DECORRELATION BY RESAMPLING IN FREQUENCY DOMAIN FOR MULTI-CHANNEL ACOUSTIC ECHO CANCELLATION BASED ON RESIDUAL ECHO ENHANCEMENT

被引：0
|
作者：
Wada, Ted S. [1 ]
Wung, Jason [1 ]
Juang, Biing-Hwang [1 ]
机构：
[1] Georgia Inst Technol, Ctr Signal & Image Proc, Atlanta, GA 30332 USA
来源：
2011 IEEE WORKSHOP ON APPLICATIONS OF SIGNAL PROCESSING TO AUDIO AND ACOUSTICS (WASPAA) | 2011年
关键词：
multi-channel acoustic echo cancellation; inter-channel decorrelation; frequency-domain resampling; residual echo enhancement;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
An inter-channel decorrelation procedure via resampling in the frequency domain for multi-channel acoustic echo cancellation (MCAEC) based on residual echo enhancement is proposed. The objective is to efficiently alleviate the non-uniqueness problem while introducing minimal distortion to the audio quality and the signal statistics. The effectiveness is illustrated with respect to the standard approach of using a memoryless nonlinearity or additive noise. A combination of the new decorrelation procedure and the residual echo enhancement technique points towards a computationally feasible yet very robust frequency-domain MCAEC system.
引用
收藏
页码：289 / 292
页数：4
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