Probability of detection of residual echo based on magnitude-squared coherence estimate

被引：0

作者：

Sui, C ^{[1
]}

机构：

[1] Lucent Technol Inc, Business Commun Syst Div, Middletown, NJ 07748 USA

来源：

PROCEEDINGS OF THE 1998 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-6 | 1998年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Residual echo is a distorted, partially-canceled, and transient echo of the near-end speech signal returned from the remote network. Previous work [2] has shown that residual echo can be detected and reduced by using a nonlinear processing technique based on frequency coherence. In this paper a mathematical approach to evaluate this nonlinear processor and the algorithm for computing the probability of detection using the magnitude-squared coherence estimate are presented.

引用

页码：3453 / 3456

页数：4

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