MULTI-SOURCE TDOA ESTIMATION USING SNR-BASED ANGULAR SPECTRA

被引：0

作者：

Blandin, Charles ^{[1
]}

Vincent, Emmanuel ^{[1
]}

Ozerov, Alexey ^{[1
]}

机构：

[1] INRIA, Ctr Rennes Bretagne Atlantique, F-35042 Rennes, France

来源：

2011 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2011年

关键词：

Multiple source localization; TDOA estimation; signal-to-noise ratio; angular spectrum;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper deals with the localization of multiple sources from two-channel mixtures recorded in a reverberant environment. We introduce new angular spectrum-based methods relying on the signal-to-noise ratio (SNR) to estimate the time difference of arrival (TDOA) of each source. We propose and compare five ways of estimating the SNR in each time-frequency point and in each direction, using beamforming techniques and statistical models. Large-scale evaluation considering a high number of situations shows the effectiveness of the proposed approach compared to state-of-the-art angular spectrum-based techniques.

引用

页码：2616 / 2619

页数：4

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