In virtual reality systems such as the aixCAVE (Cave Automated Virtual Environment) multiple screen-walls provide a 3-D image of the virtual world for a tracked listener. Loudspeakers that surround the user, as demanded by VBAP and Ambisonics, would interfere with the user’s field of view. Headphone reproduction in contrast lacks a presentation of structure-borne sound for lower frequencies and additional user-attached devices distract the user from the virtual environment. These conditions make crosstalk-cancellation (CTC) systems favorable. As reflections of the acoustically hard surfaces of the screens superimpose the signal of the CTC system, this paper investigates the performance of a multi-channel CTC system with compensation of first order reflections in a CAVE system.

Authors: Kohnen, Michael; Stienen, Jonas; Aspöck, Lukas; Vorländer, Michael
Affiliation: RWTH Aachen University, Aachen, Germany
AES Conference: 2016 AES International Conference on Sound Field Control (July 2016)
Paper Number: 3-4
Publication Date: July 14, 2016
Subject: Psychoacoustics

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