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Reverberation limits the release from informational masking obtained in the harmonic and binaural domains

Deroche, Mickael, Culling, John, Lavandier, Mathieu and Gracco, Vincent 2017. Reverberation limits the release from informational masking obtained in the harmonic and binaural domains. Attention Perception and Psychophysics 79 (1) , pp. 363-379. 10.3758/s13414-016-1207-3

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Abstract

A difference in fundamental frequency (ΔF0) and a difference in spatial location (ΔSL) are two cues known to provide masking releases when multiple speakers talk at once in a room. Situations were examined in which reverberation should have no effect on the mechanisms underlying the release from energetic masking produced by these two cues. Speech reception thresholds using both unpredictable target sentences and the coordinate response measure followed a similar pattern. Both ΔF0s and ΔSLs provided masking releases in the presence of non-speech maskers (matched in excitation pattern and temporal envelope to speech maskers) which, as intended, were robust to reverberation. Larger masking releases were obtained for speech maskers, but critically, they were affected by reverberation. The results suggest that reverberation either limits the amount of informational masking there is to begin with, or affects its release by ΔF0s or ΔSLs.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords: Speech perceptionPsychoacousticsPerceptual categorizationPerceptual identification
Publisher: Psychonomic Society
ISSN: 1943-3921
Date of First Compliant Deposit: 23 January 2017
Date of Acceptance: 26 August 2016
Last Modified: 13 Oct 2017 12:22
URI: http://orca-mwe.cf.ac.uk/id/eprint/97406

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