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Fast continuous HRTF acquisition with unconstrained movements of human subjects

Citation Author(s):
Rishabh Ranjan
Submitted by:
Jianjun HE
Last updated:
15 March 2016 - 2:56am
Document Type:
Research Manuscript
Document Year:


Head related transfer function (HRTF) is widely used in 3D audio reproduction, especially over headphones. Conventionally, HRTF database is acquired at discrete directions and the acquisition process is time-consuming. Recent works have been proposed to improve HRTF acquisition efficiency via continuous acquisition. However, these HRTF acquisition techniques still require subject to sit still (with limited head movement) in a rotating chair. In this paper, we further relax the head movement constraint during acquisition by using a head tracker. The proposed continuous HRTF acquisition technique relies on the activation based normalized least-mean-square (ANLMS) algorithm to extract HRTF on the fly. Experimental results validated the accuracy of the proposed technique, whencompared with the standard static acquisition technique.

This paper was presented at ICASSP 2016 in Shanghai, China.

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ICASSP16_JJ_Rish_rev_final - RG version.pdf