JP2003501894A - 不可聴情報の包含により適応型フィルタ性能を向上させる方法及び装置 - Google Patents

不可聴情報の包含により適応型フィルタ性能を向上させる方法及び装置

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Publication number
JP2003501894A
JP2003501894A JP2001500538A JP2001500538A JP2003501894A JP 2003501894 A JP2003501894 A JP 2003501894A JP 2001500538 A JP2001500538 A JP 2001500538A JP 2001500538 A JP2001500538 A JP 2001500538A JP 2003501894 A JP2003501894 A JP 2003501894A
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JP
Japan
Prior art keywords
signal
adaptation
enhancing
audio
far
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.)
Pending
Application number
JP2001500538A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003501894A5 (enExample
Inventor
イム ラスムソン，
Original Assignee
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）
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Publication date
Application filed by 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） filed Critical 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）
Publication of JP2003501894A publication Critical patent/JP2003501894A/ja
Publication of JP2003501894A5 publication Critical patent/JP2003501894A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Telephone Function (AREA)
JP2001500538A 1999-05-27 2000-05-23 不可聴情報の包含により適応型フィルタ性能を向上させる方法及び装置 Pending JP2003501894A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/320,659 1999-05-27
US09/320,659 US7062039B1 (en) 1999-05-27 1999-05-27 Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information
PCT/EP2000/004666 WO2000074362A2 (en) 1999-05-27 2000-05-23 Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information

Publications (2)

Publication Number Publication Date
JP2003501894A true JP2003501894A (ja) 2003-01-14
JP2003501894A5 JP2003501894A5 (enExample) 2007-07-05

Family

ID=23247373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001500538A Pending JP2003501894A (ja) 1999-05-27 2000-05-23 不可聴情報の包含により適応型フィルタ性能を向上させる方法及び装置

Country Status (13)

Country Link
US (1) US7062039B1 (enExample)
EP (1) EP1210814B1 (enExample)
JP (1) JP2003501894A (enExample)
KR (1) KR100633213B1 (enExample)
CN (1) CN1201553C (enExample)
AT (1) ATE336856T1 (enExample)
AU (1) AU5396500A (enExample)
BR (1) BR0010965A (enExample)
DE (1) DE60030137T2 (enExample)
HK (1) HK1047665B (enExample)
IL (2) IL146509A0 (enExample)
MY (1) MY125940A (enExample)
WO (1) WO2000074362A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013509774A (ja) * 2009-10-29 2013-03-14 ユニベルシテ・パリ・デカルト オーディオ透かしによって音響エコーをキャンセルするための方法および装置
JP2016506670A (ja) * 2012-12-19 2016-03-03 マイクロソフト テクノロジー ライセンシング，エルエルシー アクティブ話者検出のためのビデオ及びオーディオタグ付け

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6771769B2 (en) * 2000-12-28 2004-08-03 Richard Henry Erving Method and apparatus for active reduction of speakerphone singing
KR100377549B1 (ko) * 2001-04-30 2003-03-26 현대네트웍스 주식회사 선형 변환을 이용한 적응 반향 제거 장치
CA2357200C (en) * 2001-09-07 2010-05-04 Dspfactory Ltd. Listening device
JP3568922B2 (ja) * 2001-09-20 2004-09-22 三菱電機株式会社 エコー処理装置
WO2004008731A1 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Echo canceller with model mismatch compensation
DE10329055B4 (de) * 2003-06-27 2005-10-13 Infineon Technologies Ag Verfahren und Vorrichtung zur Echokompensation
US7764634B2 (en) * 2005-12-29 2010-07-27 Microsoft Corporation Suppression of acoustic feedback in voice communications
US8396206B2 (en) * 2007-02-15 2013-03-12 Infineon Technologies Ag Multi-channel communication device and methods for reducing echoes by inserting a training sequence under a spectral mask
US8213597B2 (en) * 2007-02-15 2012-07-03 Infineon Technologies Ag Audio communication device and methods for reducing echoes by inserting a training sequence under a spectral mask
US20100119075A1 (en) * 2008-11-10 2010-05-13 Rensselaer Polytechnic Institute Spatially enveloping reverberation in sound fixing, processing, and room-acoustic simulations using coded sequences
US20120066162A1 (en) * 2010-09-09 2012-03-15 Texas Instruments Incorporated System and Method for Training an Adaptive Filter in an Alternate Domain with Constraints
CN103516921A (zh) 2012-06-28 2014-01-15 杜比实验室特许公司 通过隐藏音频信号的回声控制
CN108836321A (zh) * 2018-05-03 2018-11-20 江苏师范大学 一种基于自适应噪声消除系统的脑电信号预处理方法
CN111031448B (zh) * 2019-11-12 2021-09-17 西安讯飞超脑信息科技有限公司 回声消除方法、装置、电子设备和存储介质
US12462782B2 (en) * 2021-06-25 2025-11-04 Nureva, Inc. System for dynamically adjusting a soundmask signal based on realtime ambient noise parameters while maintaining echo canceller calibration performance

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS6181035A (ja) * 1984-09-28 1986-04-24 Fujitsu Ltd エコ−キヤンセル方式
JPH01220530A (ja) * 1988-02-26 1989-09-04 Nippon Telegr & Teleph Corp <Ntt> 反響消去装置
JPH06232825A (ja) * 1993-01-29 1994-08-19 Sony Corp オーディオ信号符号化装置
JPH07303065A (ja) * 1994-05-07 1995-11-14 N T T Idou Tsuushinmou Kk エコーキャンセラ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528643A1 (fr) * 1982-06-14 1983-12-16 Trt Telecom Radio Electr Procede destine a reduire le temps de convergence d'un annuleur d'echo et dispositif utilise pour mettre en oeuvre ce procede
JPS62245850A (ja) 1986-04-18 1987-10-27 Toshiba Electric Equip Corp 交替通話式拡声子機の受話保持方法
JPS63312757A (ja) 1987-06-15 1988-12-21 Nec Corp ハンズフリ−通話装置
US4969144A (en) 1989-01-03 1990-11-06 Universal Data Systems, Inc. Adaptive passband echo canceller
JPH02305155A (ja) 1989-05-19 1990-12-18 Nec Corp ハンドフリー自動車電話機
EP0601082A4 (en) 1991-08-30 1996-05-15 Digital Sound Corp Adaptive echo canceller for voice messaging system.
JPH05244464A (ja) 1992-02-26 1993-09-21 Toshiba Corp 波形等化器
KR100233077B1 (ko) * 1994-05-06 1999-12-01 다치카와 게이지 반향소거장치
CN1558563B (zh) 1994-05-07 2011-04-20 株式会社Ntt都科摩 回波消除器及其所使用的学习方法
DE19629132A1 (de) 1996-07-19 1998-01-22 Daimler Benz Ag Verfahren zur Verringerung von Störungen eines Sprachsignals
FR2762467B1 (fr) 1997-04-16 1999-07-02 France Telecom Procede d'annulation d'echo acoustique multi-voies et annuleur d'echo acoustique multi-voies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6181035A (ja) * 1984-09-28 1986-04-24 Fujitsu Ltd エコ−キヤンセル方式
JPH01220530A (ja) * 1988-02-26 1989-09-04 Nippon Telegr & Teleph Corp <Ntt> 反響消去装置
JPH06232825A (ja) * 1993-01-29 1994-08-19 Sony Corp オーディオ信号符号化装置
JPH07303065A (ja) * 1994-05-07 1995-11-14 N T T Idou Tsuushinmou Kk エコーキャンセラ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013509774A (ja) * 2009-10-29 2013-03-14 ユニベルシテ・パリ・デカルト オーディオ透かしによって音響エコーをキャンセルするための方法および装置
JP2016506670A (ja) * 2012-12-19 2016-03-03 マイクロソフト テクノロジー ライセンシング，エルエルシー アクティブ話者検出のためのビデオ及びオーディオタグ付け

Also Published As

Publication number Publication date
DE60030137D1 (de) 2006-09-28
IL146509A0 (en) 2002-07-25
WO2000074362A2 (en) 2000-12-07
EP1210814B1 (en) 2006-08-16
BR0010965A (pt) 2002-03-19
AU5396500A (en) 2000-12-18
HK1047665A1 (en) 2003-02-28
DE60030137T2 (de) 2007-07-05
KR100633213B1 (ko) 2006-10-11
MY125940A (en) 2006-09-29
US7062039B1 (en) 2006-06-13
EP1210814A2 (en) 2002-06-05
CN1201553C (zh) 2005-05-11
KR20020020713A (ko) 2002-03-15
WO2000074362A3 (en) 2002-03-28
HK1047665B (zh) 2005-12-30
CN1367976A (zh) 2002-09-04
IL146509A (en) 2006-08-20
ATE336856T1 (de) 2006-09-15

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