Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20102
Title: A robust transform domain echo canceller employing a parallel filter structure
Authors: Huo, J
Yiu, KF 
Nordholm, S
Teo, KL
Keywords: Echo cancellation
Double-talk
Filter bank
Subband adaptive filter
Issue Date: 2006
Publisher: Elsevier
Source: Signal processing, 2006, v. 86, no. 12, p. 3752-3760 How to cite?
Journal: Signal processing 
Abstract: The proper control of acoustic echoes is of vital significance in modern communication systems. Acoustic echoes are commonly combatted by means of acoustic echo cancellation. A critical issue in acoustic echo cancellation is the control of adaptation of the echo cancellation filter with the possible presence of near-end speech activities. In this paper, a novel echo cancellation structure is proposed. The proposed structure makes use of two parallel adaptive filters. Echo of the two parallel adaptive filters is tailored for a specific operating situation. By so doing, the contradicting requirements of robustness against near-end disturbance and fast convergence and tracking speed are achieved simultaneously.
URI: http://hdl.handle.net/10397/20102
ISSN: 0165-1684
EISSN: 1872-7557
DOI: 10.1016/j.sigpro.2006.03.004
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