frequency tone would yield the highest SR benefit. Ten subjects completed pure tone audiometry with and without noise. Observing auditory thresholds with subthreshold, at-threshold, and suprathreshold additive noise yielded insignificant results. The noise levels tested did not improve or worsen audiometric performance across the board, which led to changes in the experimental methodology, specifically the noise levels that were presented and signal administration. Using those changes a second Protocol Development Study was conducted to replicate the results found in past psychoacoustic studies. The additional study also aimed to observe SR, but expanded the noise spectrum to also find the masking that was not discovered in the first study. Four lab members completed pure tone audiometry with and without the presence of noise over a broad range of noise levels. A qualitative analysis suggests masking existed for frequencies with low thresholds given the noise levels that were tested. For some subjects, SR benefits may have been observed, but for others they did not appear to be present. With these small
subject numbers, this study did not yield conclusive results. A discussion of the results, as well as, further improvements into the experimental methods is given. Applying these lessons learned, more accurate perceptual threshold testing can be conducted within the lab, allowing greater reporting confidence for future studies. The additional study also aimed to observe SR, but expanded the noise spectrum to also find the masking that was not discovered in the first study. Four lab members completed pure tone audiometry with and without the presence of noise over a broad range of noise levels. A qualitative analysis suggests masking existed for frequencies with low thresholds given the noise levels that were tested. For some subjects, SR benefits may have been observed, but for others they did not appear to be present. With these small
subject numbers, this study did not yield conclusive results. A discussion of the results, as well as, further improvements into the experimental methods is given. Applying these lessons learned, more accurate…
Advisors/Committee Members: Allison P. Anderson, Torin K. Clark, Kathryn H. Arehart.
Subjects/Keywords: auditory thresholds; perception thresholds; psychoacoustics; Aerospace Engineering; Speech Pathology and Audiology
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Sherman, S. (2019). Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance. (Masters Thesis). University of Colorado. Retrieved from https://scholar.colorado.edu/asen_gradetds/250
Chicago Manual of Style (16th Edition):
Sherman, Sage. “Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance.” 2019. Masters Thesis, University of Colorado. Accessed February 27, 2021.
https://scholar.colorado.edu/asen_gradetds/250.
MLA Handbook (7th Edition):
Sherman, Sage. “Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance.” 2019. Web. 27 Feb 2021.
Vancouver:
Sherman S. Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance. [Internet] [Masters thesis]. University of Colorado; 2019. [cited 2021 Feb 27].
Available from: https://scholar.colorado.edu/asen_gradetds/250.
Council of Science Editors:
Sherman S. Evaluating Enhanced Auditory Perception Augmentation Via Stochastic Resonance. [Masters Thesis]. University of Colorado; 2019. Available from: https://scholar.colorado.edu/asen_gradetds/250
University College London (University of London)
16.
Harrison, Philip Archibald.
The acquisition of phonology in the first year of life.
Degree: PhD, 1999, University College London (University of London)
URL: https://discovery.ucl.ac.uk/id/eprint/1349888/
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367954
► Any phonological theory needs to encompass an account of acquisition and any account of acquisition must take its place within a general theory of phonology.…
(more)
▼ Any phonological theory needs to encompass an account of acquisition and any account of acquisition must take its place within a general theory of phonology. This thesis aims to ascribe phonological significance to speech perception in infancy, a move impossible unless phonology is defined, as it is here, from both a psycholinguistic and a formal viewpoint as a dedicated pattern-recognition system. Extant results from infant studies are reviewed and aligned with current phonological theory. In particular, such theory characterises phonology as bi-modular, so the acquisition of individual melodic and prosodic modules and their subsequent orientation with respect to one another must constitute three different developmental tasks. This delivers a relatively simple account of the mapping between psychoacoustics and phonology. Perception and pre-existing theories of segmental complexity are related using an original experiment into the perception of vowel-height contrast in Catalan. If infant perception has phonological import, then disparate phonetic reflexes which are predicted as phonologically identical should show parallels in acquisition. General theory argues that the same abstract melodic objects underlie both laryngeal contrasts in stops and lexical tonal contrasts. Earlier studies show that language-specific attunement to stop contrasts has taken place by the age of six months. New tests are now reported, using children of the same age, which demonstrate that infants acquiring Yorùbá, a language which has a three-way contrast for tone, attend more closely to pitch changes within the minimal domain word than do English controls. Further, they only attend to those pitch changes that possess phonological import within that domain in the steady-state language. In this their perception exactly parallels that displayed by adult speakers. Apparent anomalies in the results of these tests are shown to be closely parallelled by phonological asymmetries in the tonology of Yorùbá.
Subjects/Keywords: 150; Infant; Speech perception; Psychoacoustics
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APA ·
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MLA ·
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Harrison, P. A. (1999). The acquisition of phonology in the first year of life. (Doctoral Dissertation). University College London (University of London). Retrieved from https://discovery.ucl.ac.uk/id/eprint/1349888/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367954
Chicago Manual of Style (16th Edition):
Harrison, Philip Archibald. “The acquisition of phonology in the first year of life.” 1999. Doctoral Dissertation, University College London (University of London). Accessed February 27, 2021.
https://discovery.ucl.ac.uk/id/eprint/1349888/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367954.
MLA Handbook (7th Edition):
Harrison, Philip Archibald. “The acquisition of phonology in the first year of life.” 1999. Web. 27 Feb 2021.
Vancouver:
Harrison PA. The acquisition of phonology in the first year of life. [Internet] [Doctoral dissertation]. University College London (University of London); 1999. [cited 2021 Feb 27].
Available from: https://discovery.ucl.ac.uk/id/eprint/1349888/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367954.
Council of Science Editors:
Harrison PA. The acquisition of phonology in the first year of life. [Doctoral Dissertation]. University College London (University of London); 1999. Available from: https://discovery.ucl.ac.uk/id/eprint/1349888/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367954
Luleå University of Technology
17.
Häggman, Anton.
Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments.
Degree: 2010, Luleå University of Technology
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-47672
► This report describes a thesis work performed at Luleå University of Technology in collaboration with Icemakers AB in Arjeplog. The goal of the thesis…
(more)
▼ This report describes a thesis work performed at Luleå University of Technology in collaboration with Icemakers AB in Arjeplog. The goal of the thesis was to investigate if rattle in the vehicle compartment could be quantified with psychoacoustic parameters. Sound has been recorded in the vehicle compartment with an artificial head and analysis of the recordings has been performed in the program ArtemiS. Analysis showed that the psychoacoustic parameter Roughness best describes the rattle in the vehicle compartment produced under these conditions
Validerat; 20101217 (root)
Subjects/Keywords: Technology; NVH; Psychoacoustics; CASTT; Teknik
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APA (6th Edition):
Häggman, A. (2010). Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments. (Thesis). Luleå University of Technology. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-47672
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Häggman, Anton. “Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments.” 2010. Thesis, Luleå University of Technology. Accessed February 27, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-47672.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Häggman, Anton. “Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments.” 2010. Web. 27 Feb 2021.
Vancouver:
Häggman A. Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments. [Internet] [Thesis]. Luleå University of Technology; 2010. [cited 2021 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-47672.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Häggman A. Psychoacoustic quantification of noise, vibration and harshness in vehicle compartments. [Thesis]. Luleå University of Technology; 2010. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-47672
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Hong Kong University of Science and Technology
18.
Lee, Chung.
Discrimination of data-reduced sustained musical instrument tones.
Degree: 2011, Hong Kong University of Science and Technology
URL: http://repository.ust.hk/ir/Record/1783.1-7326
;
https://doi.org/10.14711/thesis-b1155201
;
http://repository.ust.hk/ir/bitstream/1783.1-7326/1/th_redirect.html
► We know that musical instrument tones are recognizable even if they are altered. The current study investigates the perception of musical instrument tones altered by…
(more)
▼ We know that musical instrument tones are recognizable even if they are altered. The current study investigates the perception of musical instrument tones altered by two data reduction methods: MP3 compression and piecewise linear approximation (PLA) of additive synthesis amplitude envelopes. Sustained musical instrument tones were data-reduced using the above methods to determine how the detection of data-reduced tones varies with instrument and the degree of data reduction. Sounds with harmonically-flattened frequencies were compressed by MP3 compression and PLA of amplitude envelopes. Listeners were asked to discriminate the altered sounds from reference sounds resynthesized from the original data. This allowed us to determine which degree of data reduction produces near-perfect, (above 90%), moderate (around 75%), and poor discrimination (around 50-60%). Statistical analysis showed that discrimination was different from instrument to instrument. Discrimination scores were strongly correlated with a number of spectral measurements of the original tone. Objective error metrics including relative spectral error were compared for their correspondence with the discrimination scores. Other than discrimination, multidimensional scaling (MDS) was done to search for salient timbral attributes other than spectral centroid and attack time. In addition to that, in follow-up work we plan to do a study where listeners will be asked to rate the dissimilarity between the MP3-compressed instrument tones. MDS solutions of the compressed instrument sounds and the originals will be compared to determine if MP3 compression causes significant impact on instruments’ relative positions within the timbre space.
Subjects/Keywords: Computer sound processing
; Musical instruments – Sounds – Data processing
; Psychoacoustics
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APA (6th Edition):
Lee, C. (2011). Discrimination of data-reduced sustained musical instrument tones. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-7326 ; https://doi.org/10.14711/thesis-b1155201 ; http://repository.ust.hk/ir/bitstream/1783.1-7326/1/th_redirect.html
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lee, Chung. “Discrimination of data-reduced sustained musical instrument tones.” 2011. Thesis, Hong Kong University of Science and Technology. Accessed February 27, 2021.
http://repository.ust.hk/ir/Record/1783.1-7326 ; https://doi.org/10.14711/thesis-b1155201 ; http://repository.ust.hk/ir/bitstream/1783.1-7326/1/th_redirect.html.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lee, Chung. “Discrimination of data-reduced sustained musical instrument tones.” 2011. Web. 27 Feb 2021.
Vancouver:
Lee C. Discrimination of data-reduced sustained musical instrument tones. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2011. [cited 2021 Feb 27].
Available from: http://repository.ust.hk/ir/Record/1783.1-7326 ; https://doi.org/10.14711/thesis-b1155201 ; http://repository.ust.hk/ir/bitstream/1783.1-7326/1/th_redirect.html.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lee C. Discrimination of data-reduced sustained musical instrument tones. [Thesis]. Hong Kong University of Science and Technology; 2011. Available from: http://repository.ust.hk/ir/Record/1783.1-7326 ; https://doi.org/10.14711/thesis-b1155201 ; http://repository.ust.hk/ir/bitstream/1783.1-7326/1/th_redirect.html
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
19.
Gidla, Vijay Kiran.
IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION.
Degree: 2016, , Department of Applied Signal Processing
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11646
► Blind people use echoes to detect objects and to find their way, the ability being known as human echolocation. Previous research have found some…
(more)
▼ Blind people use echoes to detect objects and to find their way, the ability being known as human echolocation. Previous research have found some of the favorable conditions for the detection of the object, with many factors yet to be analyzed and quantified. Studies have also shown that blind people are more efficient than the sighted in echolocating, with the performance varying among the individuals. This motivated the research in human echolocation to move in a new direction to get a fuller understanding for the high detection of the blind. The psychoacoustic experiments solely cannot determine how the superior echo detection of the blind listeners should be attributed to perceptual or physiological causes. Along with the perceptual results it is vital to know how the sounds are processed in the auditory system. Hearing research has led to the development of several auditory models by combining the physiological and psychological results with signal analysis methods. These models try to describe how the auditory system processes the signals. Hence, to analyze how the sounds are processed for the high detection of the blind, auditory models available in the literature were used in this thesis. The results suggest that repetition pitch is useful at shorter distances and is determined from the peaks in the temporal profile of the autocorrelation function computed on the neural activity pattern. Loudness attribute also plays a role in providing information for the listeners to echolocate at shorter distances. At longer distances timbre aspects such as sharpness information might be used by the listeners to detect the objects. It was also found that the repetition pitch, loudness and sharpness attributes in turn depend on the room acoustics and type of the stimuli used. These results show the fruitfulness of combining results from different disciplines through a mathematical framework given by signal analysis.
Subjects/Keywords: Human echolocation; Psychoacoustics; Physiology; Signal analysis; Auditory models.
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APA (6th Edition):
Gidla, V. K. (2016). IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION. (Thesis). , Department of Applied Signal Processing. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11646
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Gidla, Vijay Kiran. “IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION.” 2016. Thesis, , Department of Applied Signal Processing. Accessed February 27, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11646.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Gidla, Vijay Kiran. “IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION.” 2016. Web. 27 Feb 2021.
Vancouver:
Gidla VK. IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION. [Internet] [Thesis]. , Department of Applied Signal Processing; 2016. [cited 2021 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11646.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Gidla VK. IMPLEMENTATION AND EVALUATION OF AUDITORY MODELS FOR HUMAN ECHOLOCATION. [Thesis]. , Department of Applied Signal Processing; 2016. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11646
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
20.
Hansson, Karl.
Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments.
Degree: 2019, , Department of Software Engineering
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18251
► Background. 3D sound propagation is important for immersion and realism in interactive and dynamic virtual environments. However, this is difficult to model in a…
(more)
▼ Background. 3D sound propagation is important for immersion and realism in interactive and dynamic virtual environments. However, this is difficult to model in a physically accurate manner under real-time constraints. Computer graphics techniques are used in acoustics research to increase performance, yet there is little utilization of the especially efficient rasterization techniques, possibly due to concerns of physical accuracy. Fortunately, psychoacoustics have shown that perceived realism does not equate physical accuracy. This indicates that perceptually realistic and high-performance 3D sound propagation may be achievable with rasterization techniques. Objectives. This thesis investigates whether 3D sound propagation can be modelled with high performance and perceived realism using rasterization-based techniques. Methods. A rasterization-based solution for 3D sound propagation is implemented. Its perceived realism is measured using psychoacoustic evaluations. Its performance is analyzed through computation time measurements with varying sound source and triangle count, and theoretical calculations of memory consumption. The performance and perceived realism of the rasterization-based solution is compared with an existing solution. Results. The rasterization-based solution shows both higher performance and perceived realism than the existing solution. Conclusions. 3D sound propagation can be modelled with high performance and perceived realism using rasterization-based techniques. Thus, rasterized 3D sound propagation may provide efficient, low-cost, perceptually realistic 3D audio for areas where immersion and perceptual realism are important, such as video games, serious games, live entertainment events, architectural design, art production and training simulations.
Bakgrund. 3D-ljudpropagering är viktig för inlevelse och realism i interaktiva och dynamiska virtuella miljöer. Dock är detta svårt att modellera på fysiskt träffsäkert sätt med realtidsbegränsningar. Tekniker inom datorgrafik används inom akustikforskning för att öka prestanda, ändock används knappt de synnerligen effektiva rasteriseringsteknikerna, möjligtvis på grund av osäkerhet kring fysisk träffsäkerhet. Lyckligtvis har psykoakustiken visat att uppfattad realism inte är detsamma som fysisk träffsäkerhet. Detta är en indikation på att högpresterande och perceptuellt realistisk 3D-ljudpropagering kan åstadkommas med rasteriseringstekniker. Syfte. Denna avhandling undersöker huruvida 3D-ljudpropagering kan modelleras med hög prestanda och perceptuell realism med rasteriseringstekniker. Metod. En rasteriseringsbaserad lösning för 3D-ljudpropagering implementeras. Dess perceptuella realism mäts genom psykoakustiska utvärderingar. Dess prestanda analyseras genom körtidsmätningar vid varierande antal ljudkällor och trianglar, och teoretiska uträkningar över…
Subjects/Keywords: psychoacoustics; rasterization; hardware-acceleration; psykoakustik; rasterisering; hårdvaruacceleration; Media Engineering; Mediateknik
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APA ·
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APA (6th Edition):
Hansson, K. (2019). Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments. (Thesis). , Department of Software Engineering. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18251
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hansson, Karl. “Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments.” 2019. Thesis, , Department of Software Engineering. Accessed February 27, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18251.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hansson, Karl. “Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments.” 2019. Web. 27 Feb 2021.
Vancouver:
Hansson K. Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments. [Internet] [Thesis]. , Department of Software Engineering; 2019. [cited 2021 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18251.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hansson K. Performance and Perceived Realism in Rasterized 3D Sound Propagation for Interactive Virtual Environments. [Thesis]. , Department of Software Engineering; 2019. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18251
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Michigan State University
21.
Shore, Aimee Elizabeth.
Perceptual squelch of room effect in listening to speech.
Degree: 2018, Michigan State University
URL: http://etd.lib.msu.edu/islandora/object/etd:19610
► Thesis Ph. D. Michigan State University. Physics 2018
Squelch is an effect in which the human auditory system is said to suppress room effects such…
(more)
▼ Thesis Ph. D. Michigan State University. Physics 2018
Squelch is an effect in which the human auditory system is said to suppress room effects such as reverberation and coloration. Of particular interest is the squelch of room effects in everyday listening conditions: a listener listening to conversational speech in an ordinary room, with the talker and listener separated by a few meters. Traditionally, squelch has been considered a binaural effect- that is, attributable to the ears receiving somewhat different acoustical signals that lead to interaural timing and level differences. Few experiments have been done that attempt to further elucidate the mechanism or mechanisms underlying squelch. A major obstruction to studying squelch is that it is a subjective effect, and as such it is difficult to quantify in absolute terms.Three pilot experiments (PE1-PE3) were conducted to investigate squelch under everyday listening conditions. In these experiments, parameters thought to affect squelch were varied, sometimes in a multidimensional way, in a series of real room recordings. Listenersreported their perceptions of room effects after listening to the recordings over headphones, either via questionnaire (PE1) or rank-ordering (PE2,PE3). Parameters found to affect perceptions included distance between sound source ("talker") and recording microphones ("listener"), sound presentation level, presence of a spectral tilt, and binaurality. Interestingly, differences in experimental methodology apparently influenced listeners' experiences. Some listeners' responses were consistent with anti-squelch in PE1, but were consistent with binaural squelch in the other pilot experiments. Collectively, results of the pilot experiments suggested that squelch is not a purely binaural effect.It was hypothesized that the head related transfer function (HRTF) plays a role in squelch- specifcally, that a listener's own HRTF leads to the least amount of room effect being perceived, relative to "other" HRTFs. Two experiments were conducted to investigatethe effect of HRTF on listeners' perceptions of room effect. Both used the binaural synthesis technique to deliver psychoacoustically-accurate stimuli to listeners. The first experiment presented stimuli to listeners over headphones. Variations could be multidimensional. The experiment revealed significant effects of source distance and binaurality for all listeners. The second experiment utilized probe microphone recordings in the ear canals to present stimuli over loudspeakers. Results indicate a statistically signicant effect of at least some HRTFs on listeners' perceptions of room effect.
Description based on online resource;
Advisors/Committee Members: Hartmann, William M, Birge, Norman, McAuley, Devin, Mittig, Wolfgang, Rakerd, Brad.
Subjects/Keywords: Auditory perception; Speech perception; Hearing – Physiological aspects; Psychoacoustics; Acoustics; Physics
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APA ·
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APA (6th Edition):
Shore, A. E. (2018). Perceptual squelch of room effect in listening to speech. (Thesis). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:19610
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Shore, Aimee Elizabeth. “Perceptual squelch of room effect in listening to speech.” 2018. Thesis, Michigan State University. Accessed February 27, 2021.
http://etd.lib.msu.edu/islandora/object/etd:19610.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Shore, Aimee Elizabeth. “Perceptual squelch of room effect in listening to speech.” 2018. Web. 27 Feb 2021.
Vancouver:
Shore AE. Perceptual squelch of room effect in listening to speech. [Internet] [Thesis]. Michigan State University; 2018. [cited 2021 Feb 27].
Available from: http://etd.lib.msu.edu/islandora/object/etd:19610.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Shore AE. Perceptual squelch of room effect in listening to speech. [Thesis]. Michigan State University; 2018. Available from: http://etd.lib.msu.edu/islandora/object/etd:19610
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Georgia Tech
22.
Gerth, Jeffrey M.
Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources.
Degree: PhD, Psychology, 1992, Georgia Tech
URL: http://hdl.handle.net/1853/30253
Subjects/Keywords: Human information processing; Psychoacoustics; Neuropsychology
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APA ·
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Export
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APA (6th Edition):
Gerth, J. M. (1992). Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/30253
Chicago Manual of Style (16th Edition):
Gerth, Jeffrey M. “Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources.” 1992. Doctoral Dissertation, Georgia Tech. Accessed February 27, 2021.
http://hdl.handle.net/1853/30253.
MLA Handbook (7th Edition):
Gerth, Jeffrey M. “Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources.” 1992. Web. 27 Feb 2021.
Vancouver:
Gerth JM. Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources. [Internet] [Doctoral dissertation]. Georgia Tech; 1992. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/1853/30253.
Council of Science Editors:
Gerth JM. Performance based refinement of a synthetic auditory ambience :
identifying and discriminating auditory sources. [Doctoral Dissertation]. Georgia Tech; 1992. Available from: http://hdl.handle.net/1853/30253
23.
Stobbart, Mark.
An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings.
Degree: MMus, Music, 2017, Stellenbosch University
URL: http://hdl.handle.net/10019.1/100955
► ENGLISH ABSTRACT: New international broadcasting legislation and the implementation thereof by online platforms such as YouTube and online music retailers such as iTunes, are bringing…
(more)
▼ ENGLISH ABSTRACT: New international broadcasting legislation and the implementation thereof by
online platforms such as YouTube and online music retailers such as iTunes, are
bringing an end to the over-compressed music that has become the norm over recent
years. Whilst these new loudness standards are advancing recording quality
by allowing for a wider dynamic range, it may also have unintended consequences
with regard to audio levels that listeners are exposed to in certain listening environments.
The hypothesis of this study was that recordings with a wide dynamic range
might be listened to at damaging levels to compensate for the low end of the dynamic
spectrum being masked by environmental noise. For example, when listening
to music inside a moving passenger car. Experiments were performed to measure
the level preferences of drivers in a passenger vehicle to ascertain whether
music with a wider dynamic range is listened to at higher levels, compensating
for the masked e ect at the lower end of the dynamic spectrum. If individuals are
listening to dynamic music at a higher average level than compressed music, they
are potentially at risk of hearing damage at the high end of the dynamic spectrum.
The results re ect that listeners do not listen to more dynamic music at higher
levels than compressed music and it was concluded that the new broadcast loudness
standards can also be implemented on material intended for playback in less
than optimum listening environments.
AFRIKAANSE OPSOMMING: Nuwe internasionalewetgewing in televisie- en radio-uitsending en die implementering
daarvan deur aanlyn platforms soos YouTube en aanlyn musiekhandelaars
soos iTunes is besig om ’n einde te bring aan die dinamies-saamgepersde musiek
wat die norm geword het oor die laaste dekade. Alhoewel hierdie nuwe luidheidstandaarde
opname-kwaliteit bevoordeel deur ’n groter dinamiese reik toe te laat,
mag dit ook onvoorsiene implikasies hê ten opsigte van die klankdrukvlakke waaraan
luisteraars blootgestel word in sekere luisteromgewings.
Die hipotese van hierdie studie was dat opnames met ’n wye dinamiese spektrum
geluister mag word teen ’n hoë volume om te vergoed vir die onderste deel
van die dinamiese spektrum wat gemasker word deur omgewingsgeraas soos as
daar na musiek geluister word in ’n bewegende voertuig. Eksperimente is gedoen
om die klankvlakvoorkeure van luisteraars in passasiersmotors te meet om te bepaal
of musiek met ’n groter dinamiese reik teen hoër klankvlakke beluister word.
As daar na meer dinamiese musiek geluister word teen hoër vlakke as saamgepersde
musiek bestaan die gevaar dat gehoorskade veroorsaak kan word deur die
boonste deel van die dinamiese spektrum.
Daar is bevind dat luisteraars verkies om nie na meer dinamiese musiek teen
hoër klankvlakke luister nie. Die gevolgtrekking is dat die nuwe uitsendingluidheidstandaarde
ook aangewend kan word in die produksie van materiaal wat gemik
is op nie-optimale terugluisteromgewings.
Advisors/Committee Members: Roux, Gerhard, Stellenbosch University. Faculty of Arts and Social Sciences. Dept. of Music..
Subjects/Keywords: Psychoacoustics; Broadcast data systems
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APA ·
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APA (6th Edition):
Stobbart, M. (2017). An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings. (Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/100955
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Stobbart, Mark. “An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings.” 2017. Thesis, Stellenbosch University. Accessed February 27, 2021.
http://hdl.handle.net/10019.1/100955.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Stobbart, Mark. “An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings.” 2017. Web. 27 Feb 2021.
Vancouver:
Stobbart M. An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings. [Internet] [Thesis]. Stellenbosch University; 2017. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/10019.1/100955.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Stobbart M. An investigation into passenger car drivers' preferences in loudness between dynamic and compressed musical recordings. [Thesis]. Stellenbosch University; 2017. Available from: http://hdl.handle.net/10019.1/100955
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Macquarie University
24.
Weller, Tobias.
Assessing spatial hearing using laboratory-based real-world environments.
Degree: 2016, Macquarie University
URL: http://hdl.handle.net/1959.14/1089482
► Empirical thesis.
"A thesis submitted in fulfillment of the requirements for the degree of Doctor of Philosophy at the Department of Linguistics, Faculty of Human…
(more)
▼ Empirical thesis.
"A thesis submitted in fulfillment of the requirements for the degree of Doctor of Philosophy at the Department of Linguistics, Faculty of Human Sciences & National Acoustic Laboratories" – title page.
Bibliography: pages 109-117.
1. Introduction – 2. Auditory masking of speech in reverberant multi-talker environments – 3. The effect of sensorineural hearing loss on auditory masking of speech in reverberant multi-talker environments – 4. The effect of spatial uncertainty on speech detection in a reverberant multi-talker environment – 5. Multi-talker localization in reverberant environments of varying complexity – 6. Conclusions – A. Frequency dependent regularization of a mixed-order Ambisonicsencoding system using psychoacoustically motivated metrics – B. Validation of the loudspeaker-based room auralization system (LoRA)
Spatial hearing is a crucial aspect of the way we perceive our environment. It helps us to orientate ourselves within an acoustic scene, follow a conversation in a noisy background, avoid potential dangers or simply enjoy the aesthetics of sound, e.g. in music. Hearing impaired listeners often report diffculties with spatial hearing, and current hearing devices frequently do not improve those deficits but rather disturb the cues that the auditory system uses to extract spatial information from the sound reaching our ears. To adequately predict the effect of digital hearing devices on the spatial perception of sound, tests are needed that reliably reproduce acoustic environments that listeners encounter in their daily life. This thesis investigated some of the challenges that are met when spatial hearing is assessed in laboratory-based environments which aim to recreate such realistic scenarios.
The first three studies investigated the factors affecting audibility in a reverberant multitalker background. First, masked thresholds for the detection of a short speech stimulus were measured in normal hearing (NH) and hearing impaired (HI) listeners. Then, the effect of uncertainty about the location of the target sound source on those thresholds was examined. The results showed that audibility in the analyzed environment depended heavily on the location of the target source. Moreover, masked thresholds were generally higher in the HI group and varied less over target location than in the NH group. An analysis with an auditory detection model applied to predict the measured data suggested that this behavior is linked to the dominance of high frequency components of the target signal and their interaction with the head shadow, reverberation and hearing loss.The effect of spatial uncertainty on audibility was found to be negligible. In the fourth study, a new method to assess spatial hearing in complex environments was presented. Instead of single-source localization, the task in this study was the identification and localization of multiple concurrent talkers in a simulated reverberant environment. The results suggested that the applied method provided a…
Advisors/Committee Members: Macquarie University. Department of Linguistics, National Acoustic Laboratories (Australia).
Subjects/Keywords: Auditory perception – Testing; Space perception; psychoacoustics; localization; detection; auditory modeling
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APA (6th Edition):
Weller, T. (2016). Assessing spatial hearing using laboratory-based real-world environments. (Doctoral Dissertation). Macquarie University. Retrieved from http://hdl.handle.net/1959.14/1089482
Chicago Manual of Style (16th Edition):
Weller, Tobias. “Assessing spatial hearing using laboratory-based real-world environments.” 2016. Doctoral Dissertation, Macquarie University. Accessed February 27, 2021.
http://hdl.handle.net/1959.14/1089482.
MLA Handbook (7th Edition):
Weller, Tobias. “Assessing spatial hearing using laboratory-based real-world environments.” 2016. Web. 27 Feb 2021.
Vancouver:
Weller T. Assessing spatial hearing using laboratory-based real-world environments. [Internet] [Doctoral dissertation]. Macquarie University; 2016. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/1959.14/1089482.
Council of Science Editors:
Weller T. Assessing spatial hearing using laboratory-based real-world environments. [Doctoral Dissertation]. Macquarie University; 2016. Available from: http://hdl.handle.net/1959.14/1089482
Virginia Tech
25.
Allen, Matthew Paul.
Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies.
Degree: MS, Mechanical Engineering, 2012, Virginia Tech
URL: http://hdl.handle.net/10919/32122
► Community noise impact is an important factor in design of current generation aircraft, especially when considering projected trends in flight volume and urbanization. Simulation is…
(more)
▼ Community noise impact is an important factor in design of current generation aircraft, especially when considering projected trends in flight volume and urbanization. Simulation is a useful tool to evaluate the human annoyance response due to both current and proposed aircraft, and it has some advantages over field studies or playback of recordings. However, current simulation methods which are based on time-averaged prediction methods do not include short term fluctuations observed in recordings of real aircraft engines. Those fluctuations in both tonal and broadband sources provide psychoacoustic clues to listeners when evaluating flyover noise realism. When those short-term fluctuations are not included, simulation realism may suffer and evaluation results might not be applicable to real aircraft.
This thesis presents work to analyze and model fluctuations in aircraft engine fan noise, using an existing set of static turbofan engine recordings. The inclusion of the observed fluctuations, which are unaccounted for in many current prediction and simulation routines, was expected to increase the perceived realism of simulated flyover events. The analysis of tonal fluctuations was performed by utilizing the complex-valued analytic signal to extract instantaneous amplitude and frequency. A simple parametric model was developed to represent each measured fluctuation using its spectral bandwidth and variance. The model was then used to generate new fluctuations which were perceptually similar to the original. Tonal synthesis was performed as the sum of many amplitude- and frequency-modulated tones. Analysis was also performed on the broadband fan noise component, which used output from the Short-Time Fourier Transform was used to characterize fluctuations in third-octave band SPL. Those fluctuations were not modeled as in the case of tonal fluctuations and were directly reproduced using an overlap-add synthesis tool.
A subjective listening test was then conducted to evaluate the perceptual similarity between synthesized and recorded fan noise. That test concluded that synthesized tonal noise which included short-term fluctuations was perceived as more realistic than noise without. It also concluded that the addition of broadband fan noise components tended to mask tonal fluctuations.
Advisors/Committee Members: Burdisso, Ricardo A. (committeechair), Rizzi, Stephen A. (committee member), Fuller, Christopher R. (committee member).
Subjects/Keywords: Psychoacoustics; Broadband Synthesis; Tonal Synthesis; Complex Analysis; Turbofan Noise
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APA (6th Edition):
Allen, M. P. (2012). Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/32122
Chicago Manual of Style (16th Edition):
Allen, Matthew Paul. “Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies.” 2012. Masters Thesis, Virginia Tech. Accessed February 27, 2021.
http://hdl.handle.net/10919/32122.
MLA Handbook (7th Edition):
Allen, Matthew Paul. “Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies.” 2012. Web. 27 Feb 2021.
Vancouver:
Allen MP. Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies. [Internet] [Masters thesis]. Virginia Tech; 2012. [cited 2021 Feb 27].
Available from: http://hdl.handle.net/10919/32122.
Council of Science Editors:
Allen MP. Analysis and Synthesis of Aicraft Engine Fan Noise for Use in Psychoacoustic Studies. [Masters Thesis]. Virginia Tech; 2012. Available from: http://hdl.handle.net/10919/32122
University of Montana
26.
Fugleberg, Ruth A.
Temporal Integration of Auditory Signals for Various Binaural Phase Conditions.
Degree: MCSD, 1985, University of Montana
URL: https://scholarworks.umt.edu/etd/9307
Subjects/Keywords: Psychoacoustics Research.; Audiometry Research.
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APA (6th Edition):
Fugleberg, R. A. (1985). Temporal Integration of Auditory Signals for Various Binaural Phase Conditions. (Thesis). University of Montana. Retrieved from https://scholarworks.umt.edu/etd/9307
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Fugleberg, Ruth A. “Temporal Integration of Auditory Signals for Various Binaural Phase Conditions.” 1985. Thesis, University of Montana. Accessed February 27, 2021.
https://scholarworks.umt.edu/etd/9307.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Fugleberg, Ruth A. “Temporal Integration of Auditory Signals for Various Binaural Phase Conditions.” 1985. Web. 27 Feb 2021.
Vancouver:
Fugleberg RA. Temporal Integration of Auditory Signals for Various Binaural Phase Conditions. [Internet] [Thesis]. University of Montana; 1985. [cited 2021 Feb 27].
Available from: https://scholarworks.umt.edu/etd/9307.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Fugleberg RA. Temporal Integration of Auditory Signals for Various Binaural Phase Conditions. [Thesis]. University of Montana; 1985. Available from: https://scholarworks.umt.edu/etd/9307
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
The Ohio State University
27.
Ruth, Roger Allan.
A study of the sensitization effects in the human acoustic
reflex.
Degree: PhD, Graduate School, 1977, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487064731705117
Subjects/Keywords: Health Sciences; Threshold; Psychoacoustics
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APA (6th Edition):
Ruth, R. A. (1977). A study of the sensitization effects in the human acoustic
reflex. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1487064731705117
Chicago Manual of Style (16th Edition):
Ruth, Roger Allan. “A study of the sensitization effects in the human acoustic
reflex.” 1977. Doctoral Dissertation, The Ohio State University. Accessed February 27, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1487064731705117.
MLA Handbook (7th Edition):
Ruth, Roger Allan. “A study of the sensitization effects in the human acoustic
reflex.” 1977. Web. 27 Feb 2021.
Vancouver:
Ruth RA. A study of the sensitization effects in the human acoustic
reflex. [Internet] [Doctoral dissertation]. The Ohio State University; 1977. [cited 2021 Feb 27].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487064731705117.
Council of Science Editors:
Ruth RA. A study of the sensitization effects in the human acoustic
reflex. [Doctoral Dissertation]. The Ohio State University; 1977. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487064731705117
UCLA
28.
Wallmark, Zachary Thomas.
Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise.
Degree: Musicology, 2014, UCLA
URL: http://www.escholarship.org/uc/item/99t2t939
► Timbre is crucial to the generation of musical affect and meaning. But despite its well-acknowledged importance, musicology remains largely "tone deaf" – timbre is in the…
(more)
▼ Timbre is crucial to the generation of musical affect and meaning. But despite its well-acknowledged importance, musicology remains largely "tone deaf" – timbre is in the peculiar position of being both vital to ordinary experience and invisible to analysis. In approaching timbre through the lens of embodied cognition, this dissertation aims to loosen the analytical impasse by advancing a flexible and dynamic model for understanding the material and affective dimensions of sound. I explore how timbral reactions and appraisals work in connection with the embodied mind to shape musical experience, particularly in the context of American popular music and jazz. Methodologically situated between the "two cultures" of the humanities and sciences – and drawing on results from original empirical studies using behavioral psychology, cognitive linguistic, and neuroimaging methods – I claim that timbre perception is a motor mimetic process; we covertly mirror the bodily actions implied in the production of timbre when we listen. The larger implication of this finding is that cognition of timbre is a fundamentally social act. The dissertation is concerned, then, with the perceptual, social, and symbolic dynamics of timbre as experienced, and to best exemplify this linkage, I focus on contexts in which "musical" timbres bleed into "noise," both acoustically and epistemologically. As case studies, the dissertation considers musical contexts with visceral, polarized reception histories: the screaming saxophone in mid-1960s free jazz (as exemplified by "late" John Coltrane), and the highly distorted electric guitar and vocal timbres of contemporary extreme heavy metal.
Subjects/Keywords: Music; Psychobiology; Aesthetics; Embodied cognition; Free jazz; Heavy metal; Psychoacoustics; Systematic musicology; Timbre
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APA (6th Edition):
Wallmark, Z. T. (2014). Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise. (Thesis). UCLA. Retrieved from http://www.escholarship.org/uc/item/99t2t939
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Wallmark, Zachary Thomas. “Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise.” 2014. Thesis, UCLA. Accessed February 27, 2021.
http://www.escholarship.org/uc/item/99t2t939.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Wallmark, Zachary Thomas. “Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise.” 2014. Web. 27 Feb 2021.
Vancouver:
Wallmark ZT. Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise. [Internet] [Thesis]. UCLA; 2014. [cited 2021 Feb 27].
Available from: http://www.escholarship.org/uc/item/99t2t939.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Wallmark ZT. Appraising Timbre: Embodiment and Affect at the Threshold of Music and Noise. [Thesis]. UCLA; 2014. Available from: http://www.escholarship.org/uc/item/99t2t939
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
29.
Bulla Junior, Romeo.
Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada.
Degree: Mestrado, Sistemas Digitais, 2009, University of São Paulo
URL: http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18122009-140043/
;
► Este trabalho apresenta uma ferramenta para conferência de áudio 3D (espacial) implementando conceitos de Realidade Aumentada (RA). O objetivo desta ferramenta é aprimorar a sensação…
(more)
▼ Este trabalho apresenta uma ferramenta para conferência de áudio 3D (espacial) implementando conceitos de Realidade Aumentada (RA). O objetivo desta ferramenta é aprimorar a sensação de presença e melhorar a interatividade entre seus participantes remotos, por meio de benefícios proporcionados pela utilização de técnicas de áudio espacial (implementadas em avatares de áudio) pela: maior facilidade de concentração e atenção em um único participante e pelos efeitos positivos na memorização dos conteúdos pelos participantes como conseqüência da melhor inteligibilidade e compreensão. A motivação desta implementação reside em sua utilização como ferramenta de comunicação síncrona no ambiente de aprendizagem eletrônica Tidia-Ae, auxiliando na realização de atividades colaborativas e, possivelmente, nos processos de ensino e aprendizagem à distância. A ferramenta implementada foi integrada ao sistema Tidia-Ae e os resultados dos experimentos realizados demonstraram sua efetividade com relação às melhorias proporcionadas pelo processamento de áudio espacial.
This work presents a 3D (spatial) audio conference tool implementing Augmented Reality (AR) concepts. The main intent of this tool is to enhance the sense of presence and increase the interactivity among remote participants, by implementing spatial audio techniques in audio avatars. The use of such techniques facilitates focusing the attention on anyone specific participant of the conference and enables a positive effect on memory retention, resulting in a better intelligibility and comprehension. The motivation of this implementation lies on its appliance as a synchronous communication tool within the Tidia-Ae e-Learning system, thus aiding on collaborative activities realization and, possibly, on teaching and learning processes. The results of the experiments showed the effectiveness provided by the spatial audio processing when applied in such environment.
Advisors/Committee Members: Ruggiero, Wilson Vicente.
Subjects/Keywords: Áudio digital; Augmented reality; Digital audio; Elearning; Psicoacústica; Psychoacoustics; Realidade virtual; Teleconference; Teleconferência
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APA (6th Edition):
Bulla Junior, R. (2009). Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18122009-140043/ ;
Chicago Manual of Style (16th Edition):
Bulla Junior, Romeo. “Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada.” 2009. Masters Thesis, University of São Paulo. Accessed February 27, 2021.
http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18122009-140043/ ;.
MLA Handbook (7th Edition):
Bulla Junior, Romeo. “Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada.” 2009. Web. 27 Feb 2021.
Vancouver:
Bulla Junior R. Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada. [Internet] [Masters thesis]. University of São Paulo; 2009. [cited 2021 Feb 27].
Available from: http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18122009-140043/ ;.
Council of Science Editors:
Bulla Junior R. Ferramenta de áudio conferência espacial implementando conceitos de realidade aumentada. [Masters Thesis]. University of São Paulo; 2009. Available from: http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18122009-140043/ ;
University of Louisville
30.
Ellis, Gregory Matthew.
The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners.
Degree: PhD, 2018, University of Louisville
URL: 10.18297/etd/3057
;
https://ir.library.louisville.edu/etd/3057
► This dissertation is a quantitative and qualitative examination of how young normal hearing and young hearing-impaired listeners perceive reverberation. A primary complaint among hearing-impaired…
(more)
▼ This dissertation is a quantitative and qualitative examination of how young normal hearing and young hearing-impaired listeners perceive reverberation. A primary complaint among hearing-impaired listeners is difficulty understanding speech in noisy or reverberant environments. This work was motivated by a desire to better understand reverberation perception and processing so that this knowledge might be used to improve outcomes for hearing-impaired listeners in these environments. This dissertation is written in six chapters. Chapter One is an introduction to the field and a review of the relevant literature. Chapter Two describes a motivating experiment from laboratory work completed before the dissertation. This experiment asked human subjects to rate the amount of reverberation they perceived in a sound relative to another sound. This experiment showed a significant effect of listening condition on how listeners made their judgments. Chapter Three follows up on this experiment, seeking a better understanding of how listeners perform the task in Chapter Two. Chapter Three shows that listeners can use limited information to make their judgments. Chapter Four compares reverberation perception in normal hearing and hearing-impaired listeners and examines the effect of speech intelligibility on reverberation perception. This experiment finds no significant differences between cues used by normal hearing and hearing-impaired listeners when judging perceptual aspects of reverberation. Chapter Five describes and uses a quantitative model to examine the results of Chapters Two and Four. Chapter Six summarizes the data presented in the dissertation and discusses potential implications and future directions. This work finds that the perceived amount of reverberation relies primarily on two factors: 1) the listening condition (i.e., binaural, monaural, or a listening condition in which reverberation is present only in one ear) and 2) the sum of reverberant energy present at the two ears. Listeners do not need the reverberant tail to estimate perceived amount of reverberation, meaning that listeners are able to extract information about reverberation from the ongoing signal. The precise mechanism underlying this process is not explicitly found in this work; however, a potential framework is presented in Chapter Six.
Advisors/Committee Members: Zahorik, Pavel, DeMarco, Paul, DeMarco, Paul, Kondaurova, Maria, Miller, Sharon, Stilp, Christian.
Subjects/Keywords: binaural hearing; reverberation; hearing impairment; psychoacoustics; Heuser hearing institute; University of Louisville; Cognition and Perception
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APA ·
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Export
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APA (6th Edition):
Ellis, G. M. (2018). The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners. (Doctoral Dissertation). University of Louisville. Retrieved from 10.18297/etd/3057 ; https://ir.library.louisville.edu/etd/3057
Chicago Manual of Style (16th Edition):
Ellis, Gregory Matthew. “The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners.” 2018. Doctoral Dissertation, University of Louisville. Accessed February 27, 2021.
10.18297/etd/3057 ; https://ir.library.louisville.edu/etd/3057.
MLA Handbook (7th Edition):
Ellis, Gregory Matthew. “The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners.” 2018. Web. 27 Feb 2021.
Vancouver:
Ellis GM. The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners. [Internet] [Doctoral dissertation]. University of Louisville; 2018. [cited 2021 Feb 27].
Available from: 10.18297/etd/3057 ; https://ir.library.louisville.edu/etd/3057.
Council of Science Editors:
Ellis GM. The effects of monaural and binaural cues on perceived reverberation by normal hearing and hearing-impaired listeners. [Doctoral Dissertation]. University of Louisville; 2018. Available from: 10.18297/etd/3057 ; https://ir.library.louisville.edu/etd/3057
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Open Access Theses and Dissertations
