KR101088627B1 - 잡음 억압 장치 및 잡음 억압 방법 - Google Patents

잡음 억압 장치 및 잡음 억압 방법 Download PDF

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Publication number
KR101088627B1
KR101088627B1 KR1020090101089A KR20090101089A KR101088627B1 KR 101088627 B1 KR101088627 B1 KR 101088627B1 KR 1020090101089 A KR1020090101089 A KR 1020090101089A KR 20090101089 A KR20090101089 A KR 20090101089A KR 101088627 B1 KR101088627 B1 KR 101088627B1
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South Korea
Prior art keywords
noise
gain
frame
noise suppression
input signal
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English (en)
Korean (ko)
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KR20100045933A (ko
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엔카이 리우
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야마하 가부시키가이샤
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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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020090101089A 2008-10-24 2009-10-23 잡음 억압 장치 및 잡음 억압 방법 Expired - Fee Related KR101088627B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2008-274772 2008-10-24
JP2008274772A JP5245714B2 (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
KR20100045933A KR20100045933A (ko) 2010-05-04
KR101088627B1 true KR101088627B1 (ko) 2011-11-30

Family

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KR1020090101089A Expired - Fee Related KR101088627B1 (ko) 2008-10-24 2009-10-23 잡음 억압 장치 및 잡음 억압 방법

Country Status (3)

Country Link
JP (1) JP5245714B2 (enExample)
KR (1) KR101088627B1 (enExample)
CN (1) CN101727910B (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5526524B2 (ja) * 2008-10-24 2014-06-18 ヤマハ株式会社 雑音抑圧装置及び雑音抑圧方法
KR101176207B1 (ko) 2010-10-18 2012-08-28 (주)트란소노 음성통신 시스템 및 음성통신 방법
KR101173980B1 (ko) 2010-10-18 2012-08-16 (주)트란소노 음성통신 기반 잡음 제거 시스템 및 그 방법
JP2012103395A (ja) * 2010-11-09 2012-05-31 Sony Corp 符号化装置、符号化方法、およびプログラム
CA2818210C (en) * 2010-12-08 2015-08-04 Widex A/S Hearing aid and a method of enhancing speech reproduction
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
CN106024008B (zh) * 2013-04-05 2020-01-14 杜比实验室特许公司 使用高级频谱延拓降低量化噪声的压扩装置和方法
CN104242850A (zh) * 2014-09-09 2014-12-24 联想(北京)有限公司 一种音频信号处理方法及电子设备
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
JP6707914B2 (ja) * 2016-03-08 2020-06-10 沖電気工業株式会社 ゲイン処理装置及びプログラム、並びに、音響信号処理装置及びプログラム
WO2022066590A1 (en) * 2020-09-23 2022-03-31 Dolby Laboratories Licensing Corporation Adaptive noise estimation

Citations (3)

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JP2005250266A (ja) 2004-03-05 2005-09-15 Nippon Telegr & Teleph Corp <Ntt> エコー抑圧方法、この方法を実施する装置、プログラムおよび記録媒体
US20080010063A1 (en) 2004-12-28 2008-01-10 Pioneer Corporation Noise Suppressing Device, Noise Suppressing Method, Noise Suppressing Program, and Computer Readable Recording Medium
US20080189104A1 (en) 2007-01-18 2008-08-07 Stmicroelectronics Asia Pacific Pte Ltd Adaptive noise suppression for digital speech signals

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Publication number Priority date Publication date Assignee Title
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
JP3269969B2 (ja) * 1996-05-21 2002-04-02 沖電気工業株式会社 背景雑音消去装置
US6507623B1 (en) * 1999-04-12 2003-01-14 Telefonaktiebolaget Lm Ericsson (Publ) Signal noise reduction by time-domain spectral subtraction
US6487257B1 (en) * 1999-04-12 2002-11-26 Telefonaktiebolaget L M Ericsson Signal noise reduction by time-domain spectral subtraction using fixed filters
JP3454206B2 (ja) * 1999-11-10 2003-10-06 三菱電機株式会社 雑音抑圧装置及び雑音抑圧方法
JP4583781B2 (ja) * 2003-06-12 2010-11-17 アルパイン株式会社 音声補正装置
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
US7492889B2 (en) * 2004-04-23 2009-02-17 Acoustic Technologies, Inc. Noise suppression based on bark band wiener filtering and modified doblinger noise estimate
US7454332B2 (en) * 2004-06-15 2008-11-18 Microsoft Corporation Gain constrained noise suppression
JPWO2005124739A1 (ja) * 2004-06-18 2008-04-17 松下電器産業株式会社 雑音抑圧装置および雑音抑圧方法
WO2008032828A1 (en) * 2006-09-15 2008-03-20 Panasonic Corporation Audio encoding device and audio encoding method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005250266A (ja) 2004-03-05 2005-09-15 Nippon Telegr & Teleph Corp <Ntt> エコー抑圧方法、この方法を実施する装置、プログラムおよび記録媒体
US20080010063A1 (en) 2004-12-28 2008-01-10 Pioneer Corporation Noise Suppressing Device, Noise Suppressing Method, Noise Suppressing Program, and Computer Readable Recording Medium
US20080189104A1 (en) 2007-01-18 2008-08-07 Stmicroelectronics Asia Pacific Pte Ltd Adaptive noise suppression for digital speech signals

Also Published As

Publication number Publication date
CN101727910B (zh) 2012-07-04
KR20100045933A (ko) 2010-05-04
JP5245714B2 (ja) 2013-07-24
CN101727910A (zh) 2010-06-09
JP2010102199A (ja) 2010-05-06

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