Spectral completion of partially masked sounds.

Abstract:

:Natural environments typically contain multiple sound sources. The sounds from these sources frequently overlap in time and often mask each other. Masking could potentially distort the representation of a sound's spectrum, altering its timbre and impairing object recognition. Here, we report that the auditory system partially corrects for the effects of masking in such situations, by using the audible, unmasked portions of an object's spectrum to fill in the inaudible portions. This spectral completion mechanism may help to achieve perceptual constancy and thus aid object recognition in complex auditory scenes.

authors

McDermott JH,Oxenham AJ

doi

10.1073/pnas.0711291105

subject

Has Abstract

pub_date

2008-04-15 00:00:00

pages

5939-44

issue

15

eissn

0027-8424

issn

1091-6490

pii

0711291105

journal_volume

105

pub_type

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