Algorithms for Hands-Free Voice Communication in Noisy Environments

Authors:

Martin, R.

Book Title:

Proceedings of Aachen Symposium on Signal Theory

Pages:

p.p. 233-238

Address:

Aachen, Germany

Date:

Mar. 1997

Language:

English

Abstract

This paper discusses algorithms for hands-free voice communication in noisy environments. It is shown that the two essential features of such algorithms, i.e. acoustic echo control and ambient noise reduction, can be combined in a true synergy. The paper outlines a minimum mean square framework to the combined problem and summarizes some of the fundamental issues of algorithm design. It is suggested that a multi-microphone approach might be best suited to achieve the desired performance.

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