Presentation 2006-05-25
Improvement of DOA estimation by MUSIC method in real environment
Toshiaki OI, Kenji SUYAMA,
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Abstract(in English) High accuracy estimation of DOA with MUSIC method using microphone array is difficult due to noise and reverberation in office rooms. Therefore, various methods have been proposed to improve the estimation accuracy. We propose a new method using three preprocessor for received signal of microphone array to imrove the estimation accuracy. The first processor is to apply the adaptive filter to reduce room reverberation, the second and third processor utilizes the filter bank and the different frame length to improve accuracy of frequency transformation. It was shown that the proposed method improved the DOA estimation acucuracy in real environment.
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Keyword(in English) microphone array / DOA estimation / adaptive filter / filter bank
Paper # EA2006-10,SIP2006-14
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Committee EA
Conference Date 2006/5/18(1days)
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Paper Information
Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Improvement of DOA estimation by MUSIC method in real environment
Sub Title (in English)
Keyword(1) microphone array
Keyword(2) DOA estimation
Keyword(3) adaptive filter
Keyword(4) filter bank
1st Author's Name Toshiaki OI
1st Author's Affiliation Department of Electrical Engineering, School of Engineering, Tokyo DENKI University()
2nd Author's Name Kenji SUYAMA
2nd Author's Affiliation Department of Electrical Engineering, School of Engineering, Tokyo DENKI University
Date 2006-05-25
Paper # EA2006-10,SIP2006-14
Volume (vol) vol.106
Number (no) 64
Page pp.pp.-
#Pages 6
Date of Issue