NO20045702L - Audiosystem - Google Patents

Audiosystem

Info

Publication number
NO20045702L
NO20045702L NO20045702A NO20045702A NO20045702L NO 20045702 L NO20045702 L NO 20045702L NO 20045702 A NO20045702 A NO 20045702A NO 20045702 A NO20045702 A NO 20045702A NO 20045702 L NO20045702 L NO 20045702L
Authority
NO
Norway
Prior art keywords
present
multi channel
sound
perceptual
signal
Prior art date
Application number
NO20045702A
Other languages
English (en)
Other versions
NO328256B1 (no
Inventor
Trygve Fredrik 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
Priority to NO20045702A priority Critical patent/NO328256B1/no
Priority to EP05821952A priority patent/EP1832104B1/en
Priority to ES05821952T priority patent/ES2345206T3/es
Priority to AT05821952T priority patent/ATE469505T1/de
Priority to JP2007549294A priority patent/JP4644715B2/ja
Priority to DE602005021546T priority patent/DE602005021546D1/de
Priority to PCT/NO2005/000470 priority patent/WO2006071119A1/en
Priority to CN200580048814.1A priority patent/CN101133633B/zh
Priority to US11/318,266 priority patent/US20060182268A1/en
Publication of NO20045702L publication Critical patent/NO20045702L/no
Publication of NO328256B1 publication Critical patent/NO328256B1/no

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)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
NO20045702A 2004-12-29 2004-12-29 Audiosystem NO328256B1 (no)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NO20045702A NO328256B1 (no) 2004-12-29 2004-12-29 Audiosystem
EP05821952A EP1832104B1 (en) 2004-12-29 2005-12-21 Audio system and method for acoustic echo cancellation
ES05821952T ES2345206T3 (es) 2004-12-29 2005-12-21 Sistema y procedimiento audio para la cancelacion de eco acustica.
AT05821952T ATE469505T1 (de) 2004-12-29 2005-12-21 Audiosystem und verfahren zur akustischen echolöschung
JP2007549294A JP4644715B2 (ja) 2004-12-29 2005-12-21 音響的エコー消去用オーディオシステムと方法
DE602005021546T DE602005021546D1 (en) 2004-12-29 2005-12-21 Hung
PCT/NO2005/000470 WO2006071119A1 (en) 2004-12-29 2005-12-21 Audio system and method for acoustic echo cancellation
CN200580048814.1A CN101133633B (zh) 2004-12-29 2005-12-21 用于声频回波消除的声频系统和方法
US11/318,266 US20060182268A1 (en) 2004-12-29 2005-12-23 Audio system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20045702A NO328256B1 (no) 2004-12-29 2004-12-29 Audiosystem

Publications (2)

Publication Number Publication Date
NO20045702L true NO20045702L (no) 2006-06-30
NO328256B1 NO328256B1 (no) 2010-01-18

Family

ID=36615181

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045702A NO328256B1 (no) 2004-12-29 2004-12-29 Audiosystem

Country Status (9)

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

Families Citing this family (45)

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US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
US8155304B2 (en) 2007-04-10 2012-04-10 Microsoft Corporation Filter bank optimization for acoustic echo cancellation
WO2009047858A1 (ja) 2007-10-12 2009-04-16 Fujitsu Limited エコー抑圧システム、エコー抑圧方法、エコー抑圧プログラム、エコー抑圧装置、音出力装置、オーディオシステム、ナビゲーションシステム及び移動体
NO327377B1 (no) 2007-12-18 2009-06-22 Tandberg Telecom As Fremgangsmate og system for klokkedriftskompensering
TWI475896B (zh) 2008-09-25 2015-03-01 Dolby Lab Licensing Corp 單音相容性及揚聲器相容性之立體聲濾波器
EP2242185A1 (en) * 2009-04-15 2010-10-20 ST-NXP Wireless France Noise suppression
RU2520359C2 (ru) 2009-04-15 2014-06-20 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство подавления акустического эха и фронтальное устройство конференцсвязи
RU2546717C2 (ru) * 2009-06-02 2015-04-10 Конинклейке Филипс Электроникс Н.В. Многоканальное акустическое эхоподавление
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
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
US9866700B2 (en) * 2012-12-27 2018-01-09 Robert Bosch Gmbh Conference system and process for voice activation in the conference system
US8914007B2 (en) 2013-02-27 2014-12-16 Nokia Corporation Method and apparatus for voice conferencing
US9232072B2 (en) 2013-03-13 2016-01-05 Google Inc. Participant controlled spatial AEC
US9674368B2 (en) 2013-03-19 2017-06-06 Koninklijke Philips N.V. Method and apparatus for audio processing
DK2822263T3 (da) * 2013-07-05 2019-06-17 Sennheiser Communications As Kommunikationsanordning med ekkoundertrykkelse
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
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
EP3804356A1 (en) 2018-06-01 2021-04-14 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
CN113316941B (zh) * 2019-01-11 2022-07-26 博姆云360公司 声场保存音频通道求和
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
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
EP3942842B1 (en) 2019-03-21 2026-03-11 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
CN114051738B (zh) 2019-05-23 2024-10-01 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
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
WO2021041275A1 (en) 2019-08-23 2021-03-04 Shore Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
WO2021087377A1 (en) 2019-11-01 2021-05-06 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
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
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
US12525083B2 (en) 2021-11-05 2026-01-13 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
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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US5592548A (en) * 1995-05-31 1997-01-07 Qualcomm Incorporated System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process
US7245710B1 (en) * 1998-04-08 2007-07-17 British Telecommunications Public Limited Company Teleconferencing system
ES2269137T3 (es) * 1999-05-25 2007-04-01 British Telecommunications Public Limited Company Cancelacion del eco acustico.
US6665645B1 (en) * 1999-07-28 2003-12-16 Matsushita Electric Industrial Co., Ltd. Speech recognition apparatus for AV equipment
JP4554044B2 (ja) * 1999-07-28 2010-09-29 パナソニック株式会社 Ａｖ機器用音声認識装置
JP3951690B2 (ja) * 2000-12-14 2007-08-01 ソニー株式会社 符号化装置および方法、並びに記録媒体
FI112016B (fi) * 2001-12-20 2003-10-15 Nokia Corp Konferenssipuhelujärjestely
NO318401B1 (no) * 2003-03-10 2005-03-14 Tandberg Telecom As Et audio-ekkokanselleringssystem og en fremgangsmate for a tilveiebringe et ekkodempet utgangssignal fra et ekkotillagt signal
US20050213747A1 (en) * 2003-10-07 2005-09-29 Vtel Products, Inc. Hybrid monaural and multichannel audio for conferencing
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
JP4644715B2 (ja) 2011-03-02
US20060182268A1 (en) 2006-08-17
CN101133633A (zh) 2008-02-27
NO328256B1 (no) 2010-01-18
DE602005021546D1 (en) 2010-07-08
CN101133633B (zh) 2012-06-20
JP2008526162A (ja) 2008-07-17
ATE469505T1 (de) 2010-06-15
EP1832104A1 (en) 2007-09-12
ES2345206T3 (es) 2010-09-17
WO2006071119A1 (en) 2006-07-06
EP1832104B1 (en) 2010-05-26

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