PMID: 3745675Aug 1, 1986Paper

A central spectrum theory of binaural processing. Evidence from dichotic pitch

The Journal of the Acoustical Society of America
J Raatgever, F A Bilsen

Abstract

A theory is presented that describes the binaural processing of interaural time or phase differences. It is an elaboration of the central spectrum concept for the explanation of dichotic pitch phenomena [F. A. Bilsen, "Pitch of noise signals: Evidence for a 'central spectrum'," J. Acoust. Soc. Am. 61, 150-161 (1977)]. The generation is postulated for central activity patterns (CAP) due to binaural interaction. From these CAPs the central processor selects specific spectral information that constitutes the information for lateralization, dichotic pitch, binaural masking, etc. Here, a strategy is assumed to be based on central spectra (CS) rather than on interaural cross correlation. For the calculation of the central activity patterns a number of assumptions have been introduced. The peripheral filters are supposed to be infinitesimally narrow. The analog filter outputs from corresponding filters at both ears are thought to interact by means of a linear delay-and-add mechanism. The squared output (power) of such a binaural (addition) network constitutes the CAP. The theory has been tested with lateralization and BMLD measurements using dichotic stimulus configurations characteristic of the perception of dichotic pitch. The predi...Continue Reading

Citations

Apr 8, 2010·Journal of the Association for Research in Otolaryngology : JARO·Sébastien SanturetteTorsten Dau
Nov 19, 2010·Journal of the Association for Research in Otolaryngology : JARO·Hedwig E GockelChristopher J Plack
Apr 1, 1992·Hearing Research·S Aoki, T Houtgast
Jan 30, 1999·Hearing Research·J F Culling
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Feb 24, 2001·The Journal of the Acoustical Society of America·W M Hartmann, C D McMillon
Jun 24, 1998·The Journal of the Acoustical Society of America·J F CullingD H Marshall
Jun 24, 1998·The Journal of the Acoustical Society of America·J F CullingA Q Summerfield
Apr 17, 2012·The Journal of the Acoustical Society of America·Sébastien Santurette, Torsten Dau
Feb 12, 2009·The Journal of the Acoustical Society of America·Peter Xinya Zhang, William M Hartmann
Jun 10, 2008·The Journal of the Acoustical Society of America·Sander J van Wijngaarden, Rob Drullman
Jul 17, 2009·The Journal of the Acoustical Society of America·Hedwig E GockelChristopher J Plack
Nov 17, 2006·Hearing Research·Sébastien Santurette, Torsten Dau
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Aug 3, 2000·The Journal of the Acoustical Society of America·F A Bilsen, J Raatgever
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Jan 13, 2004·The Journal of the Acoustical Society of America·William M Hartmann, Peter Xinya Zhang
May 2, 2000·The Journal of the Acoustical Society of America·J F Culling

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