An optimal spherical-head model is derived from the high-frequency interaural time difference (ITD) of a population of 25 subjects. Analysis demonstrates that the optimal sphere results in very small lateral angle errors, except near the interaural poles. The spherical-head model is then estimated using the anthropometry of the subjects, based on simple and robust empirical predictive equations. Such a customization greatly decreases objective angular errors, which occur when a generic model is used.

Authors: Algazi, V. Ralph; Avendano, Carlos; Duda, Richard O.
Affiliations: Center for Image Processing and Integrated Computing, University of California, Davis, CA ; Creative Advanced Technology Center, Scotts Valley, CA ; Department of Electrical Engineering, San Jose State University, San Jose, CA(See document for exact affiliation information.)
JAES Volume 49 Issue 6 pp. 472-479; June 2001
Publication Date: June 1, 2001

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