Time-frequency masking for BSS problem using equilateral triangular microphone array

被引：0

作者：

Takenouchi, Y ^{[1
]}

Hamada, N ^{[1
]}

机构：

[1] Keio Univ, Sch Integrated Design Engn, Signal Proc Lab, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan

来源：

ISPACS 2005: PROCEEDINGS OF THE 2005 INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATION SYSTEMS | 2005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：

Recently, time-frequency masking algorithm has been interested as a method of BSS (Blind Source Separation) of speech mixtures [1] [2]. It is based on the property of speech signals called W-disjoint orthogonality. This paper aims to realize the omnidirectional BSS system with small computational cost and to provide high separation performance even for closely located sound sources. The time-frequency masking is applied to equilateral triangular array where the three delay estimates from each microphone pairs are obtained. These data are integrated to separate speech signals. To prove the efficiency of the method, some experimental results in real environment are shown.

引用

页码：185 / 188

页数：4

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