An adaptation control for acoustic echo cancellers

被引：24
|
作者：
Heitkamper, P [1 ]
机构：
[1] TH DARMSTADT, D-64283 DARMSTADT, GERMANY
来源：
IEEE SIGNAL PROCESSING LETTERS | 1997年 / 4卷 / 06期
关键词：
D O I：
10.1109/97.586039
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：
Acoustic echo cancellation algorithms need a reliable adaptation control to cope with changing systems and nonstationary signals. A variable stepsize is proposed that is based on the detection of speakers' activities, and involves estimates of system parameters and background noise. Real-time experiments demonstrate the workability in practice.
引用
收藏
页码：170 / 172
页数：3
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