An audio system is proposed for personal teleconferencing. One sound reflective ellipsoidal screen faces the attendee such that his speech is focused on a microphone behind him. A second screen lies behind the microphone. A loudspeaker is placed at one focal point of the second screen while the attendee's position lies at the other. Howling and echo are virtually eliminated.

Authors: Kanemaki, Naobumi; Shimamura, Kazunori
Affiliation: Nippon Telegraph and Telephone Corporation, Kanagawa 238-03, Japan
AES Convention: 91 (October 1991) Paper Number: 3201
Publication Date: October 1, 1991
Subject: Transmission

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