Presentation 2009-05-28
Wideband noise reduction method based on zero phase signal analysis
Yuki KAMAMORI, Arata KAWAMURA, Youji IIGUNI,
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Abstract(in English) In this paper, we investigate wideband noise reduction based on zero phase signal analysis. The zero phase signal is defined as the IDFT of amplitude spectra without phase spectra. The zero phase signal hence represents the periodicity of the amplitude spectra. We have proposed white noise and impulse noise reduction method as an application of the zero phase signal analysis. In this paper, we show that the zero phase signal analysis is available a general wideband noise reduction.
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Keyword(in English) Noise Reduction / Speech Enhancement / White Noise / Impulse Noise / Wideband Noise
Paper # EA2009-7,SIP2009-7,SP2009-12
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Committee SP
Conference Date 2009/5/21(1days)
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Language JPN
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Title (in English) Wideband noise reduction method based on zero phase signal analysis
Sub Title (in English)
Keyword(1) Noise Reduction
Keyword(2) Speech Enhancement
Keyword(3) White Noise
Keyword(4) Impulse Noise
Keyword(5) Wideband Noise
1st Author's Name Yuki KAMAMORI
1st Author's Affiliation Department of Systems Innovation Graduate School of Engineering Science, Osaka University()
2nd Author's Name Arata KAWAMURA
2nd Author's Affiliation Department of Systems Innovation Graduate School of Engineering Science, Osaka University
3rd Author's Name Youji IIGUNI
3rd Author's Affiliation Department of Systems Innovation Graduate School of Engineering Science, Osaka University
Date 2009-05-28
Paper # EA2009-7,SIP2009-7,SP2009-12
Volume (vol) vol.109
Number (no) 57
Page pp.pp.-
#Pages 4
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