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Convention Paper

On the Use of Dynamically Varied Loudspeaker Spacing in Wave Field Synthesis

Authors: Ranjan, Rishabh; Gan, Woon-Seng

AES Convention 133 · Paper 8755 · October 2012

Abstract

Wave field synthesis (WFS) has evolved as a promising spatial audio rendering technique in recent years and has been widely accepted as the optimal way of sound reproduction technique. Suppressing spatial aliasing artifacts and accurate reproduction of sound field remain the focal points of research in WFS over the recent years. The use of optimum loudspeaker configuration is necessary to achieve perceptually correct sound field in the listening space. In this paper we analyze the performance of dynamically spaced loudspeaker arrays whose spacing varies with the audio signal frequency content. The proposed technique optimizes the usage of a prearranged set of loudspeaker arrays to avoid spatial aliasing at relatively low frequencies as compared to uniformly fixed array spacing in conventional WFS setups.

Details

Published in
AES Convention 133
AES Convention
133
Paper number
8755
Publication date
October 6, 2012
Session subject
Spatial Audio
Affiliation
Nanyang Technological University, Singapore, Singapore (See document for exact affiliation information.)
Type
Convention Paper