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Convention Paper

Echo Control in Teleconferencing Using Adaptive Filters

Authors: Mapes-Riordan, Dan; Zhao, John H.

AES Convention 95 · Paper 3755 · October 1993

Abstract

The traditional method of controlling echo in teleconferencing is to attenuate the gain in the return signal path. Using adaptive filters reduces the acoustic and line echo so that less gain attenuation is needed to control the echo, thus, allowing more interactive communication. Although the performance of today's DSP-based teleconferencing systems have improved, they are still limited by the long-standing problems of excessive room vibration and background noise.

Details

Published in
AES Convention 95
AES Convention
95
Paper number
3755
Publication date
October 6, 1993
Session subject
DSP Theory and Applications
Affiliation
Shure Brothers, Inc., Evanston, IL (See document for exact affiliation information.)
Type
Convention Paper