Presentation 2014-01-28
Speech enhancement using amplitude-spectrum beamformer for an asynchronous distributed microphone array
Tatsuya KAKO, Kazunori KOBAYAHSI, Hitoshi OHMURO,
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Abstract(in English) Speech enhancement performance significantly degrades when the analog-to-digital converters of the different microphones sample at different sampling rates. In this paper, Speech enhancement method is proposed using amplitude-spectrum beamformer for an asynchronous distributed microphone array. This proposing method is based on the speech sparseness on the amplitude-spectrum plane. Several experimental results in an actual environment are shown to confirm a performance of the proposed method.
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Keyword(in English) asynchronous recording / distributed microphone array / speech enhancement / noise reduction
Paper # EA2013-112
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Committee EA
Conference Date 2014/1/20(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Speech enhancement using amplitude-spectrum beamformer for an asynchronous distributed microphone array
Sub Title (in English)
Keyword(1) asynchronous recording
Keyword(2) distributed microphone array
Keyword(3) speech enhancement
Keyword(4) noise reduction
1st Author's Name Tatsuya KAKO
1st Author's Affiliation Nippon Telegraph and Telephone Corporation, NTT Media Intelligence Laboratories()
2nd Author's Name Kazunori KOBAYAHSI
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation, NTT Media Intelligence Laboratories
3rd Author's Name Hitoshi OHMURO
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation, NTT Media Intelligence Laboratories
Date 2014-01-28
Paper # EA2013-112
Volume (vol) vol.113
Number (no) 413
Page pp.pp.-
#Pages 6
Date of Issue