ATE469505T1 - Audiosystem und verfahren zur akustischen echolöschung - Google Patents

Audiosystem und verfahren zur akustischen echolöschung

Info

Publication number
ATE469505T1
ATE469505T1 AT05821952T AT05821952T ATE469505T1 AT E469505 T1 ATE469505 T1 AT E469505T1 AT 05821952 T AT05821952 T AT 05821952T AT 05821952 T AT05821952 T AT 05821952T AT E469505 T1 ATE469505 T1 AT E469505T1
Authority
AT
Austria
Prior art keywords
echo cancellation
audio system
acoustic echo
present
multi channel
Prior art date
Application number
AT05821952T
Other languages
English (en)
Inventor
Trygve Marton
Original Assignee
Tandberg Telecom As
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 Tandberg Telecom As filed Critical Tandberg Telecom As
Application granted granted Critical
Publication of ATE469505T1 publication Critical patent/ATE469505T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
  • Surgical Instruments (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT05821952T 2004-12-29 2005-12-21 Audiosystem und verfahren zur akustischen echolöschung ATE469505T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20045702A NO328256B1 (no) 2004-12-29 2004-12-29 Audiosystem
PCT/NO2005/000470 WO2006071119A1 (en) 2004-12-29 2005-12-21 Audio system and method for acoustic echo cancellation

Publications (1)

Publication Number Publication Date
ATE469505T1 true ATE469505T1 (de) 2010-06-15

Family

ID=36615181

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05821952T ATE469505T1 (de) 2004-12-29 2005-12-21 Audiosystem und verfahren zur akustischen echolöschung

Country Status (9)

Country Link
US (1) US20060182268A1 (de)
EP (1) EP1832104B1 (de)
JP (1) JP4644715B2 (de)
CN (1) CN101133633B (de)
AT (1) ATE469505T1 (de)
DE (1) DE602005021546D1 (de)
ES (1) ES2345206T3 (de)
NO (1) NO328256B1 (de)
WO (1) WO2006071119A1 (de)

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JP5451876B2 (ja) * 2009-06-02 2014-03-26 コーニンクレッカ フィリップス エヌ ヴェ 音響マルチチャネル相殺
US8219394B2 (en) * 2010-01-20 2012-07-10 Microsoft Corporation Adaptive ambient sound suppression and speech tracking
US9094496B2 (en) * 2010-06-18 2015-07-28 Avaya Inc. System and method for stereophonic acoustic echo cancellation
JP5649488B2 (ja) * 2011-03-11 2015-01-07 株式会社東芝 音声判別装置、音声判別方法および音声判別プログラム
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US8914007B2 (en) 2013-02-27 2014-12-16 Nokia Corporation Method and apparatus for voice conferencing
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US9674368B2 (en) 2013-03-19 2017-06-06 Koninklijke Philips N.V. Method and apparatus for audio processing
EP2822263B1 (de) * 2013-07-05 2019-03-27 Sennheiser Communications A/S Kommunikationsvorrichtung mit Echounterdrückung
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
DE102015222105A1 (de) 2015-11-10 2017-05-11 Volkswagen Aktiengesellschaft Audiosignalverarbeitung in einem Fahrzeug
GB2545263B (en) * 2015-12-11 2019-05-15 Acano Uk Ltd Joint acoustic echo control and adaptive array processing
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
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
EP3891737B1 (de) * 2019-01-11 2024-07-03 Boomcloud 360, Inc. Tonbühnenerhaltende audiokanalsummierung
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
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
JP7572964B2 (ja) 2019-03-21 2024-10-24 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 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置
TW202101422A (zh) 2019-05-23 2021-01-01 美商舒爾獲得控股公司 可操縱揚聲器陣列、系統及其方法
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
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
US11706562B2 (en) 2020-05-29 2023-07-18 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
CN113096681B (zh) * 2021-04-08 2022-06-28 海信视像科技股份有限公司 显示设备、多声道回声消除电路及多声道回声消除方法
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
US12289584B2 (en) 2021-10-04 2025-04-29 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (de) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Verteilter algorithmus zur automatischen mischung von sprache über drahtlose netzwerke
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
CN120932656B (zh) * 2025-10-13 2026-02-06 科大讯飞股份有限公司 一种音频水印生成方法及相关装置

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US7352858B2 (en) * 2004-06-30 2008-04-01 Microsoft Corporation Multi-channel echo cancellation with round robin regularization

Also Published As

Publication number Publication date
CN101133633B (zh) 2012-06-20
ES2345206T3 (es) 2010-09-17
WO2006071119A1 (en) 2006-07-06
DE602005021546D1 (en) 2010-07-08
JP4644715B2 (ja) 2011-03-02
CN101133633A (zh) 2008-02-27
EP1832104B1 (de) 2010-05-26
US20060182268A1 (en) 2006-08-17
NO20045702L (no) 2006-06-30
JP2008526162A (ja) 2008-07-17
NO328256B1 (no) 2010-01-18
EP1832104A1 (de) 2007-09-12

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