AT450934T - ßMEHRKANAL-ECHOLÖSCH PROFAHREN, MULTICHANNEL- KLANGTRANSFERÄFAEN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG AND TRANSMISSION FUNCTION CALCULATORßß - Google Patents

ßMEHRKANAL-ECHOLÖSCH PROFAHREN, MULTICHANNEL- KLANGTRANSFERÄFAEN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG AND TRANSMISSION FUNCTION CALCULATORßß

Info

Publication number
AT450934T
AT450934T AT02745884T AT02745884T AT450934T AT 450934 T AT450934 T AT 450934T AT 02745884 T AT02745884 T AT 02745884T AT 02745884 T AT02745884 T AT 02745884T AT 450934 T AT450934 T AT 450934T
Authority
AT
Austria
Prior art keywords
stereo
klangtransfervorrichtung
calculatorßß
klangtransferäfaen
echolöscher
Prior art date
Application number
AT02745884T
Other languages
German (de)
Inventor
Toru Hirai
Hiraku Okumura
Mikio Tohyama
Yoshikazu Honji
Hiroshi Iriyama
Koji Niimi
Original Assignee
Yamaha Corp
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
Priority to JP2001211279 priority Critical
Priority to JP2002179722A priority patent/JP3506138B2/en
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to PCT/JP2002/006968 priority patent/WO2003007500A1/en
Publication of AT450934T publication Critical patent/AT450934T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/02Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H04M9/082Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic using echo cancellers
AT02745884T 2001-07-11 2002-07-10 ßMEHRKANAL-ECHOLÖSCH PROFAHREN, MULTICHANNEL- KLANGTRANSFERÄFAEN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG AND TRANSMISSION FUNCTION CALCULATORßß AT450934T (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001211279 2001-07-11
JP2002179722A JP3506138B2 (en) 2001-07-11 2002-06-20 Multi-channel echo cancellation method, multi-channel audio transmission method, stereo echo canceller, stereo audio transmission device, and transfer function calculation device
PCT/JP2002/006968 WO2003007500A1 (en) 2001-07-11 2002-07-10 Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus, and transfer function calculation apparatus

Publications (1)

Publication Number Publication Date
AT450934T true AT450934T (en) 2009-12-15

Family

ID=26618550

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02745884T AT450934T (en) 2001-07-11 2002-07-10 ßMEHRKANAL-ECHOLÖSCH PROFAHREN, MULTICHANNEL- KLANGTRANSFERÄFAEN, STEREO-ECHOLÖSCHER, STEREO-KLANGTRANSFERVORRICHTUNG AND TRANSMISSION FUNCTION CALCULATORßß

Country Status (7)

Country Link
US (3) US7403609B2 (en)
EP (1) EP1406397B1 (en)
JP (1) JP3506138B2 (en)
CN (1) CN100488072C (en)
AT (1) AT450934T (en)
DE (1) DE60234600D1 (en)
WO (1) WO2003007500A1 (en)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1625668B1 (en) * 2003-04-28 2014-11-12 Marvell International, Ltd. Multiple channel interference cancellation
NO320942B1 (en) 2003-12-23 2006-02-13 Tandberg Telecom As Systems and methodologies feed for improved stereo sound
NO319467B1 (en) * 2003-12-29 2005-08-15 Tandberg Telecom As Systems and methodologies feed for enhanced subjective stereo audio
EP1704749A1 (en) * 2004-01-07 2006-09-27 Philips Electronics N.V. Audio system having reverberation reducing filter
CN100444695C (en) 2004-12-31 2008-12-17 北京中星微电子有限公司 A method for realizing crosstalk elimination and filter generation and playing device
JP4215015B2 (en) * 2005-03-18 2009-01-28 ヤマハ株式会社 Howling canceller and loudspeaker equipped with the same
JP4835147B2 (en) * 2005-12-16 2011-12-14 ヤマハ株式会社 Regression sound removal device
JP4348393B2 (en) 2006-02-16 2009-10-21 日本電信電話株式会社 Signal distortion removing apparatus, method, program, and recording medium recording the program
JP4552876B2 (en) * 2006-03-14 2010-09-29 ヤマハ株式会社 Audio signal transmitting / receiving apparatus and audio conference apparatus
AT423433T (en) 2006-04-18 2009-03-15 Harman Becker Automotive Sys System and method for multichannel echo compensation
DE602006009770D1 (en) 2006-05-08 2009-11-26 Harman Becker Automotive Sys Echo reduction for time variant systems
DE602006007685D1 (en) 2006-05-10 2009-08-20 Harman Becker Automotive Sys Compensation of multi-channel echoes by decorrelation
JP2008005293A (en) 2006-06-23 2008-01-10 Matsushita Electric Ind Co Ltd Echo suppressing device
JP4984683B2 (en) 2006-06-29 2012-07-25 ヤマハ株式会社 Sound emission and collection device
JP2010509829A (en) * 2006-11-10 2010-03-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Signal processing system and signal processing method
AT522078T (en) 2006-12-18 2011-09-15 Harman Becker Automotive Sys Echo compensation with low complexity
US7983373B2 (en) * 2007-02-07 2011-07-19 Vintomie Networks B.V., Llc Clock distribution for 10GBase-T analog front end
US8204249B2 (en) * 2007-04-30 2012-06-19 Hewlett-Packard Development Company, L.P. Methods and systems for reducing acoustic echoes in multichannel audio-communication systems
EP1995940B1 (en) 2007-05-22 2011-09-07 Harman Becker Automotive Systems GmbH Method and apparatus for processing at least two microphone signals to provide an output signal with reduced interference
US8223959B2 (en) * 2007-07-31 2012-07-17 Hewlett-Packard Development Company, L.P. Echo cancellation in which sound source signals are spatially distributed to all speaker devices
US20090046866A1 (en) * 2007-08-15 2009-02-19 Fortemedia, Inc. Apparatus capable of performing acoustic echo cancellation and a method thereof
JP2009212945A (en) * 2008-03-05 2009-09-17 Mitsubishi Electric Corp Echo canceler
JP4852068B2 (en) * 2008-05-20 2012-01-11 日本電信電話株式会社 Stereo acoustic echo cancellation method, stereo acoustic echo cancellation apparatus, stereo acoustic echo cancellation program, and recording medium thereof
CN101426058B (en) 2008-06-17 2011-08-03 上海华平信息技术股份有限公司 System and method for improving quality of multichannel audio call
US8385557B2 (en) 2008-06-19 2013-02-26 Microsoft Corporation Multichannel acoustic echo reduction
US9064499B2 (en) * 2009-02-13 2015-06-23 Nec Corporation Method for processing multichannel acoustic signal, system therefor, and program
WO2010092913A1 (en) * 2009-02-13 2010-08-19 日本電気株式会社 Method for processing multichannel acoustic signal, system thereof, and program
EP2222091B1 (en) 2009-02-23 2013-04-24 Nuance Communications, Inc. Method for determining a set of filter coefficients for an acoustic echo compensation means
US8977684B2 (en) * 2009-04-14 2015-03-10 Citrix Systems, Inc. Systems and methods for computer and voice conference audio transmission during conference call via VoIP device
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
KR101441398B1 (en) * 2010-12-22 2014-09-17 엠파이어 테크놀로지 디벨롭먼트 엘엘씨 Audio control system
US9160864B2 (en) 2011-01-05 2015-10-13 Conexant Systems, Inc. Systems and methods for stereo echo cancellation
WO2012157788A1 (en) * 2011-05-19 2012-11-22 日本電気株式会社 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
CN103636236B (en) * 2011-07-01 2016-11-09 杜比实验室特许公司 Audio playback system monitors
EP2590437B1 (en) * 2011-11-03 2015-09-23 Siemens Medical Instruments Pte. Ltd. Periodic adaptation of a feedback suppression device
CN102457632B (en) * 2011-12-29 2014-07-30 歌尔声学股份有限公司 Echo cancellation method for multiple incoming sides
GB2501234A (en) 2012-03-05 2013-10-23 Microsoft Corp Determining correlation between first and second received signals to estimate delay while a disturbance condition is present on the second signal
US9516418B2 (en) 2013-01-29 2016-12-06 2236008 Ontario Inc. Sound field spatial stabilizer
US8879720B2 (en) * 2013-03-17 2014-11-04 Revolabs, Inc. Acoustic echo cancellation using a variable length adaptive filter
US9271100B2 (en) 2013-06-20 2016-02-23 2236008 Ontario Inc. Sound field spatial stabilizer with spectral coherence compensation
US9099973B2 (en) 2013-06-20 2015-08-04 2236008 Ontario Inc. Sound field spatial stabilizer with structured noise compensation
EP2816818B1 (en) * 2013-06-20 2017-11-15 2236008 Ontario Inc. Sound field spatial stabilizer with echo spectral coherence compensation
US9106196B2 (en) 2013-06-20 2015-08-11 2236008 Ontario Inc. Sound field spatial stabilizer with echo spectral coherence compensation
US9445196B2 (en) * 2013-07-24 2016-09-13 Mh Acoustics Llc Inter-channel coherence reduction for stereophonic and multichannel acoustic echo cancellation
JP6078461B2 (en) * 2013-12-18 2017-02-08 本田技研工業株式会社 Sound processing apparatus, sound processing method, and sound processing program
DE112014006865T5 (en) * 2014-08-13 2017-05-04 Mitsubishi Electric Corporation Echo canceller
JP6398470B2 (en) * 2014-08-27 2018-10-03 沖電気工業株式会社 Stereo echo suppression device, echo suppression device, stereo echo suppression method, and stereo echo suppression program
US9516159B2 (en) * 2014-11-04 2016-12-06 Apple Inc. System and method of double talk detection with acoustic echo and noise control
CN105812598B (en) * 2014-12-30 2019-04-30 展讯通信(上海)有限公司 A kind of hypoechoic method and device of drop
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554210B1 (en) * 2015-06-25 2017-01-24 Amazon Technologies, Inc. Multichannel acoustic echo cancellation with unique individual channel estimations
US9659555B1 (en) * 2016-02-09 2017-05-23 Amazon Technologies, Inc. Multichannel acoustic echo cancellation
US9653060B1 (en) * 2016-02-09 2017-05-16 Amazon Technologies, Inc. Hybrid reference signal for acoustic echo cancellation
CN107757537A (en) * 2016-08-15 2018-03-06 上海汽车集团股份有限公司 The audio control method and device of a kind of on-board engine
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10090000B1 (en) * 2017-11-01 2018-10-02 GM Global Technology Operations LLC Efficient echo cancellation using transfer function estimation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051400A (en) * 1983-08-31 1985-03-22 Nippon Telegr & Teleph Corp <Ntt> Stereophonic echo erasing device
JP3397269B2 (en) 1994-10-26 2003-04-14 日本電信電話株式会社 Multi-channel echo cancellation method
US5828756A (en) * 1994-11-22 1998-10-27 Lucent Technologies Inc. Stereophonic acoustic echo cancellation using non-linear transformations
DE69628618D1 (en) * 1995-09-26 2003-07-17 Nippon Telegraph & Telephone Method and device for multi-channel compensation of an acoustic echo
FR2762467B1 (en) * 1997-04-16 1999-07-02 France Telecom Method for acoustic echo cancellation and multi-channel canceller multi-channel acoustic echo
WO1999039453A2 (en) * 1998-01-30 1999-08-05 Koninklijke Philips Electronics N.V. A method for cancelling echoes in a communication system, a communication device, and a radio base station of a cordless telephone device
EP0944228B1 (en) * 1998-03-05 2003-06-04 Nippon Telegraph and Telephone Corporation Method and apparatus for multi-channel acoustic echo cancellation
FR2793629B1 (en) * 1999-05-12 2001-08-03 Matra Nortel Communications Method and stereophonic echo cancellation device filtering in the frequency domain
CA2373114C (en) * 1999-05-25 2007-03-27 British Telecommunications Public Limited Company Acoustic echo cancellation

Also Published As

Publication number Publication date
US20040174991A1 (en) 2004-09-09
US7403609B2 (en) 2008-07-22
EP1406397A4 (en) 2007-01-03
EP1406397B1 (en) 2009-12-02
CN1541456A (en) 2004-10-27
JP2003102085A (en) 2003-04-04
US20070258578A1 (en) 2007-11-08
US7925008B2 (en) 2011-04-12
US20070258579A1 (en) 2007-11-08
US7925006B2 (en) 2011-04-12
JP3506138B2 (en) 2004-03-15
WO2003007500A1 (en) 2003-01-23
DE60234600D1 (en) 2010-01-14
CN100488072C (en) 2009-05-13
EP1406397A1 (en) 2004-04-07

Similar Documents

Publication Publication Date Title
DE60218852D1 (en) Links
DE50202503D1 (en) Vliesperforierungsvorrichtung nebst procedure
DE60220795D1 (en) Verschleissanordnung
DE60221810D1 (en) Ballonfalttechnologie
DE60208057D1 (en) Kompositführungsdraht
DE60233043D1 (en) 2-iminoimidazolderivate
DE60238211D1 (en) nkopf
DE50204184D1 (en) Espressobrüheinrichtung
DE60210348D1 (en) Bildidentifierungssystem
DE60232264D1 (en) Suburethrale / zervikale ministütze
DE60209261D1 (en) Rich communication on the internet
DK1260750T3 (en) Rörforskruning
DE60221797D1 (en) Dosenzähleinrichtungen
DE60230521D1 (en) Fluiddruckreduzierventil
DK1453613T3 (en) Oplösningsapplikator
DE60226770D1 (en) Verkokungskammerentleerungssystem
DE60223353D1 (en) Donor
DK1278763T3 (en) 3-Nitrogen-6,7-dioxygen steroids and related applications
DK1425586T3 (en) Massemarkörer
DE60227724D1 (en) Spülrohranordnung
DE60100404D1 (en) Continuously variable transmission
DK1443917T3 (en) Tamsulosintabletter
DE60233806D1 (en) Tamponeinführhülse
DK1421062T3 (en) Cyclohexylsulfoner
DE60231497D1 (en) Gssystem and procedure

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties