Acoustic Echo Control in Wireless Networks

The original premise that echo control is not applicable in wireless networks has been proven to be incorrect. The acoustic echo phenomenon in wireless networks is the focal point of this paper. Acoustic echo and electrical (hybrid) echo parameters are compared, and the techniques used to eliminate different types of signal degradation are described. This paper evaluates the acoustic echo control (AEC) methodologies employed by several echo canceller vendors, explains why some echo canceller products deliver inadequate performance, and presents alternative recommendations.

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