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FI955086A7 - Förfarande och anordningar för dämpning av brus i talsignaler och motsvarande med eliminering av eko försett system - Google Patents

Förfarande och anordningar för dämpning av brus i talsignaler och motsvarande med eliminering av eko försett system Download PDF

Info

Publication number
FI955086A7
FI955086A7 FI955086A FI955086A FI955086A7 FI 955086 A7 FI955086 A7 FI 955086A7 FI 955086 A FI955086 A FI 955086A FI 955086 A FI955086 A FI 955086A FI 955086 A7 FI955086 A7 FI 955086A7
Authority
FI
Finland
Prior art keywords
speech signal
echo cancellation
suppressing noise
corresponding echo
suppressing
Prior art date
Application number
FI955086A
Other languages
English (en)
Finnish (fi)
Other versions
FI955086A0 (sv
Inventor
Ivan Bourmeyster
Frederic Lejay
Original Assignee
Alcatel Mobile Comm France
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 Alcatel Mobile Comm France filed Critical Alcatel Mobile Comm France
Publication of FI955086A0 publication Critical patent/FI955086A0/sv
Publication of FI955086A7 publication Critical patent/FI955086A7/sv

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FI955086A 1994-10-28 1995-10-25 Förfarande och anordningar för dämpning av brus i talsignaler och motsvarande med eliminering av eko försett system FI955086A7 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9412964A FR2726392B1 (fr) 1994-10-28 1994-10-28 Procede et dispositif de suppression de bruit dans un signal de parole, et systeme avec annulation d'echo correspondant

Publications (2)

Publication Number Publication Date
FI955086A0 FI955086A0 (sv) 1995-10-25
FI955086A7 true FI955086A7 (sv) 1996-04-29

Family

ID=9468340

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955086A FI955086A7 (sv) 1994-10-28 1995-10-25 Förfarande och anordningar för dämpning av brus i talsignaler och motsvarande med eliminering av eko försett system

Country Status (10)

Country Link
US (1) US5680393A (sv)
EP (1) EP0710947B1 (sv)
JP (2) JPH08213936A (sv)
AT (1) ATE230890T1 (sv)
AU (1) AU698081B2 (sv)
CA (1) CA2161575A1 (sv)
DE (1) DE69529328T2 (sv)
FI (1) FI955086A7 (sv)
FR (1) FR2726392B1 (sv)
NZ (1) NZ280224A (sv)

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FR2729804B1 (fr) * 1995-01-24 1997-04-04 Matra Communication Annuleur d'echo acoustique a filtre adaptatif et passage dans le domaine frequentiel
JP2921472B2 (ja) * 1996-03-15 1999-07-19 日本電気株式会社 音声および雑音の除去装置、音声認識装置
US6278744B1 (en) 1996-11-15 2001-08-21 Conexant Systems, Inc. System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
US6192087B1 (en) 1996-11-15 2001-02-20 Conexant Systems, Inc. Method and apparatus for spectral shaping in signal-point limited transmission systems
US5933495A (en) * 1997-02-07 1999-08-03 Texas Instruments Incorporated Subband acoustic noise suppression
JP3361724B2 (ja) * 1997-06-11 2003-01-07 沖電気工業株式会社 エコーキャンセラ装置
IL121555A (en) * 1997-08-14 2008-07-08 Silentium Ltd Active acoustic noise reduction system
US7853024B2 (en) * 1997-08-14 2010-12-14 Silentium Ltd. Active noise control system and method
US6115466A (en) * 1998-03-12 2000-09-05 Westell Technologies, Inc. Subscriber line system having a dual-mode filter for voice communications over a telephone line
US6144735A (en) * 1998-03-12 2000-11-07 Westell Technologies, Inc. Filters for a digital subscriber line system for voice communication over a telephone line
US6717991B1 (en) * 1998-05-27 2004-04-06 Telefonaktiebolaget Lm Ericsson (Publ) System and method for dual microphone signal noise reduction using spectral subtraction
US6549586B2 (en) * 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
US6122610A (en) * 1998-09-23 2000-09-19 Verance Corporation Noise suppression for low bitrate speech coder
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
US6411656B1 (en) * 1999-04-30 2002-06-25 3Com Corporation Echo cancelling softmodem
DE19925046A1 (de) * 1999-06-01 2001-05-03 Alcatel Sa Verfahren und Vorrichtung zur Unterdrückung von Rauschen und Echos
US6137880A (en) * 1999-08-27 2000-10-24 Westell Technologies, Inc. Passive splitter filter for digital subscriber line voice communication for complex impedance terminations
US7225001B1 (en) 2000-04-24 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) System and method for distributed noise suppression
DE10043064B4 (de) * 2000-09-01 2004-07-08 Dietmar Dr. Ruwisch Verfahren und Vorrichtung zur Elimination von Lautsprecherinterferenzen aus Mikrofonsignalen
FR2820227B1 (fr) * 2001-01-30 2003-04-18 France Telecom Procede et dispositif de reduction de bruit
US6963760B2 (en) * 2001-10-01 2005-11-08 General Motors Corporation Method and apparatus for generating DTMF tones using voice-recognition commands during hands-free communication in a vehicle
JP2004061617A (ja) * 2002-07-25 2004-02-26 Fujitsu Ltd 受話音声処理装置
KR20050026320A (ko) * 2003-09-09 2005-03-15 삼성전자주식회사 데이터 재생 장치 및 방법
US7162212B2 (en) * 2003-09-22 2007-01-09 Agere Systems Inc. System and method for obscuring unwanted ambient noise and handset and central office equipment incorporating the same
US7065206B2 (en) 2003-11-20 2006-06-20 Motorola, Inc. Method and apparatus for adaptive echo and noise control
US20070033030A1 (en) * 2005-07-19 2007-02-08 Oded Gottesman Techniques for measurement, adaptation, and setup of an audio communication system
EP1941492A1 (de) * 2005-10-25 2008-07-09 Anocsys AG Verfahren zum schätzen eines nutzsignals mit hilfe eines adaptiven prozesses
US7774396B2 (en) * 2005-11-18 2010-08-10 Dynamic Hearing Pty Ltd Method and device for low delay processing
US8385864B2 (en) * 2006-02-21 2013-02-26 Wolfson Dynamic Hearing Pty Ltd Method and device for low delay processing
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
US8855329B2 (en) * 2007-01-22 2014-10-07 Silentium Ltd. Quiet fan incorporating active noise control (ANC)
US7515703B1 (en) 2008-05-19 2009-04-07 International Business Machines Corporation Method and system for determining conference call embellishment tones and transmission of same
JP5056617B2 (ja) * 2008-06-26 2012-10-24 沖電気工業株式会社 暗騒音抑圧・エコー消去装置、方法及びプログラム
KR101737824B1 (ko) * 2009-12-16 2017-05-19 삼성전자주식회사 잡음 환경의 입력신호로부터 잡음을 제거하는 방법 및 그 장치
JP5672437B2 (ja) * 2010-09-14 2015-02-18 カシオ計算機株式会社 雑音抑制装置、雑音抑制方法およびプログラム
US9928824B2 (en) 2011-05-11 2018-03-27 Silentium Ltd. Apparatus, system and method of controlling noise within a noise-controlled volume
JP6182524B2 (ja) 2011-05-11 2017-08-16 シレンティウム リミテッド ノイズ・コントロールのデバイス、システム、および方法
KR101306868B1 (ko) * 2011-12-21 2013-09-10 황정진 미확인 시스템 모델링 방법 및 이를 이용한 하울링 제거 오디오 시스템
US8878678B2 (en) * 2012-05-29 2014-11-04 Cisco Technology, Inc. Method and apparatus for providing an intelligent mute status reminder for an active speaker in a conference
JP2014085609A (ja) * 2012-10-26 2014-05-12 Sony Corp 信号処理装置および方法、並びに、プログラム
CN103795473B (zh) * 2012-11-02 2017-04-12 华为技术有限公司 消除工频干扰的方法和系统
CN103248337A (zh) * 2013-05-29 2013-08-14 中国电子科技集团公司第二十二研究所 一种空时级联抑制斜向探测电离图外部干扰的方法
CN104702245A (zh) * 2015-02-04 2015-06-10 航天科工深圳（集团）有限公司 抑制浪涌雷电波干扰的方法
US11488615B2 (en) 2018-05-21 2022-11-01 International Business Machines Corporation Real-time assessment of call quality
JP7348812B2 (ja) * 2019-10-31 2023-09-21 東京都公立大学法人 雑音抑制装置、雑音抑制方法及び音声入力機器

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US4628529A (en) * 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
JPS6343451A (ja) * 1986-08-11 1988-02-24 Mitsubishi Electric Corp 拡声通話回路
JPS63108822A (ja) * 1986-10-25 1988-05-13 Nippon Telegr & Teleph Corp <Ntt> 音声通話信号の雑音抑圧装置
AU633673B2 (en) * 1990-01-18 1993-02-04 Matsushita Electric Industrial Co., Ltd. Signal processing device
US5561667A (en) * 1991-06-21 1996-10-01 Gerlach; Karl R. Systolic multiple channel band-partitioned noise canceller
JPH0563609A (ja) * 1991-09-05 1993-03-12 Fujitsu Ltd エコーキヤンセラ方式
FI92535C (sv) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Brusdämpningssystem för talsignaler
US5416847A (en) * 1993-02-12 1995-05-16 The Walt Disney Company Multi-band, digital audio noise filter
US5329587A (en) * 1993-03-12 1994-07-12 At&T Bell Laboratories Low-delay subband adaptive filter
US5406622A (en) * 1993-09-02 1995-04-11 At&T Corp. Outbound noise cancellation for telephonic handset

Also Published As

Publication number Publication date
ATE230890T1 (de) 2003-01-15
AU3444295A (en) 1996-05-09
EP0710947A1 (fr) 1996-05-08
NZ280224A (en) 1997-02-24
CA2161575A1 (fr) 1996-04-29
JP4567655B2 (ja) 2010-10-20
DE69529328D1 (de) 2003-02-13
DE69529328T2 (de) 2003-09-04
US5680393A (en) 1997-10-21
FI955086A0 (sv) 1995-10-25
FR2726392A1 (fr) 1996-05-03
AU698081B2 (en) 1998-10-22
JP2007129736A (ja) 2007-05-24
JPH08213936A (ja) 1996-08-20
FR2726392B1 (fr) 1997-01-10
EP0710947B1 (fr) 2003-01-08

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