State of the Art of Stereophonic Acoustic Echo Cancellation
نویسندگان
چکیده
This paper presents the state of the art of stereophonic acoustic echo cancellation (SAEC) in terms of theoretical results and practical considerations that has to be made when implementing SAEC algorithms. The fundamental difficulty of SAEC is described and an echo canceler based on a fast recursive least squares algorithm in a subband structure is proposed. Results from real life off line experiments as well as real time experiments are shown and discussed.
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Stereophonic acoustic echo cancellation is one of the expanding areas in the field of the speech/multimedia communication systems. In a conventional stereophonic acoustic echo canceller, working in a stereo communication system, the existence of the strong cross-correlation between the input signals to the two channels has the problem of the low convergence speed of the weights of the adaptive ...
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