IL119226A - Method and apparatus for suppressing noise in a communication system - Google Patents

Method and apparatus for suppressing noise in a communication system

Info

Publication number
IL119226A
IL119226A IL11922696A IL11922696A IL119226A IL 119226 A IL119226 A IL 119226A IL 11922696 A IL11922696 A IL 11922696A IL 11922696 A IL11922696 A IL 11922696A IL 119226 A IL119226 A IL 119226A
Authority
IL
Israel
Prior art keywords
communication system
suppressing noise
suppressing
noise
communication
Prior art date
Application number
IL11922696A
Other languages
English (en)
Other versions
IL119226A0 (en
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of IL119226A0 publication Critical patent/IL119226A0/xx
Publication of IL119226A publication Critical patent/IL119226A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IL11922696A 1995-11-13 1996-09-09 Method and apparatus for suppressing noise in a communication system IL119226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/556,358 US5659622A (en) 1995-11-13 1995-11-13 Method and apparatus for suppressing noise in a communication system

Publications (2)

Publication Number Publication Date
IL119226A0 IL119226A0 (en) 1996-12-05
IL119226A true IL119226A (en) 2000-10-31

Family

ID=24221022

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11922696A IL119226A (en) 1995-11-13 1996-09-09 Method and apparatus for suppressing noise in a communication system

Country Status (16)

Country Link
US (1) US5659622A (de)
JP (1) JP3842821B2 (de)
KR (1) KR100286719B1 (de)
CN (1) CN1075692C (de)
AU (1) AU689403B2 (de)
BR (1) BR9607249A (de)
CA (1) CA2203917C (de)
DE (1) DE19681070C2 (de)
FI (1) FI115582B (de)
FR (1) FR2741217B1 (de)
GB (1) GB2313266B (de)
HU (1) HU219255B (de)
IL (1) IL119226A (de)
RU (1) RU2169992C2 (de)
SE (1) SE521679C2 (de)
WO (1) WO1997018647A1 (de)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN184794B (de) * 1993-09-14 2000-09-30 British Telecomm
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5881091A (en) * 1996-02-05 1999-03-09 Hewlett-Packard Company Spread spectrum linearization for digitizing receivers
JPH09326844A (ja) * 1996-06-03 1997-12-16 Mitsubishi Electric Corp 騒音低減通話装置及び騒音低減通話方法
KR100250561B1 (ko) 1996-08-29 2000-04-01 니시무로 타이죠 잡음소거기 및 이 잡음소거기를 사용한 통신장치
US5937377A (en) * 1997-02-19 1999-08-10 Sony Corporation Method and apparatus for utilizing noise reducer to implement voice gain control and equalization
US6104993A (en) * 1997-02-26 2000-08-15 Motorola, Inc. Apparatus and method for rate determination in a communication system
JPH10247098A (ja) * 1997-03-04 1998-09-14 Mitsubishi Electric Corp 可変レート音声符号化方法、可変レート音声復号化方法
US5893056A (en) * 1997-04-17 1999-04-06 Northern Telecom Limited Methods and apparatus for generating noise signals from speech signals
FR2765715B1 (fr) * 1997-07-04 1999-09-17 Sextant Avionique Procede de recherche d'un modele de bruit dans des signaux sonores bruites
KR19990020369A (ko) * 1997-08-30 1999-03-25 윤종용 무선 사설교환시스템에서 노이즈 제거 방법
FR2768544B1 (fr) * 1997-09-18 1999-11-19 Matra Communication Procede de detection d'activite vocale
TW333610B (en) * 1997-10-16 1998-06-11 Winbond Electronics Corp The phonetic detecting apparatus and its detecting method
DE19747885B4 (de) * 1997-10-30 2009-04-23 Harman Becker Automotive Systems Gmbh Verfahren zur Reduktion von Störungen akustischer Signale mittels der adaptiven Filter-Methode der spektralen Subtraktion
US6070137A (en) * 1998-01-07 2000-05-30 Ericsson Inc. Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
WO1999041737A1 (en) * 1998-02-17 1999-08-19 Motorola Inc. Method and apparatus for high speed determination of an optimum vector in a fixed codebook
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
US6073152A (en) * 1998-04-03 2000-06-06 Sarnoff Corporation Method and apparatus for filtering signals using a gamma delay line based estimation of power spectrum
US6088668A (en) * 1998-06-22 2000-07-11 D.S.P.C. Technologies Ltd. Noise suppressor having weighted gain smoothing
US6122610A (en) * 1998-09-23 2000-09-19 Verance Corporation Noise suppression for low bitrate speech coder
KR100281181B1 (ko) * 1998-10-16 2001-02-01 윤종용 약전계에서 코드 분할 다중 접속 시스템의 코덱 잡음 제거 방법
US6424938B1 (en) * 1998-11-23 2002-07-23 Telefonaktiebolaget L M Ericsson Complex signal activity detection for improved speech/noise classification of an audio signal
TWM253017U (en) 1999-02-03 2004-12-11 Matsushita Electric Industrial Co Ltd Emergency reporting apparatus emergency reporting network system
US6453291B1 (en) * 1999-02-04 2002-09-17 Motorola, Inc. Apparatus and method for voice activity detection in a communication system
US6618701B2 (en) 1999-04-19 2003-09-09 Motorola, Inc. Method and system for noise suppression using external voice activity detection
DE19920819C1 (de) * 1999-05-06 2000-10-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Schätzung von gedächtnisbehafteten Übertragungskanälen
GB9912577D0 (en) * 1999-05-28 1999-07-28 Mitel Corp Method of detecting silence in a packetized voice stream
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
US6157670A (en) * 1999-08-10 2000-12-05 Telogy Networks, Inc. Background energy estimation
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
US6366880B1 (en) * 1999-11-30 2002-04-02 Motorola, Inc. Method and apparatus for suppressing acoustic background noise in a communication system by equaliztion of pre-and post-comb-filtered subband spectral energies
BR0016127A (pt) * 1999-12-03 2002-08-06 Motorola Inc Método e aparelho para suprimir o ruìdo acústico de segundo plano em um sistema de comunicação
US6963546B2 (en) * 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
JP2001318694A (ja) * 2000-05-10 2001-11-16 Toshiba Corp 信号処理装置、信号処理方法および記録媒体
JP2002032096A (ja) 2000-07-18 2002-01-31 Matsushita Electric Ind Co Ltd 雑音区間／音声区間判定装置
JP4533517B2 (ja) * 2000-08-31 2010-09-01 株式会社東芝 信号処理方法および信号処理装置
US7277554B2 (en) 2001-08-08 2007-10-02 Gn Resound North America Corporation Dynamic range compression using digital frequency warping
WO2003063160A1 (en) * 2002-01-25 2003-07-31 Koninklijke Philips Electronics N.V. Method and unit for substracting quantization noise from a pcm signal
US7299173B2 (en) * 2002-01-30 2007-11-20 Motorola Inc. Method and apparatus for speech detection using time-frequency variance
RU2206960C1 (ru) * 2002-06-24 2003-06-20 Общество с ограниченной ответственностью "Центр речевых технологий" Способ подавления шума в информационном сигнале и устройство для его осуществления
US7283956B2 (en) * 2002-09-18 2007-10-16 Motorola, Inc. Noise suppression
US7343283B2 (en) * 2002-10-23 2008-03-11 Motorola, Inc. Method and apparatus for coding a noise-suppressed audio signal
RU2251811C2 (ru) * 2003-01-30 2005-05-10 Казанский государственный технический университет им. А.Н. Туполева Устройство разрешения сигналов на фоне произвольной помехи
US7809150B2 (en) * 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
US20080281589A1 (en) * 2004-06-18 2008-11-13 Matsushita Electric Industrail Co., Ltd. Noise Suppression Device and Noise Suppression Method
RU2269205C1 (ru) * 2004-07-06 2006-01-27 Казанский государственный технический университет им. А.Н. Туполева Устройство разрешения радиоимпульсных сигналов на фоне произвольной помехи
WO2006049052A1 (ja) * 2004-11-02 2006-05-11 Matsushita Electric Industrial Co., Ltd. 雑音抑圧装置
KR20060091970A (ko) * 2005-02-16 2006-08-22 엘지전자 주식회사 이동통신단말기에서의 신호 대 잡음비 개선 방법 및 그 이동통신단말기
US20060184363A1 (en) * 2005-02-17 2006-08-17 Mccree Alan Noise suppression
WO2006097886A1 (en) * 2005-03-16 2006-09-21 Koninklijke Philips Electronics N.V. Noise power estimation
US7983906B2 (en) * 2005-03-24 2011-07-19 Mindspeed Technologies, Inc. Adaptive voice mode extension for a voice activity detector
US7596099B2 (en) * 2005-08-22 2009-09-29 Motorola, Inc. Method and apparatus for managing a communication link
EP1921609B1 (de) 2005-09-02 2014-07-16 NEC Corporation Rauschunterdrückungsverfahren und vorrichtung und computerprogramm
CN101300623B (zh) 2005-09-02 2011-07-27 日本电气株式会社 用于抑制噪声的方法、设备和计算机程序
US8116473B2 (en) 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US7555075B2 (en) * 2006-04-07 2009-06-30 Freescale Semiconductor, Inc. Adjustable noise suppression system
KR100883652B1 (ko) * 2006-08-03 2009-02-18 삼성전자주식회사 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템
US8060363B2 (en) * 2007-02-13 2011-11-15 Nokia Corporation Audio signal encoding
US7873114B2 (en) * 2007-03-29 2011-01-18 Motorola Mobility, Inc. Method and apparatus for quickly detecting a presence of abrupt noise and updating a noise estimate
US7809129B2 (en) * 2007-08-31 2010-10-05 Motorola, Inc. Acoustic echo cancellation based on noise environment
CN100556162C (zh) * 2007-09-13 2009-10-28 中兴通讯股份有限公司 一种实现明密话切换后媒体流的无损传输方法及系统
JP5461421B2 (ja) * 2007-12-07 2014-04-02 アギア システムズ インコーポレーテッド 保留音楽のエンドユーザ制御
RU2416876C2 (ru) * 2008-02-04 2011-04-20 Владимир Алексеевич Гарбузов Способ обработки аддитивной смеси сигнала и белого шума
CN100550133C (zh) * 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
PT2410522T (pt) 2008-07-11 2018-01-09 Fraunhofer Ges Forschung Codificador de sinal de áudio, método para codificar um sinal de áudio e programa de computador
CN101770776B (zh) 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
CN102044241B (zh) * 2009-10-15 2012-04-04 华为技术有限公司 一种实现通信系统中背景噪声的跟踪的方法和装置
EP2490214A4 (de) * 2009-10-15 2012-10-24 Huawei Tech Co Ltd Verfahren, vorrichtung und system zur signalverarbeitung
PT2491559E (pt) * 2009-10-19 2015-05-07 Ericsson Telefon Ab L M Método e estimador de fundo para a detecção de actividade de voz
US9729976B2 (en) * 2009-12-22 2017-08-08 Starkey Laboratories, Inc. Acoustic feedback event monitoring system for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
CN102376303B (zh) * 2010-08-13 2014-03-12 国基电子（上海）有限公司 录音设备及利用该录音设备进行声音处理与录入的方法
PT3493205T (pt) 2010-12-24 2021-02-03 Huawei Tech Co Ltd Método e aparelho para detetar de forma adaptativa uma atividade de voz num sinal de áudio de entrada
MX2013009344A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral.
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CA2827277C (en) 2011-02-14 2016-08-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Linear prediction based coding scheme using spectral domain noise shaping
EP3239978B1 (de) 2011-02-14 2018-12-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von pulspositionen von spuren eines audiosignals
WO2012110447A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
BR112012029132B1 (pt) 2011-02-14 2021-10-05 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V Representação de sinal de informações utilizando transformada sobreposta
CA2903681C (en) * 2011-02-14 2017-03-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Audio codec using noise synthesis during inactive phases
JP5480226B2 (ja) * 2011-11-29 2014-04-23 株式会社東芝 信号処理装置および信号処理方法
US8712769B2 (en) 2011-12-19 2014-04-29 Continental Automotive Systems, Inc. Apparatus and method for noise removal by spectral smoothing
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
EP3152756B1 (de) * 2014-06-09 2019-10-23 Dolby Laboratories Licensing Corporation Geräuschpegelschätzung
JP6208377B2 (ja) * 2014-07-29 2017-10-04 テレフオンアクチーボラゲット エルエム エリクソン（パブル） オーディオ信号における背景雑音の推定
GB201617016D0 (en) * 2016-09-09 2016-11-23 Continental automotive systems inc Robust noise estimation for speech enhancement in variable noise conditions
US10681458B2 (en) 2018-06-11 2020-06-09 Cirrus Logic, Inc. Techniques for howling detection
KR102242457B1 (ko) * 2019-08-08 2021-04-19 주식회사 에스원 Uwb 모듈레이션을 통한 노이즈 추정방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654884A (en) * 1984-05-10 1987-03-31 Alps Electric Co., Ltd. Radio receiver with switching circuit for elimination of intermodulation interference
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
IT1216224B (it) * 1986-03-28 1990-02-22 Giuliani Marcello Complesso pneumatico per la pulitura e l'allontanamento di polveri, fibrille e cascami vari dalle carde laniere e cotoniere dell'industria tessile
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
SU1660188A1 (ru) * 1988-09-08 1991-06-30 Предприятие П/Я Р-6510 Адаптивное устройство компенсации помех в речевом сигнале
US5267322A (en) * 1991-12-13 1993-11-30 Digital Sound Corporation Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization
US5475686A (en) * 1992-12-28 1995-12-12 Motorola, Inc. Method and apparatus for transferring data in a communication system
DE69428119T2 (de) * 1993-07-07 2002-03-21 Picturetel Corp., Peabody Verringerung des hintergrundrauschens zur sprachverbesserung

Also Published As

Publication number Publication date
FI115582B (fi) 2005-05-31
CN1075692C (zh) 2001-11-28
FI972852A0 (fi) 1997-07-03
RU2169992C2 (ru) 2001-06-27
JPH10513030A (ja) 1998-12-08
IL119226A0 (en) 1996-12-05
FR2741217B1 (fr) 2004-08-20
US5659622A (en) 1997-08-19
SE9701659D0 (sv) 1997-05-02
CN1168204A (zh) 1997-12-17
FR2741217A1 (fr) 1997-05-16
WO1997018647A1 (en) 1997-05-22
GB2313266A (en) 1997-11-19
HK1005112A1 (en) 1998-12-24
HUP9800843A2 (hu) 1998-07-28
SE9701659L (sv) 1997-09-12
HU219255B (en) 2001-03-28
GB9713727D0 (en) 1997-09-03
BR9607249A (pt) 1997-12-30
DE19681070C2 (de) 2002-10-24
GB2313266B (en) 2000-01-26
CA2203917A1 (en) 1997-05-14
KR19980701399A (ko) 1998-05-15
JP3842821B2 (ja) 2006-11-08
AU689403B2 (en) 1998-03-26
KR100286719B1 (ko) 2001-04-16
SE521679C2 (sv) 2003-11-25
AU1758497A (en) 1997-06-05
HUP9800843A3 (en) 1999-03-29
DE19681070T1 (de) 1998-02-26
CA2203917C (en) 2000-06-27
FI972852A7 (fi) 1997-07-03

Similar Documents

Publication Publication Date Title
IL119226A0 (en) Method and apparatus for suppressing noise in a communication system
GB2297885B (en) Apparatus and method for use in a mobile communication system
KR100231281B1 (en) Method and apparatus for communication handover in a communication system
GB2332112B (en) Method and apparatus for location finding in a communication system
HU9602260D0 (en) Method and apparatus for mitigating interference in a communication system
IL130615A (en) Apparatus and method for rate determination in a communication system
IL118170A0 (en) Method and apparatus for authentication in a communication system
GB2305088B (en) Method and device for performing signal decision in a communication system
IL116868A0 (en) Method and apparatus for mitigating interference produced by a communication unit in a communication system
GB0108500D0 (en) Communication method and apparatus
GB9515501D0 (en) Communication method and apparatus
GB2294614B (en) Communication method and apparatus
IL121370A0 (en) Method and apparatus for maintaining call quality in a communication system
EP0723374A4 (de) Kommunikationsverfahren und vorrichtung dafür
PL320857A1 (en) Communication method and apparatus
GB2301268B (en) Interface apparatus and method in a mobile communication system
GB2307826B (en) Communication method and apparatus
IL112164A0 (en) Method and apparatus for mitigating audio degradation in a communication system
IL124578A0 (en) Apparatus and method for non-linear processing in a communication system
GB9512283D0 (en) Communication method and apparatus
GB2343822B (en) Method and apparatus for speech enhancement in a speech communication system
GB9717149D0 (en) Communications method and apparatus
HK1005112B (en) Method and apparatus for suppressing noise in a communication system
GB2319142B (en) A method of base-site selection in a communications system and apparatus
IL136999A0 (en) Communication apparatus and method

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
HP Change in proprietorship

Owner name: MOTOROLA MOBILITY, INC.

Free format text: FORMER OWNER:MOTOROLA, INC.

KB Patent renewed
EXP Patent expired