Abstract:
This paper casts the problem of canceling acoustic echoes during a double-talk event as a blind signal separation problem. Principles of independent component analysis ar...Show MoreMetadata
Abstract:
This paper casts the problem of canceling acoustic echoes during a double-talk event as a blind signal separation problem. Principles of independent component analysis are applied to derive algorithms for updating the echo cancellation filter during double-talk, and the near-end signal is separated out from the microphone signal. This approach simplifies the the structure of acoustic echo cancelers by avoiding the need for double-talk detection. The same updating algorithm is applied under all conditions. The proposed approach is compared with existing methods on live data recorded on a speaker phone.
Published in: 2009 Conference Record of the Forty-Third Asilomar Conference on Signals, Systems and Computers
Date of Conference: 01-04 November 2009
Date Added to IEEE Xplore: 20 May 2010
ISBN Information: