| Combination of masking releases for different center frequencies and masker amplitude statistics. | |
| | |
MedLine Citation:
|
PMID: 19894828 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Several masking experiments have shown that the auditory system is able to use coherent envelope fluctuations of the masker across frequency within one ear as well as differences in interaural disparity between signal and masker to enhance signal detection. The two effects associated with these abilities are comodulation masking release (CMR) and binaural masking level difference (BMLD). The aim of the present study was to investigate the combination of CMR and BMLD. Thresholds for detecting a sinusoidal signal were measured in a flanking-band paradigm at three different signal frequencies. The masker was presented diotically, and various interaural phase differences (IPDs) of the signal were used. The masker components were either multiplied or Gaussian narrowband noises. In addition, a transposed stimulus was used to increase the BMLD at a high signal frequency. For all frequencies and masker conditions, thresholds decreased as the signal IPD increased and were lower when the masker components were comodulated. The data show an addition of the monaural and binaural masking releases in decibels when masker conditions with and without comodulation and the same spectrum were compared. |
| | |
Authors:
|
Bastian Epp; Jesko L Verhey |
Related Documents
:
|
1918628 - Performance of hearing-impaired persons on auditory enhancement tasks. 17055028 - Dynamics of shape interaction in human vision. 19183698 - Achieving resolution beyond the diffraction limit of telescopic optics with remote mask... 10615698 - The role of perceived spatial separation in the unmasking of speech. 16666128 - Transport of phosphoenolpyruvate by chloroplasts from mesembryanthemum crystallinum l. ... 19894848 - Vocal cues to identity and relatedness in giant pandas (ailuropoda melanoleuca). |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
|
Title: The Journal of the Acoustical Society of America Volume: 126 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2009 Nov |
Date Detail:
|
Created Date: 2009-11-09 Completed Date: 2010-01-28 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
|
Languages: eng Pagination: 2479-89 Citation Subset: IM |
Affiliation:
|
Institut fur Physik, Carl von Ossietzky Universitat Oldenburg, Carl-von-Ossietzky-Strabetae 9-11, 26111 Oldenburg, Germany. bastian.epp@uni-oldenburg.de |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Acoustic Stimulation
/
methods Adult Audiometry, Pure-Tone Auditory Threshold / physiology* Data Interpretation, Statistical Humans Perceptual Masking / physiology* Psychoacoustics* Sound Localization / physiology* Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Effects of masker envelope coherence on intensity discrimination.
Next Document: Investigating possible mechanisms behind the effect of threshold fine structure on amplitude modulat...