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 PDFInfo
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- 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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- noise
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- noise suppression
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Images
Classifications
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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
Landscapes
- 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)
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 |
Family
ID=42273495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5526524B2 (zh) |
KR (1) | KR101088558B1 (zh) |
CN (1) | CN101727911B (zh) |
Families Citing this family (7)
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)
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 |
-
2008
- 2008-10-24 JP JP2008274858A patent/JP5526524B2/ja not_active Expired - Fee Related
-
2009
- 2009-10-23 KR KR1020090101092A patent/KR101088558B1/ko not_active IP Right Cessation
- 2009-10-26 CN CN2009102055351A patent/CN101727911B/zh not_active Expired - Fee Related
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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