Spectral completion of partially masked sounds

Josh H. McDermott, Andrew J. Oxenham

    Research output: Contribution to journalArticlepeer-review

    17 Scopus citations

    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.

    Original languageEnglish (US)
    Pages (from-to)5939-5944
    Number of pages6
    JournalProceedings of the National Academy of Sciences of the United States of America
    Volume105
    Issue number15
    DOIs
    StatePublished - Apr 15 2008

    Keywords

    • Auditory objects
    • Auditory scene analysis
    • Perceptual organization
    • Segmentation
    • Segregation

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