Application of the leaky extended LMS (XLMS) algorithm in stereophonic acoustic echo cancellation

被引：12

作者：

Hoya, T ^{[1
]}

Loke, Y ^{[1
]}

Chambers, JA ^{[1
]}

Naylor, PA ^{[1
]}

机构：

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

来源：

SIGNAL PROCESSING | 1998年 / 64卷 / 01期

关键词：

leakage factor; stereophonic acoustic echo cancellation; leaky XLMS; two-channel LMS;

D O I：

10.1016/S0165-1684(97)00178-3

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Analysis of the leaky least mean square (LMS) adaptive algorithm has justified the use of a leakage factor in many applications. In this work, a similar leakage factor is introduced in the two-channel LR?IS and the extended LMS (XLMS) algorithms for use in stereophonic acoustic echo cancellation. This is compared with the alternative of adding random white noise to the input stereo signals. Simulations and experimental results indicate that introduction of the leakage factor is superior to the direct addition of random white noise. Performance measures used are based on output error and weight error vector norms. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：87 / 91

页数：5

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