JP4928922B2 - 情報処理装置、およびプログラム - Google Patents

情報処理装置、およびプログラム Download PDF

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Publication number
JP4928922B2
JP4928922B2 JP2006325997A JP2006325997A JP4928922B2 JP 4928922 B2 JP4928922 B2 JP 4928922B2 JP 2006325997 A JP2006325997 A JP 2006325997A JP 2006325997 A JP2006325997 A JP 2006325997A JP 4928922 B2 JP4928922 B2 JP 4928922B2
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Japan
Prior art keywords
input signal
echo
signal
input
processing
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Expired - Fee Related
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JP2006325997A
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English (en)
Japanese (ja)
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JP2008141507A5 (enExample
JP2008141507A (ja
Inventor
隆 須藤
公生 三関
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Toshiba Corp
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Toshiba Corp
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Priority to JP2006325997A priority Critical patent/JP4928922B2/ja
Priority to US11/947,683 priority patent/US8401203B2/en
Publication of JP2008141507A publication Critical patent/JP2008141507A/ja
Publication of JP2008141507A5 publication Critical patent/JP2008141507A5/ja
Application granted granted Critical
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Priority to US13/766,070 priority patent/US8811623B2/en
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2006325997A 2006-12-01 2006-12-01 情報処理装置、およびプログラム Expired - Fee Related JP4928922B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006325997A JP4928922B2 (ja) 2006-12-01 2006-12-01 情報処理装置、およびプログラム
US11/947,683 US8401203B2 (en) 2006-12-01 2007-11-29 Information processing apparatus and program
US13/766,070 US8811623B2 (en) 2006-12-01 2013-02-13 Information processing apparatus and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006325997A JP4928922B2 (ja) 2006-12-01 2006-12-01 情報処理装置、およびプログラム

Publications (3)

Publication Number Publication Date
JP2008141507A JP2008141507A (ja) 2008-06-19
JP2008141507A5 JP2008141507A5 (enExample) 2009-12-10
JP4928922B2 true JP4928922B2 (ja) 2012-05-09

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JP2006325997A Expired - Fee Related JP4928922B2 (ja) 2006-12-01 2006-12-01 情報処理装置、およびプログラム

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US (2) US8401203B2 (enExample)
JP (1) JP4928922B2 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720236B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Updating modeling information based on offline calibration experiments
JP4660578B2 (ja) * 2008-08-29 2011-03-30 株式会社東芝 信号補正装置
JP5087024B2 (ja) * 2009-02-10 2012-11-28 日本電信電話株式会社 エコー消去装置とその方法と、プログラム
US8355822B2 (en) * 2009-12-29 2013-01-15 Masco Corporation Of Indiana Method of controlling a valve
JP5156043B2 (ja) * 2010-03-26 2013-03-06 株式会社東芝 音声判別装置
JP5175948B2 (ja) * 2011-03-22 2013-04-03 株式会社東芝 映像表示装置、ノイズ除去方法および映像表示システム
JP6069830B2 (ja) * 2011-12-08 2017-02-01 ソニー株式会社 耳孔装着型収音装置、信号処理装置、収音方法
US9697847B2 (en) * 2013-03-14 2017-07-04 Semiconductor Components Industries, Llc Acoustic signal processing system capable of detecting double-talk and method
JP6160403B2 (ja) * 2013-09-26 2017-07-12 沖電気工業株式会社 エコー抑圧装置及びエコー抑圧プログラム
US9712866B2 (en) 2015-04-16 2017-07-18 Comigo Ltd. Cancelling TV audio disturbance by set-top boxes in conferences
US9749746B2 (en) * 2015-04-29 2017-08-29 Fortemedia, Inc. Devices and methods for reducing the processing time of the convergence of a spatial filter
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
KR102167469B1 (ko) * 2018-12-19 2020-10-19 주식회사 이엠텍 피드백 처리 방법
TWI865506B (zh) 2019-03-21 2024-12-11 美商舒爾獲得控股公司 具有抑制功能的波束形成麥克風瓣之自動對焦、區域內自動對焦、及自動配置
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
WO2020191354A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
EP3973716A1 (en) 2019-05-23 2022-03-30 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
CN114051637B (zh) 2019-05-31 2025-10-28 舒尔获得控股公司 集成语音及噪声活动检测的低延时自动混波器
EP4018680A1 (en) 2019-08-23 2022-06-29 Shure Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
WO2021087377A1 (en) 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
CN111031449A (zh) * 2019-12-26 2020-04-17 深圳物控智联科技有限公司 在通话时消除回声的智能产品
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
EP4285605A1 (en) 2021-01-28 2023-12-06 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12289584B2 (en) 2021-10-04 2025-04-29 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3228595B2 (ja) 1993-05-12 2001-11-12 松下電器産業株式会社 エコーキャンセラ
US5631899A (en) * 1995-05-31 1997-05-20 Lucent Technologies Inc. Acoustic echo canceler
JP3769433B2 (ja) 1999-11-01 2006-04-26 株式会社ケンウッド 通信端末
FR2802367B1 (fr) 1999-12-14 2006-08-18 France Telecom Procede temps reel de traitement et de gestion pour l'annulation d'echo entre haut-parleur et microphone d'un terminal informatique
JP4499240B2 (ja) * 2000-03-23 2010-07-07 富士通株式会社 信号処理フィルタシステム
JP4310926B2 (ja) * 2001-02-26 2009-08-12 沖電気工業株式会社 エコーキャンセラ装置
JP4069595B2 (ja) * 2001-03-28 2008-04-02 松下電工株式会社 拡声通話装置
JP4346414B2 (ja) * 2003-11-07 2009-10-21 株式会社東芝 信号処理装置、コンピュータプログラム
KR101062870B1 (ko) * 2004-03-05 2011-09-07 톰슨 라이센싱 멀티미디어 훈련 신호를 구비한 음향 반향 제거기
DE602005020662D1 (de) * 2004-10-13 2010-05-27 Koninkl Philips Electronics Nv Echolöschung
US8160239B2 (en) * 2006-11-10 2012-04-17 Sony Corporation Echo canceller and speech processing apparatus
US20080192945A1 (en) * 2007-02-08 2008-08-14 Mcconnell William Audio system and method

Also Published As

Publication number Publication date
US8401203B2 (en) 2013-03-19
US20130158990A1 (en) 2013-06-20
US8811623B2 (en) 2014-08-19
US20080130907A1 (en) 2008-06-05
JP2008141507A (ja) 2008-06-19

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