A measured head-related transfer function can be decomposed into a minimum-phase, a linear-phase, and an all-pass component. The audibility of the all-pass component is tested in a three alternative, forced choice experiment. Results show that a pair of head-related transfer functions can be represented by its minimum-phase components if the appropriate interaural time difference is applied. The interaural time difference is found as the inaural group delay difference at 0 Hz, which is determined from the excess phase (linear-phase and all-pass) components.:

Authors: Plogsties, Jan; Minnaar, Pauli; Olesen, S. Krarup; Christensen, Flemming; Møller, Henrik
Affiliation: Acoustics Laboratory, Aalborg University, Denmark
AES Convention: 108 (February 2000) Paper Number: 5132
Publication Date: February 1, 2000
Subject: Psychoacoustics

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