Speech enhancement with ad-hoc microphone array using single source activity

被引：0

作者：

Sakanashi, Ryutaro ^{[1
]}

Ono, Nobutaka ^{[2
]}

Miyabe, Shigeki ^{[1
]}

Yamada, Takeshi ^{[1
]}

Makino, Shoji ^{[1
]}

机构：

[1] Univ Tsukuba, Grad Sch Syst & Informat Engn, Tsukuba, Ibaraki 305, Japan

[2] Grad Univ Adv Studies SOKENDAI, Natl Inst Informat, Sch Multidiscplinary Sci, Hayama, Japan

来源：

2013 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA) | 2013年

关键词：

SEPARATION;

D O I：

暂无

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：

In this paper, we propose a method for synchronizing asynchronous channels in an ad-hoc microphone array based on single source activity for speech enhancement. An ad-hoc microphone array can include multiple recording devices, which do not communicate with each other. Therefore, their synchronization is a significant issue when using the conventional microphone array technique. We here assume that we know two or more segments (typically the beginning and the end of the recording) where only the sound source is active. Based on this situation, we compensate for the difference between the start and end of the recording and the sampling frequency mismatch. We also describe experimental results for speech enhancement with a maximum SNR beamformer.

引用

页数：6

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