An objective measure of head related transfer functions (HRTF) sensitivity in three dimensional spatial audio systems is presented. A family of three-dimensional surfaces yields visual representation of the spectral errors induced by the variations in physical misalignment of both listener and loudspeakers. A two-loudspeaker array over a range of subtended angles is investigated where sensitivities are computed for horizontal loudspeaker configurations using a pair-wise HRTF association allowing imaging performance to be estimated.

Authors: Foo, Kelvin C.; Hawksford, Malcolm J.
Affiliation: University of Essex, Colchester, Essex, UK
AES Convention: 103 (September 1997) Paper Number: 4572
Publication Date: September 1, 1997
Subject: 3-D Binaural Audio Technology

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