Spatial Hearing, Attention and Informational Masking in Speech Identification

Abstract

The specific aims of this research grant included examining how and how well listeners could treat the two ears as independent channels, the role of a priori knowledge in multisource listening, and the evaluation of the Listener Max-Min observer models in multiple talker environments (Durlach et al., J. Acoust. Soc. Am., 2003). The general approach was empirical using humans subjects as observers in masked speech identification experiments when multiple sources of sound were present and, usually, were spatially distributed. As a general statement, we feel that considerable progress was made toward each of these aims. A list of publications and presentations at scientific meetings is appended. The work that was accomplished with AFOSR support has considerable scientific significance and possible relevance for practical applications. Furthermore, it has stimulated new lines of research in auditory attention and masked conditions where higher-level cognitive processes are key.

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Document Details

Document Type
Technical Report
Publication Date
Feb 28, 2008
Accession Number
ADA480690

Entities

People

  • Douglas S. Brungart
  • Gerald Kidd Jr.
  • Nathaniel Durlach

Tags

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Auditory Perception
  • Cognition
  • Environment
  • Filters
  • Filtration
  • Frequency
  • Frequency Bands
  • Frequency Domain
  • Identification
  • Noise
  • Observers
  • Psychological Phenomena And Processes
  • Psychology
  • Spatial Filtering
  • Test And Evaluation

Readers

  • Auditory Neuroscience/Auditory Physiology.
  • Speech Processing/Speech Recognition.
  • Technical Research and Report Writing.