Acoustic echo cancellation and doubletalk detection using estimated loudspeaker impulse responses

被引：8
|
作者：
Åhgren, P [1 ]
机构：
[1] Uppsala Univ, Dept Syst & Control, SE-75105 Uppsala, Sweden
来源：
IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING | 2005年 / 13卷 / 06期
关键词：
acoustic echo cancellation; adaptive filtering; doubletalk detection; loudspeaker;
D O I：
10.1109/TSA.2005.851995
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, we present a new approach to acoustic echo cancellation and doubletalk detection for a teleconferencing system including a loudspeaker for which an estimate of the loudspeaker impulse response is available. The approach is general in the sense that it may be applied to most existing acoustic echo cancellation and doubletalk detection algorithms. We show that the new approach reduces the computational complexity for both the echo cancellation and the doubletalk detection algorithms. Furthermore, the numerical examples show that the new approach also may increase the echo cancellation and doubletalk detection performances.
引用
收藏
页码：1231 / 1237
页数：7
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