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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JP2008141507A (ja
JP2008141507A5 (cg-RX-API-DMAC10.html
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
Publication of JP4928922B2 publication Critical patent/JP4928922B2/ja
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 (cg-RX-API-DMAC10.html) 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 (cg-RX-API-DMAC10.html)
JP (1) JP4928922B2 (cg-RX-API-DMAC10.html)

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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
CN112335261B (zh) 2018-06-01 2023-07-18 舒尔获得控股公司 图案形成麦克风阵列
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
EP3854108B1 (en) 2018-09-20 2025-10-22 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
KR102167469B1 (ko) * 2018-12-19 2020-10-19 주식회사 이엠텍 피드백 처리 방법
EP3942842B1 (en) 2019-03-21 2026-03-11 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
CN113841421B (zh) 2019-03-21 2025-02-11 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
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
EP3973716A1 (en) 2019-05-23 2022-03-30 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
JP7731292B2 (ja) 2019-05-31 2025-08-29 シュアー アクイジッション ホールディングス インコーポレイテッド 音声およびノイズアクティビティ検出と統合された低レイテンシオートミキサー
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone 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
JP7814400B2 (ja) 2021-01-28 2026-02-16 シュアー アクイジッション ホールディングス インコーポレイテッド ハイブリッドオーディオビーム形成システム
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
JP7696676B2 (ja) * 2021-03-26 2025-06-23 株式会社トランストロン エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
WO2023059655A1 (en) 2021-10-04 2023-04-13 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
WO2023081645A1 (en) 2021-11-05 2023-05-11 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12598261B2 (en) 2022-09-28 2026-04-07 Shure Acquisition Holdings, Inc. Wideband doubletalk detection for optimization of acoustic echo cancellation
US12689855B2 (en) 2023-05-12 2026-07-21 Shure Acquisition Holdings, Inc. Multi-dimensional array microphone

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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
WO2005099231A1 (en) * 2004-03-05 2005-10-20 Thomson Licensing Accoustic echo canceller with multimedia training signal
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
US20130158990A1 (en) 2013-06-20
US20080130907A1 (en) 2008-06-05
JP2008141507A (ja) 2008-06-19
US8811623B2 (en) 2014-08-19
US8401203B2 (en) 2013-03-19

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