teleconferencing can be enhanced considerably with the application of spatial sound recording, transmission and reproduction. True spatial sound reproduction can be obtained with Wave Field Synthesis (WFS) which gives a sound reproduction that is independent of the listener position. Our research has shown that a significant improvement of speech intelligibility can be obtained with WFS as compared with a single loudspeaker reproduction, when there are several interfering speech signals. The improvement in Speech Reception Threshold (SRT) can be more than 2 dB, making a change in speech intelligibility from 50% to 85%.

Authors: Boone, Marinus M.; de Bruijn, Werner P. J.
Affiliation: Laboratory of Acoustical Imaging and Sound Control, University of Technology, Delft, The Netherlands
AES Convention: 114 (March 2003) Paper Number: 5800
Publication Date: March 1, 2003
Subject: Multichannel Sound

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