ATE450983T1 - Kompensation des echos und der rückkopplung - Google Patents

Kompensation des echos und der rückkopplung

Info

Publication number
ATE450983T1
ATE450983T1 AT05009446T AT05009446T ATE450983T1 AT E450983 T1 ATE450983 T1 AT E450983T1 AT 05009446 T AT05009446 T AT 05009446T AT 05009446 T AT05009446 T AT 05009446T AT E450983 T1 ATE450983 T1 AT E450983T1
Authority
AT
Austria
Prior art keywords
audio signals
class
audio
loudspeaker
signal
Prior art date
Application number
AT05009446T
Other languages
English (en)
Inventor
Markus Christoph
Tim Haulick
Gerhard Uwe Schmidt
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE450983T1 publication Critical patent/ATE450983T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT05009446T 2005-04-29 2005-04-29 Kompensation des echos und der rückkopplung ATE450983T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05009446A EP1718103B1 (de) 2005-04-29 2005-04-29 Kompensation des Echos und der Rückkopplung

Publications (1)

Publication Number Publication Date
ATE450983T1 true ATE450983T1 (de) 2009-12-15

Family

ID=35005841

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05009446T ATE450983T1 (de) 2005-04-29 2005-04-29 Kompensation des echos und der rückkopplung

Country Status (4)

Country Link
US (1) US8165310B2 (de)
EP (1) EP1718103B1 (de)
AT (1) ATE450983T1 (de)
DE (1) DE602005018023D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101385386B (zh) * 2006-03-03 2012-05-09 日本电信电话株式会社 混响除去装置和混响除去方法
US8194873B2 (en) * 2006-06-26 2012-06-05 Davis Pan Active noise reduction adaptive filter leakage adjusting
WO2008122930A1 (en) * 2007-04-04 2008-10-16 Koninklijke Philips Electronics N.V. Sound enhancement in closed spaces
US8204242B2 (en) * 2008-02-29 2012-06-19 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8355512B2 (en) * 2008-10-20 2013-01-15 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8306240B2 (en) * 2008-10-20 2012-11-06 Bose Corporation Active noise reduction adaptive filter adaptation rate adjusting
WO2010105694A1 (en) * 2009-03-20 2010-09-23 Signal Processing Devices Sweden Ab Methods and apparatuses for compensation of i/q imbalance
EP2237271B1 (de) * 2009-03-31 2021-01-20 Cerence Operating Company Verfahren zur Bestimmung einer Signalkomponente zum Reduzieren von Rauschen in einem Eingangssignal
US8223943B2 (en) 2009-04-14 2012-07-17 Citrix Systems Inc. Systems and methods for computer and voice conference audio transmission during conference call via PSTN phone
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
EP2490218B1 (de) 2011-02-18 2019-09-25 Svox AG Verfahren zur Interferenzunterdrückung
US9728194B2 (en) * 2012-02-24 2017-08-08 Dolby International Ab Audio processing
EP2980789A1 (de) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verbesserung eines Audiosignals, Tonverbesserungssystem
EP3024252B1 (de) 2014-11-19 2018-01-31 Harman Becker Automotive Systems GmbH Tonsystem zur Erzeugung einer Klangzone
EP3133831A1 (de) * 2015-08-20 2017-02-22 Harman Becker Automotive Systems GmbH System und methode für kommunikation im auto
US10002601B2 (en) 2015-12-30 2018-06-19 Qualcomm Incorporated In-vehicle communication signal processing
US20180190306A1 (en) * 2017-01-04 2018-07-05 2236008 Ontario Inc. Voice interface and vocal entertainment system
DE102017200597B4 (de) * 2017-01-16 2020-03-26 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörsystems und Hörsystem
DE102018127071B3 (de) * 2018-10-30 2020-01-09 Harman Becker Automotive Systems Gmbh Audiosignalverarbeitung mit akustischer Echounterdrückung
US11211061B2 (en) 2019-01-07 2021-12-28 2236008 Ontario Inc. Voice control in a multi-talker and multimedia environment
CN117529772A (zh) * 2021-02-14 2024-02-06 赛朗声学技术有限公司 用于开放式声学耳机处的主动声学控制（aac）的设备、系统和方法
US11705101B1 (en) 2022-03-28 2023-07-18 International Business Machines Corporation Irrelevant voice cancellation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000508483A (ja) * 1996-04-03 2000-07-04 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 音響フィードバック補正
CN1111973C (zh) * 1996-08-01 2003-06-18 北方电讯网络有限公司 改进了的数字蜂窝应用的回波消除器
US6421998B1 (en) 2000-06-13 2002-07-23 The Boeing Company Thruster device responsive to solar radiation
US7171003B1 (en) * 2000-10-19 2007-01-30 Lear Corporation Robust and reliable acoustic echo and noise cancellation system for cabin communication
AU2002224413A1 (en) 2000-10-19 2002-04-29 Lear Corporation Transient processing for communication system
WO2002101728A1 (es) 2001-06-11 2002-12-19 Lear Automotive (Eeds) Spain, S.L. Metodo y sistema para cancelacion de exos y ruidos en entornos con condiciones acusticas variables y altamente realimentados
US7054451B2 (en) * 2001-07-20 2006-05-30 Koninklijke Philips Electronics N.V. Sound reinforcement system having an echo suppressor and loudspeaker beamformer
AU2002339995A1 (en) * 2001-09-24 2003-04-07 Clarity, Llc Selective sound enhancement
DE10153188C2 (de) * 2001-10-27 2003-08-21 Grundig Ag I Ins Vorrichtung und Verfahren zur mehrkanaligen akustischen Echokompensation mit variabler Kanalzahl

Also Published As

Publication number Publication date
DE602005018023D1 (de) 2010-01-14
EP1718103A1 (de) 2006-11-02
US20070110254A1 (en) 2007-05-17
EP1718103B1 (de) 2009-12-02
US8165310B2 (en) 2012-04-24

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Legal Events

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