KR950022201A - 잡음 저감 처리 방법 - Google Patents

잡음 저감 처리 방법 Download PDF

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Publication number
KR950022201A
KR950022201A KR1019940036550A KR19940036550A KR950022201A KR 950022201 A KR950022201 A KR 950022201A KR 1019940036550 A KR1019940036550 A KR 1019940036550A KR 19940036550 A KR19940036550 A KR 19940036550A KR 950022201 A KR950022201 A KR 950022201A
Authority
KR
South Korea
Prior art keywords
noise reduction
noise
reduction processing
signal
level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
KR1019940036550A
Other languages
English (en)
Korean (ko)
Inventor
게이이찌 가따야나기
마사유끼 니시구찌
Original Assignee
오오가 노리오
소니 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR950022201A publication Critical patent/KR950022201A/ko
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Telephone Function (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
KR1019940036550A 1993-12-25 1994-12-24 잡음 저감 처리 방법 Abandoned KR950022201A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-347469 1993-12-25
JP5347469A JPH07193548A (ja) 1993-12-25 1993-12-25 雑音低減処理方法

Publications (1)

Publication Number Publication Date
KR950022201A true KR950022201A (ko) 1995-07-28

Family

ID=18390438

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940036550A Abandoned KR950022201A (ko) 1993-12-25 1994-12-24 잡음 저감 처리 방법

Country Status (8)

Country Link
US (1) US5687285A (enExample)
EP (1) EP0661689B1 (enExample)
JP (1) JPH07193548A (enExample)
KR (1) KR950022201A (enExample)
CN (1) CN1106091C (enExample)
DE (1) DE69421792T2 (enExample)
MY (1) MY131662A (enExample)
TW (1) TW272343B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970078099A (ko) * 1996-05-03 1997-12-12 존 에이취. 무어 동적 반향 억제 기능을 구비한 통신 장치

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JP3483695B2 (ja) * 1996-03-14 2004-01-06 株式会社リコー 音声通信装置
JP2001520764A (ja) * 1997-03-25 2001-10-30 イギリス国 スピーチ分析システム
FR2761800A1 (fr) * 1997-04-02 1998-10-09 Scanera Sc Dispositif de transmission de voix et telephone le mettant en oeuvre
FR2765715B1 (fr) * 1997-07-04 1999-09-17 Sextant Avionique Procede de recherche d'un modele de bruit dans des signaux sonores bruites
WO1999052097A1 (fr) * 1998-04-02 1999-10-14 Scanera S.C. Dispositif et procede de communication
US6377680B1 (en) * 1998-07-14 2002-04-23 At&T Corp. Method and apparatus for noise cancellation
US6453289B1 (en) 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
SE513113C2 (sv) * 1998-11-11 2000-07-10 Ericsson Telefon Ab L M Metod och anordning för maximering av kvoten mellan signal och kvantiseringsbrus vid AD omvandling av en multicarrier- - signal
KR20000047944A (ko) * 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법
WO2000048168A2 (en) * 1999-02-10 2000-08-17 Resound Corporation Adaptive noise filter
FR2794322B1 (fr) * 1999-05-27 2001-06-22 Sagem Procede de suppression de bruit
JP2001016057A (ja) 1999-07-01 2001-01-19 Matsushita Electric Ind Co Ltd 音響装置
DE19944467C2 (de) * 1999-09-16 2002-06-06 Siemens Audiologische Technik Verfahren zur Reduzierung von akustischen Störsignalen
WO2001024167A1 (en) * 1999-09-30 2001-04-05 Fujitsu Limited Noise suppressor
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
DE19957220A1 (de) * 1999-11-27 2001-06-21 Alcatel Sa An den aktuellen Geräuschpegel adaptierte Geräuschunterdrückung
DE10114015C2 (de) * 2001-03-22 2003-02-27 Siemens Audiologische Technik Verfahren zum Betrieb eines Hörhilfe- und/oder Gehörschutzgerätes sowie Hörhilfe- und/oder Gehörschutzgerät
US20040146168A1 (en) * 2001-12-03 2004-07-29 Rafik Goubran Adaptive sound scrambling system and method
US7149684B1 (en) 2001-12-18 2006-12-12 The United States Of America As Represented By The Secretary Of The Army Determining speech reception threshold
US7096184B1 (en) * 2001-12-18 2006-08-22 The United States Of America As Represented By The Secretary Of The Army Calibrating audiometry stimuli
US7295976B2 (en) * 2002-01-25 2007-11-13 Acoustic Technologies, Inc. Voice activity detector for telephone
US20040196984A1 (en) * 2002-07-22 2004-10-07 Dame Stephen G. Dynamic noise suppression voice communication device
JP3979209B2 (ja) 2002-07-23 2007-09-19 オムロン株式会社 データ入力方法およびデータ入力装置
US6823176B2 (en) * 2002-09-23 2004-11-23 Sony Ericsson Mobile Communications Ab Audio artifact noise masking
JP3523243B1 (ja) * 2002-10-01 2004-04-26 沖電気工業株式会社 ノイズ低減装置
JP2004297273A (ja) * 2003-03-26 2004-10-21 Kenwood Corp 音声信号雑音除去装置、音声信号雑音除去方法及びプログラム
CN100384194C (zh) * 2003-06-24 2008-04-23 陈伟 自适应抗噪全数字指令扩音电话机
US8073148B2 (en) * 2005-07-11 2011-12-06 Samsung Electronics Co., Ltd. Sound processing apparatus and method
JP4210859B2 (ja) * 2005-10-31 2009-01-21 ソニー株式会社 周波数特性およびインパルス応答の立ち上がり時点の測定方法と、音場補正装置
JP5457171B2 (ja) * 2006-03-20 2014-04-02 オランジュ オーディオデコーダ内で信号を後処理する方法
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
JP4753821B2 (ja) 2006-09-25 2011-08-24 富士通株式会社 音信号補正方法、音信号補正装置及びコンピュータプログラム
JP4827675B2 (ja) * 2006-09-25 2011-11-30 三洋電機株式会社 低周波帯域音声復元装置、音声信号処理装置および録音機器
GB0703275D0 (en) * 2007-02-20 2007-03-28 Skype Ltd Method of estimating noise levels in a communication system
US20080312916A1 (en) * 2007-06-15 2008-12-18 Mr. Alon Konchitsky Receiver Intelligibility Enhancement System
WO2009017392A1 (en) * 2007-07-27 2009-02-05 Vu Medisch Centrum Noise suppression in speech signals
KR101235830B1 (ko) 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
ATE546812T1 (de) * 2008-03-24 2012-03-15 Victor Company Of Japan Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung
CN101859568B (zh) * 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
CN101986386B (zh) * 2009-07-29 2012-09-26 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
US8364298B2 (en) * 2009-07-29 2013-01-29 International Business Machines Corporation Filtering application sounds
CN103238180A (zh) * 2010-11-25 2013-08-07 日本电气株式会社 信号处理设备、信号处理方法及信号处理程序
KR20120080409A (ko) * 2011-01-07 2012-07-17 삼성전자주식회사 잡음 구간 판별에 의한 잡음 추정 장치 및 방법
CN104658546B (zh) * 2013-11-19 2019-02-01 腾讯科技（深圳）有限公司 录音处理方法和装置
CN104581538B (zh) * 2015-01-28 2018-03-02 三星电子（中国）研发中心 消除噪音的方法和装置
JP2017076113A (ja) * 2015-09-23 2017-04-20 マーベル ワールド トレード リミテッド 急峻ノイズの抑制
JP6480303B2 (ja) * 2015-11-06 2019-03-06 大井電気株式会社 無線装置
US11489691B2 (en) 2017-07-12 2022-11-01 Universal Electronics Inc. Apparatus, system and method for directing voice input in a controlling device
US10930276B2 (en) * 2017-07-12 2021-02-23 Universal Electronics Inc. Apparatus, system and method for directing voice input in a controlling device
CN111724800B (zh) * 2020-06-18 2023-05-12 长沙深之瞳信息科技有限公司 一种摩尔斯码音频降噪方法及使用该方法的降噪耳机
JP7345702B2 (ja) * 2021-03-10 2023-09-15 三菱電機株式会社 騒音抑圧装置、騒音抑圧方法、及び騒音抑圧プログラム
CN113676667B (zh) * 2021-08-23 2023-08-18 Oppo广东移动通信有限公司 抑制比测试方法、装置、电子设备和存储介质
CN116405828A (zh) * 2022-01-06 2023-07-07 英属开曼群岛商迪芬尼环球股份有限公司 声音讯号处理方法及声音讯号处理系统
CN114554353B (zh) * 2022-02-24 2024-01-16 北京小米移动软件有限公司 音频处理方法、装置、设备及存储介质
CN121219772A (zh) * 2023-05-04 2025-12-26 三星电子株式会社 电子设备及其控制方法

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US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4747143A (en) * 1985-07-12 1988-05-24 Westinghouse Electric Corp. Speech enhancement system having dynamic gain control
JPH0748695B2 (ja) * 1986-05-23 1995-05-24 株式会社日立製作所 音声符号化方式
US4887299A (en) * 1987-11-12 1989-12-12 Nicolet Instrument Corporation Adaptive, programmable signal processing hearing aid
US4847897A (en) * 1987-12-11 1989-07-11 American Telephone And Telegraph Company Adaptive expander for telephones
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DE69124005T2 (de) * 1990-05-28 1997-07-31 Matsushita Electric Ind Co Ltd Sprachsignalverarbeitungsvorrichtung
US5285502A (en) * 1992-03-31 1994-02-08 Auditory System Technologies, Inc. Aid to hearing speech in a noisy environment
US5323337A (en) * 1992-08-04 1994-06-21 Loral Aerospace Corp. Signal detector employing mean energy and variance of energy content comparison for noise detection
US5432859A (en) * 1993-02-23 1995-07-11 Novatel Communications Ltd. Noise-reduction system
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970078099A (ko) * 1996-05-03 1997-12-12 존 에이취. 무어 동적 반향 억제 기능을 구비한 통신 장치

Also Published As

Publication number Publication date
MY131662A (en) 2007-08-30
EP0661689B1 (en) 1999-11-24
EP0661689A2 (en) 1995-07-05
CN1115528A (zh) 1996-01-24
DE69421792T2 (de) 2000-08-10
EP0661689A3 (en) 1995-10-25
TW272343B (enExample) 1996-03-11
US5687285A (en) 1997-11-11
CN1106091C (zh) 2003-04-16
DE69421792D1 (de) 1999-12-30
JPH07193548A (ja) 1995-07-28

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