Combined Acoustic Echo Control and Noise Reduction for Hands-Free Telephony - State of the Art and Perspectives

Authors:

Martin, R. ,  Vary, P.

Book Title:

Proceedings of European Signal Processing Conference (EUSIPCO)

Pages:

p.p. 1107-1110

Address:

Trieste, Italy

Date:

Sep. 1996

Language:

English

Abstract

In this paper we summarize and discuss recent results in acoustic echo cancellation and noise reduction with emphasis on methods which combine both aspects. It is shown that echo control and noise reduction can support each other in a true synergy. The paper discusses fundamental issues of algorithm design and suggests that a frequency domain multi-microphone solution might be best suited to achieve the desired performance.

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