JP5526524B2 - 雑音抑圧装置及び雑音抑圧方法 - Google Patents

雑音抑圧装置及び雑音抑圧方法 Download PDF

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Publication number
JP5526524B2
JP5526524B2 JP2008274858A JP2008274858A JP5526524B2 JP 5526524 B2 JP5526524 B2 JP 5526524B2 JP 2008274858 A JP2008274858 A JP 2008274858A JP 2008274858 A JP2008274858 A JP 2008274858A JP 5526524 B2 JP5526524 B2 JP 5526524B2
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Japan
Prior art keywords
noise
gain
noise suppression
frame
ratio
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Expired - Fee Related
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JP2008274858A
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English (en)
Japanese (ja)
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JP2010102201A (ja
Inventor
恩彩 劉
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Yamaha Corp
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Yamaha Corp
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Priority to JP2008274858A priority Critical patent/JP5526524B2/ja
Priority to KR1020090101092A priority patent/KR101088558B1/ko
Priority to CN2009102055351A priority patent/CN101727911B/zh
Publication of JP2010102201A publication Critical patent/JP2010102201A/ja
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Publication of JP5526524B2 publication Critical patent/JP5526524B2/ja
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2008274858A 2008-10-24 2008-10-24 雑音抑圧装置及び雑音抑圧方法 Expired - Fee Related JP5526524B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008274858A JP5526524B2 (ja) 2008-10-24 2008-10-24 雑音抑圧装置及び雑音抑圧方法
KR1020090101092A KR101088558B1 (ko) 2008-10-24 2009-10-23 잡음 억압 장치 및 잡음 억압 방법
CN2009102055351A CN101727911B (zh) 2008-10-24 2009-10-26 噪声抑制装置及噪声抑制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008274858A JP5526524B2 (ja) 2008-10-24 2008-10-24 雑音抑圧装置及び雑音抑圧方法

Publications (2)

Publication Number Publication Date
JP2010102201A JP2010102201A (ja) 2010-05-06
JP5526524B2 true JP5526524B2 (ja) 2014-06-18

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JP2008274858A Expired - Fee Related JP5526524B2 (ja) 2008-10-24 2008-10-24 雑音抑圧装置及び雑音抑圧方法

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JP (1) JP5526524B2 (zh)
KR (1) KR101088558B1 (zh)
CN (1) CN101727911B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
CN104915930B (zh) * 2014-03-14 2019-05-28 深圳迈瑞生物医疗电子股份有限公司 对图像进行灰度补偿和噪声抑制的方法及装置
WO2016038704A1 (ja) * 2014-09-10 2016-03-17 三菱電機株式会社 雑音抑圧装置、雑音抑圧方法および雑音抑圧プログラム
JP6559576B2 (ja) 2016-01-05 2019-08-14 株式会社東芝 雑音抑圧装置、雑音抑圧方法及びプログラム
WO2017135484A1 (ko) * 2016-02-05 2017-08-10 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 냉각팬 가변장치
EP3312838A1 (en) 2016-10-18 2018-04-25 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for processing an audio signal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3454402B2 (ja) * 1996-11-28 2003-10-06 日本電信電話株式会社 帯域分割型雑音低減方法
JP3459363B2 (ja) * 1998-09-07 2003-10-20 日本電信電話株式会社 雑音低減処理方法、その装置及びプログラム記憶媒体
JP3454190B2 (ja) * 1999-06-09 2003-10-06 三菱電機株式会社 雑音抑圧装置および方法
JP2002140100A (ja) * 2000-11-02 2002-05-17 Matsushita Electric Ind Co Ltd 騒音抑圧装置
JP2002169599A (ja) * 2000-11-30 2002-06-14 Toshiba Corp ノイズ抑制方法及び電子機器
EP1376539B8 (en) * 2001-03-28 2010-12-15 Mitsubishi Denki Kabushiki Kaisha Noise suppressor
JP4520732B2 (ja) * 2003-12-03 2010-08-11 富士通株式会社 雑音低減装置、および低減方法
JP4162604B2 (ja) * 2004-01-08 2008-10-08 株式会社東芝 雑音抑圧装置及び雑音抑圧方法
JP4518817B2 (ja) * 2004-03-09 2010-08-04 日本電信電話株式会社 収音方法、収音装置、収音プログラム
US7957964B2 (en) 2004-12-28 2011-06-07 Pioneer Corporation Apparatus and methods for noise suppression in sound signals
KR100657948B1 (ko) * 2005-02-03 2006-12-14 삼성전자주식회사 음성향상장치 및 방법
JP4863713B2 (ja) * 2005-12-29 2012-01-25 富士通株式会社 雑音抑制装置、雑音抑制方法、及びコンピュータプログラム
US8275611B2 (en) 2007-01-18 2012-09-25 Stmicroelectronics Asia Pacific Pte., Ltd. Adaptive noise suppression for digital speech signals
JP5245714B2 (ja) * 2008-10-24 2013-07-24 ヤマハ株式会社 雑音抑圧装置及び雑音抑圧方法

Also Published As

Publication number Publication date
CN101727911A (zh) 2010-06-09
KR20100045934A (ko) 2010-05-04
JP2010102201A (ja) 2010-05-06
CN101727911B (zh) 2012-07-04
KR101088558B1 (ko) 2011-12-05

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