A new beamformer for acoustic arrays based upon a constrained leaky LMS algorithm

被引：0

作者：

Goh, BA ^{[1
]}

McLernon, DC ^{[1
]}

机构：

[1] Univ Leeds, Inst Integrated Informat Syst, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

PROCEEDINGS OF THE 3RD IEEE INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND INFORMATION TECHNOLOGY | 2003年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A new broadband adaptive beamformer specifically applicable to microphone arrays has been proposed. This beamformer structure is the combination of a blocking matrix (BM) and a multiple canceller (MC) system, with a new leaky adaptive constrained beamformer (LACB). Simulation results show that this beamformer structure allows as large as +/-30degrees target direction range while maintaining high interference reduction in the non-look direction. In addition, this method only requires a small number of microphones arranged in a small space. Even when the signal-to-noise-ratio (SNR) is 0 dB, it still performs extremely well in interference suppression near the target directional of arrival (DOA) region.

引用

页码：463 / 466

页数：4

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