PMID: 15376679Sep 21, 2004Paper

The across frequency independence of equalization of interaural time delay in the equalization-cancellation model of binaural unmasking

The Journal of the Acoustical Society of America
M A Akeroyd

Abstract

The equalization stage in the equalization-cancellation model of binaural unmasking compensates for the interaural time delay (ITD) of a masking noise by introducing an opposite, internal delay [N. I. Durlach, in Foundations of Modern Auditory Theory, Vol. II., edited by J. V. Tobias (Academic, New York, 1972)]. Culling and Summerfield [J. Acoust. Soc. Am. 98, 785-797 (1995)] developed a multi-channel version of this model in which equalization was "free" to use the optimal delay in each channel. Two experiments were conducted to test if equalization was indeed free or if it was "restricted" to the same delay in all channels. One experiment measured binaural detection thresholds, using an adaptive procedure, for 1-, 5-, or 17-component tones against a broadband masking noise, in three binaural configurations (N0S180, N180S0, and N90S270). The thresholds for the 1-component stimuli were used to normalize the levels of each of the 5- and 17-component stimuli so that they were equally detectable. If equalization was restricted, then, for the 5- and 17-component stimuli, the N90S270 and N180S0 configurations would yield a greater threshold than the N0S180 configurations. No such difference was found. A subsequent experiment measure...Continue Reading

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Citations

Jul 12, 2012·The Journal of the Acoustical Society of America·Andrew SchwartzBarbara Shinn-Cunningham
Sep 11, 2009·The Journal of the Acoustical Society of America·Rainer BeutelmannBirger Kollmeier
Aug 1, 2006·The Journal of the Acoustical Society of America·Rainer Beutelmann, Thomas Brand
Nov 10, 2009·The Journal of the Acoustical Society of America·Hamish Meffin, Benedikt Grothe
Jan 12, 2011·The Journal of the Acoustical Society of America·Rui WanH Steven Colburn
Sep 29, 2006·The Journal of the Acoustical Society of America·Barrie A Edmonds, John F Culling
Oct 26, 2005·The Journal of the Acoustical Society of America·Frederick J GallunGerald Kidd
Oct 26, 2010·The Journal of the Acoustical Society of America·Gerald KiddNicole Marrone
Sep 23, 2014·The Journal of the Acoustical Society of America·Stefano CosentinoTiago H Falk
Jan 28, 2012·The Journal of the Acoustical Society of America·Mathieu LavandierSimon J Makin
Apr 8, 2010·The Journal of the Acoustical Society of America·Rainer BeutelmannBirger Kollmeier
Oct 12, 2007·The Journal of the Acoustical Society of America·Mathieu Lavandier, John F Culling
Dec 16, 2010·Hearing Research·Sam JelfsMathieu Lavandier
Jul 14, 2010·The European Journal of Neuroscience·Ali AsadollahiHermann Wagner
Aug 30, 2006·International Journal of Audiology·Michael A Akeroyd
Jun 3, 2016·The Journal of the Acoustical Society of America·Esther SchoenmakerSteven van de Par
Jun 17, 2005·The Journal of the Acoustical Society of America·Barrie A Edmonds, John F Culling
Oct 27, 2021·Trends in Hearing·Alain de Cheveigné

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