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    Pitch-based Streaming in Auditory Perception

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    96.007.pdf (1.631Mb)
    Date Issued
    1996-02
    Author
    Grossberg, Stephen
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    Permanent Link
    https://hdl.handle.net/2144/2306
    Abstract
    This chapter summarizes a neural model of how humans use pitch-based information to separate and attentively track multiple voices or instruments in distinct auditory streams, as in the cocktail party problem. The model incorporates concepts of top-down matching, attention, and resonance that have been used to analyse how humans can autonomously learn and stably remember large amounts of information in response to a rapidly changing environment. These Adaptive Resonance Theory, or AHT, concepts are joined to a Spatial Pitch NETwork, or SPINET, model to form an ARTSREAM model for pitch-based streaming. The ARTSTREAM model suggests that a resonance between spectral and pitch representations is necessary for a conscious auditory percept to occur. Examples from auditory perception in noise and context-sensitive speech perception are discussed, such as the auditory continuity illusion and phonemic restoration. The Gjerdingen analysis of apparent motion in music is shown to have a natural embedding within the ARTSTREAM model.
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    Copyright 1996 Boston University. Permission to copy without fee all or part of this material is granted provided that: 1. The copies are not made or distributed for direct commercial advantage; 2. the report title, author, document number, and release date appear, and notice is given that copying is by permission of BOSTON UNIVERSITY TRUSTEES. To copy otherwise, or to republish, requires a fee and / or special permission.
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