Stereophonic acoustic echo cancellation employing selective-tap adaptive algorithms

被引：26

作者：

Khong, AWH ^{[1
]}

Naylor, PA ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Elect Engn, London SW7 2AZ, England

来源：

IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING | 2006年 / 14卷 / 03期

关键词：

adaptive algorithms; partial-update; stereophonic acoustic echo cancellation; tap-selection;

D O I：

10.1109/TSA.2005.858065

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Stereophonic acoustic echo cancellation has generated much interest in recent years due to the nonuniqueness and misalignment problems that are caused by the strong interchannel signal coherence. In this paper, we introduce a novel adaptive filtering approach to reduce interchannel coherence which is based on a selective-tap updating procedure. This tap-selection technique is then applied to the normalized least-mean-square, affine projection and recursive least squares algorithms for stereophonic acoustic echo cancellation. Simulation results for the proposed algorithms have shown a significant improvement in convergence rate compared with existing techniques.

引用

页码：785 / 796

页数：12

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