Adaptive noise cancellation for nonstationary real data background noise using three microphones

被引：1

作者：

Chen, WN ^{[1
]}

Moir, TJ ^{[1
]}

机构：

[1] Univ Paisley, Dept Elect Engn & Phys, Paisley PA1 2BE, Renfrew, Scotland

来源：

ELECTRONICS LETTERS | 1999年 / 35卷 / 23期

关键词：

D O I：

10.1049/el:19991357

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：

Background noise is usually an important factor that affects speech recognition performance and many other applications. In this Letter background noises (especially background speech or music) can be significantly suppressed under this new dual algorithm that comprises a three-microphone active word boundary detector and a three-input adaptive noise canceller. An example of a real data experiment has been conducted and shows an SNR improved up to 17.1 dB. Although array signal processing and word boundary detection are not new, this particular combination has not been previously used and is of great practical significance.

引用

页码：1991 / 1992

页数：2

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