ROBUST DOA ESTIMATION OF SPEECH SIGNALS VIA SPARSITY MODELS USING MICROPHONE ARRAYS

被引：0

作者：

Cagli, Eleonora ^{[1
]}

Carrera, Diego ^{[1
]}

Aletti, Giacomo ^{[1
]}

Naldi, Giovanni ^{[1
]}

Rossi, Beatrice ^{[2
]}

机构：

[1] Univ Milan, Dept Math, Milan, Italy

[2] STMicroelectronics, AST Lab, Agrate Brianza, MB, Italy

来源：

2013 IEEE WORKSHOP ON APPLICATIONS OF SIGNAL PROCESSING TO AUDIO AND ACOUSTICS (WASPAA) | 2013年

关键词：

Direction-of-arrival (DOA) estimation; speech signals; microphone arrays; sparse representation;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Direction-of-arrival (DOA) estimation of speech signals using a set of spatially separated microphones in an array is a problem arising in many practical applications. Examples include human computer interfaces, automatic camera-steering systems for multipartecipant videoconferencing, and tracking systems in smart home environments. This paper introduces a robust method for speech signals localization which makes use of sparsity models for signal representation, and includes an analysis of the denoising problem for realistic applications using MEMS microphone arrays. Experimental results on both synthetic and real speech data show that the proposed method is noise-robust and provides high reliable localization performances even in case of multiple sources and small number of microphones.

引用

页数：4

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