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Re: Integration of ITD information

I agree with David that the specific answer to your question appears in Dye, 1990.

For a good summary of the phenomenon and a very nice model, look at

Stern R. M., Zeiberg A. S., and Trahiotis, C. (1988) "Lateralization of complex binaural stimuli: A weighted-image model "J. Acoust. Soc. Am. 84, 156

A very clear equation for predicting how information is combined appears in

Buell, T.N and Hafter, E. R. (1991) "Combination of binaural information across frequency bands" J. Acoust. Soc. Am. 90, 1894

However, the most recent word on the subject of that equation appears in

Bernstein, L. R., and Trahiotis, C. (2004). "The apparent immunity of high-frequency
"transposed" stimuli to low-frequency binaural interference," J. Acoust. Soc. Am. 116, 3062

Erick Gallun
Post-doctoral Fellow
Hearing Research Center, Boston University

At 7:22 PM +0200 10/10/05, Bernhard Laback wrote:
Dear list,

Is there any evidence for integration of interaural time difference (ITD) information across frequency channels in ITD detection / discrimination tasks? More specifically, are ITD JNDs lower for a broadband stimulus compared to any narrowband stimulus within the spectral range covered by the broadband stimulus?

Of course, I assume that the overall intensity is held constant.

I would appreciate any hint,

With best regards,

Bernhard Laback

Bernhard Laback, Ph.D.
Acoustics Research Institute
Austrian Academy of Sciences
Reichsratsstrasse 17
A-1010 Wien
Tel.: 0043-1-4277-29514
Fax.: 0043-1-4277-9295