An integrated approach to acoustic noise and echo cancellation

被引：4
|
作者：
Rombouts, G [1 ]
Moonen, M [1 ]
机构：
[1] Katholieke Univ Leuven, ESAT, SISTA, B-3001 Heverlee, Belgium
来源：
SIGNAL PROCESSING | 2005年 / 85卷 / 04期
关键词：
combined acoustic noise and echo cancellation;
D O I：
10.1016/j.sigpro.2004.11.017
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：
We describe an approach to speech signal enhancement where acoustic echo cancellation and noise reduction, which are traditionally handled separately, are combined in one integrated scheme. The optimization problem defined by this scheme is solved adaptively using a QRD-based least squares lattice (QRD-LSL) algorithm. We show that the performance of the integrated scheme is superior to the performance of traditional (cascading) schemes, while complexity is kept at an affordable level. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：849 / 871
页数：23
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