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Combined Implementation of Predictive Speech Coding and Acoustic Echo Cancellation

Authors:
Acker, C. ,  Vary, P.
Book Title:
Proceedings of European Signal Processing Conference (EUSIPCO)
Organization:
Eurasip
Volume:
3
Pages:
p.p. 1641-1644
Address:
Brüssel, Belgium
Date:
Aug. 1992
Language:
English

Abstract

Several concepts have been proposed improving the convergence behavior of gradient acoustic echo cancellation for hands-free telephone sets by linear prediction techniques. In this contribution a detailed analysis and a significant improvement of the algorithm given in [5] is presented. Furthermore we clarify to which extent it is advantageous to use the predictive filter available in a speech decoder in a combined implementation of predictive speech coding and acoustic echo cancellation.

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