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
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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NO327377B1 (no) 2007-12-18 2009-06-22 Tandberg Telecom As Fremgangsmate og system for klokkedriftskompensering
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EP2242185A1 (de) * 2009-04-15 2010-10-20 ST-NXP Wireless France Rauschunterdrückung
US9008327B2 (en) * 2009-06-02 2015-04-14 Koninklijke Philips N.V. Acoustic multi-channel cancellation
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
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EP2939407B1 (de) * 2012-12-27 2017-02-22 Robert Bosch GmbH Konferenzsystem und verfahren zur sprachaktivierung in diesem konferenzsystem
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EP2822263B1 (de) * 2013-07-05 2019-03-27 Sennheiser Communications A/S Kommunikationsvorrichtung mit Echounterdrückung
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
DE102015222105A1 (de) 2015-11-10 2017-05-11 Volkswagen Aktiengesellschaft Audiosignalverarbeitung in einem Fahrzeug
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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
CN112889296A (zh) 2018-09-20 2021-06-01 舒尔获得控股公司 用于阵列麦克风的可调整的波瓣形状
WO2020146827A1 (en) * 2019-01-11 2020-07-16 Boomcloud 360, Inc. Soundstage-conserving audio channel summation
CN113841421A (zh) 2019-03-21 2021-12-24 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
EP3942842A1 (de) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Gehäuse und zugehörige konstruktionsmerkmale für mikrofone einer deckenanordnung
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
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
TW202105369A (zh) 2019-05-31 2021-02-01 美商舒爾獲得控股公司 整合語音及雜訊活動偵測之低延時自動混波器
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone with improved directivity
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
WO2022165007A1 (en) 2021-01-28 2022-08-04 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
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

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

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