DE69421792D1 - Verfahren und Vorrichtung zur Geräuschreduzierung sowie Telefon - Google Patents

Verfahren und Vorrichtung zur Geräuschreduzierung sowie Telefon

Info

Publication number
DE69421792D1
DE69421792D1 DE69421792T DE69421792T DE69421792D1 DE 69421792 D1 DE69421792 D1 DE 69421792D1 DE 69421792 T DE69421792 T DE 69421792T DE 69421792 T DE69421792 T DE 69421792T DE 69421792 D1 DE69421792 D1 DE 69421792D1
Authority
DE
Germany
Prior art keywords
telephone
noise reduction
noise
reduction
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.)
Expired - Fee Related
Application number
DE69421792T
Other languages
English (en)
Other versions
DE69421792T2 (de
Inventor
Keiichi Katayanagi
Masayuki Nishiguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69421792D1 publication Critical patent/DE69421792D1/de
Publication of DE69421792T2 publication Critical patent/DE69421792T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE69421792T 1993-12-25 1994-12-22 Verfahren und Vorrichtung zur Geräuschreduzierung sowie Telefon Expired - Fee Related DE69421792T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69421792D1 true DE69421792D1 (de) 1999-12-30
DE69421792T2 DE69421792T2 (de) 2000-08-10

Family

ID=18390438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421792T Expired - Fee Related DE69421792T2 (de) 1993-12-25 1994-12-22 Verfahren und Vorrichtung zur Geräuschreduzierung sowie Telefon

Country Status (8)

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

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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
KR970078099A (ko) * 1996-05-03 1997-12-12 존 에이취. 무어 동적 반향 억제 기능을 구비한 통신 장치
WO1998043238A1 (en) * 1997-03-25 1998-10-01 The Secretary Of State For Defence Speech analysis system
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
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KR20000047944A (ko) * 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법
AU2759200A (en) * 1999-02-10 2000-08-29 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
JP3961290B2 (ja) * 1999-09-30 2007-08-22 富士通株式会社 雑音抑圧装置
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
US7096184B1 (en) * 2001-12-18 2006-08-22 The United States Of America As Represented By The Secretary Of The Army Calibrating audiometry stimuli
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
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
US20090299755A1 (en) * 2006-03-20 2009-12-03 France Telecom Method for Post-Processing a Signal in an Audio Decoder
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
ES2654318T3 (es) * 2007-07-27 2018-02-13 Stichting Vumc Supresión de ruido en señales de voz
KR101235830B1 (ko) * 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
JP5012995B2 (ja) * 2008-03-24 2012-08-29 株式会社Ｊｖｃケンウッド オーディオ信号処理装置及びオーディオ信号処理方法
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
JPWO2012070670A1 (ja) * 2010-11-25 2014-05-19 日本電気株式会社 信号処理装置、信号処理方法、及び信号処理プログラム
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
US10930276B2 (en) * 2017-07-12 2021-02-23 Universal Electronics Inc. Apparatus, system and method for directing voice input in a controlling device
US11489691B2 (en) 2017-07-12 2022-11-01 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
WO2022190245A1 (ja) * 2021-03-10 2022-09-15 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
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

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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
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
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DE69121312T2 (de) * 1990-05-28 1997-01-02 Matsushita Electric Ind Co Ltd Geräuschsignalvorhersagevorrichtung
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

Also Published As

Publication number Publication date
DE69421792T2 (de) 2000-08-10
EP0661689A3 (de) 1995-10-25
MY131662A (en) 2007-08-30
KR950022201A (ko) 1995-07-28
CN1115528A (zh) 1996-01-24
US5687285A (en) 1997-11-11
TW272343B (de) 1996-03-11
EP0661689B1 (de) 1999-11-24
CN1106091C (zh) 2003-04-16
EP0661689A2 (de) 1995-07-05
JPH07193548A (ja) 1995-07-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee