NO320942B1 - System og fremgangsmate for forbedret stereolyd - Google Patents

System og fremgangsmate for forbedret stereolyd

Info

Publication number
NO320942B1
NO320942B1 NO20035796A NO20035796A NO320942B1 NO 320942 B1 NO320942 B1 NO 320942B1 NO 20035796 A NO20035796 A NO 20035796A NO 20035796 A NO20035796 A NO 20035796A NO 320942 B1 NO320942 B1 NO 320942B1
Authority
NO
Norway
Prior art keywords
stereo
far
canceller
end audio
echo
Prior art date
Application number
NO20035796A
Other languages
English (en)
Norwegian (no)
Other versions
NO20035796L (no
Inventor
Trygve Fredrik Marton
Ingvar Flaten Aarnes
Bjorn Winsvold
Geir Ole Overby
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 NO20035796A priority Critical patent/NO320942B1/no
Priority to PCT/NO2004/000398 priority patent/WO2005062595A1/en
Priority to AT04808892T priority patent/ATE447824T1/de
Priority to JP2006546880A priority patent/JP4417390B2/ja
Priority to CNA2004800386590A priority patent/CN1898944A/zh
Priority to DE602004023968T priority patent/DE602004023968D1/de
Priority to US11/022,293 priority patent/US7477735B2/en
Priority to ES04808892T priority patent/ES2333873T3/es
Priority to EP04808892A priority patent/EP1698159B1/en
Publication of NO20035796L publication Critical patent/NO20035796L/no
Publication of NO320942B1 publication Critical patent/NO320942B1/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
    • 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
NO20035796A 2003-12-23 2003-12-23 System og fremgangsmate for forbedret stereolyd NO320942B1 (no)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NO20035796A NO320942B1 (no) 2003-12-23 2003-12-23 System og fremgangsmate for forbedret stereolyd
PCT/NO2004/000398 WO2005062595A1 (en) 2003-12-23 2004-12-22 System and method for enhanced stereo audio
AT04808892T ATE447824T1 (de) 2003-12-23 2004-12-22 System und verfahren für erweitertes stereo-audio
JP2006546880A JP4417390B2 (ja) 2003-12-23 2004-12-22 ステレオ音声を向上させるためのシステム及び方法
CNA2004800386590A CN1898944A (zh) 2003-12-23 2004-12-22 用于增强的立体声音频的系统和方法
DE602004023968T DE602004023968D1 (de) 2003-12-23 2004-12-22 System und verfahren für erweitertes stereo-audio
US11/022,293 US7477735B2 (en) 2003-12-23 2004-12-22 System and method for enhanced stereo audio
ES04808892T ES2333873T3 (es) 2003-12-23 2004-12-22 Sistema y procedimiento para audio estereo mejorado.
EP04808892A EP1698159B1 (en) 2003-12-23 2004-12-22 System and method for enhanced stereo audio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20035796A NO320942B1 (no) 2003-12-23 2003-12-23 System og fremgangsmate for forbedret stereolyd

Publications (2)

Publication Number Publication Date
NO20035796L NO20035796L (no) 2005-06-24
NO320942B1 true NO320942B1 (no) 2006-02-13

Family

ID=34709403

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20035796A NO320942B1 (no) 2003-12-23 2003-12-23 System og fremgangsmate for forbedret stereolyd

Country Status (9)

Country Link
US (1) US7477735B2 (es)
EP (1) EP1698159B1 (es)
JP (1) JP4417390B2 (es)
CN (1) CN1898944A (es)
AT (1) ATE447824T1 (es)
DE (1) DE602004023968D1 (es)
ES (1) ES2333873T3 (es)
NO (1) NO320942B1 (es)
WO (1) WO2005062595A1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7352858B2 (en) * 2004-06-30 2008-04-01 Microsoft Corporation Multi-channel echo cancellation with round robin regularization
US7760887B2 (en) * 2004-10-15 2010-07-20 Lifesize Communications, Inc. Updating modeling information based on online data gathering
US8116500B2 (en) * 2004-10-15 2012-02-14 Lifesize Communications, Inc. Microphone orientation and size in a speakerphone
US7970151B2 (en) * 2004-10-15 2011-06-28 Lifesize Communications, Inc. Hybrid beamforming
US7903137B2 (en) * 2004-10-15 2011-03-08 Lifesize Communications, Inc. Videoconferencing echo cancellers
US7720236B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Updating modeling information based on offline calibration experiments
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
US20060132595A1 (en) * 2004-10-15 2006-06-22 Kenoyer Michael L Speakerphone supporting video and audio features
US7826624B2 (en) * 2004-10-15 2010-11-02 Lifesize Communications, Inc. Speakerphone self calibration and beam forming
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
US7970150B2 (en) * 2005-04-29 2011-06-28 Lifesize Communications, Inc. Tracking talkers using virtual broadside scan and directed beams
US7991167B2 (en) * 2005-04-29 2011-08-02 Lifesize Communications, Inc. Forming beams with nulls directed at noise sources
US7593539B2 (en) 2005-04-29 2009-09-22 Lifesize Communications, Inc. Microphone and speaker arrangement in speakerphone
NO322301B1 (no) 2005-07-13 2006-09-11 Tandberg Telecom As Fremgangsmate og system for ekkokansellering med liten forsinkelse.
CN101227537B (zh) * 2007-01-19 2010-12-01 中兴通讯股份有限公司 一种宽带声学回声消除方法
US8219387B2 (en) * 2007-12-10 2012-07-10 Microsoft Corporation Identifying far-end sound
US8744069B2 (en) * 2007-12-10 2014-06-03 Microsoft Corporation Removing near-end frequencies from far-end sound
US8433061B2 (en) * 2007-12-10 2013-04-30 Microsoft Corporation Reducing echo
WO2009150776A1 (ja) * 2008-06-11 2009-12-17 三菱電機株式会社 エコーキャンセラ
EP2149878A3 (en) * 2008-07-29 2014-06-11 LG Electronics Inc. A method and an apparatus for processing an audio signal
EP2512040B1 (en) * 2011-04-14 2013-11-13 Alcatel Lucent A computation saving echo canceller for a wide band audio signal
JP6094479B2 (ja) * 2011-05-19 2017-03-15 日本電気株式会社 音声処理装置、音声処理方法および音声処理プログラムを記録した記録媒体
CN103414980B (zh) * 2013-07-30 2016-09-07 浙江中科电声研发中心 一种多输出通道音响系统的时延和频响特性的补偿方法
US9100090B2 (en) * 2013-12-20 2015-08-04 Csr Technology Inc. Acoustic echo cancellation (AEC) for a close-coupled speaker and microphone system
CN104751854A (zh) * 2013-12-26 2015-07-01 联芯科技有限公司 一种宽带声学回声消除方法及系统
JP6398470B2 (ja) * 2014-08-27 2018-10-03 沖電気工業株式会社 ステレオエコー抑圧装置、エコー抑圧装置、ステレオエコー抑圧方法及びステレオエコー抑圧プログラム
KR20170035504A (ko) * 2015-09-23 2017-03-31 삼성전자주식회사 전자 장치 및 전자 장치의 오디오 처리 방법
US11600288B2 (en) * 2017-08-28 2023-03-07 Sony Interactive Entertainment Inc. Sound signal processing device
US10951859B2 (en) 2018-05-30 2021-03-16 Microsoft Technology Licensing, Llc Videoconferencing device and method
CN108566612B (zh) * 2018-06-29 2020-09-25 海信视像科技股份有限公司 一种扬声器检测方法、终端设备及计算机存储介质
DE102018127071B3 (de) * 2018-10-30 2020-01-09 Harman Becker Automotive Systems Gmbh Audiosignalverarbeitung mit akustischer Echounterdrückung
US11451905B1 (en) 2019-10-30 2022-09-20 Social Microphone, Inc. System and method for multi-channel acoustic echo and feedback compensation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305307A (en) 1991-01-04 1994-04-19 Picturetel Corporation Adaptive acoustic echo canceller having means for reducing or eliminating echo in a plurality of signal bandwidths
FR2793629B1 (fr) * 1999-05-12 2001-08-03 Matra Nortel Communications Procede et dispositif d'annulation d'echo stereophonique a filtrage dans le domaine frequentiel
US6614365B2 (en) * 2000-12-14 2003-09-02 Sony Corporation Coding device and method, decoding device and method, and recording medium
JP3608525B2 (ja) * 2001-05-09 2005-01-12 ヤマハ株式会社 ２チャンネルエコーキャンセル用フィルタのインパルス応答設定方法および２チャンネルエコーキャンセラ並びに双方向２チャンネル音声伝送装置
JP3506138B2 (ja) * 2001-07-11 2004-03-15 ヤマハ株式会社 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置

Also Published As

Publication number Publication date
ES2333873T3 (es) 2010-03-02
WO2005062595A1 (en) 2005-07-07
CN1898944A (zh) 2007-01-17
US7477735B2 (en) 2009-01-13
ATE447824T1 (de) 2009-11-15
JP2007515911A (ja) 2007-06-14
JP4417390B2 (ja) 2010-02-17
EP1698159A1 (en) 2006-09-06
DE602004023968D1 (de) 2009-12-17
US20050157866A1 (en) 2005-07-21
NO20035796L (no) 2005-06-24
EP1698159B1 (en) 2009-11-04

Similar Documents

Publication Publication Date Title
NO320942B1 (no) System og fremgangsmate for forbedret stereolyd
US9892721B2 (en) Information-processing device, information processing method, and program
KR101731714B1 (ko) 음질 개선을 위한 방법 및 헤드셋
CN102300140B (zh) 一种通信耳机的语音增强方法及降噪通信耳机
CN109716743B (zh) 全双工语音通信系统和方法
CN203747885U (zh) 能够检测双端通话的声信号处理系统
TR200001904T2 (tr) İletişim sistemlerinde yankı bastırılmasını kontrol etmek için yöntemler ve düzenek.
DE602005021546D1 (en) Hung
DK1203509T3 (da) Tilbagekoblingsannullering med anvendelse af båndbreddedetektering
TW200514022A (en) Acoustic processing system, acoustic processing device, acoustic processing method, acoustic processing program, and storage medium
CN102413403A (zh) 降噪电路及其方法
EP1174732A3 (en) Acoustical proximity detection for mobile terminals and other devices
CN108140395B (zh) 舒适噪声生成装置和方法
JP2015513854A (ja) モバイル通信機器での音声通信エクスペリエンスを向上させるための方法およびシステム
ATE474379T1 (de) Lautsprecher mit verbesserter ausgangsaudioqualität
DK1745637T3 (da) Konferenceterminal med ekkoreduktion til et talekonferencesystem
BRPI0816218A2 (pt) Cancelamento de eco acústico baseado em ambiente de ruído
KR101961998B1 (ko) 즉각적인 바람 잡음을 감소시키는 것
WO2005043508A3 (en) A portable voice studio system and method
Rämö et al. An allpass hear-through headset
KR102112018B1 (ko) 영상 회의 시스템에서의 음향 반향 제거 장치 및 방법
CN106297816B (zh) 一种回声消除的非线性处理方法和装置及电子设备
CN104038860A (zh) 一种免摘除收听近距离语音的方法和耳机
WO2012105940A1 (en) Speech quality enhancement in telecommunication system
JP2017034490A (ja) インターホン装置

Legal Events

Date Code Title Description
CREP Change of representative

Representative=s name: ONSAGERS AS, POSTBOKS 6963 ST OLAVS PLASS, 0130 OS

MM1K Lapsed by not paying the annual fees