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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8271277B2 (en) * 2006-03-03 2012-09-18 Nippon Telegraph And Telephone Corporation Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium
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
CN102396199B (zh) * 2009-03-20 2014-08-20 瑞典信号处理设备公司 用于补偿i/q不平衡的方法和装置
EP2237271B1 (de) * 2009-03-31 2021-01-20 Cerence Operating Company Verfahren zur Bestimmung einer Signalkomponente zum Reduzieren von Rauschen in einem Eingangssignal
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
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
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
EP3349485A1 (de) 2014-11-19 2018-07-18 Harman Becker Automotive Systems GmbH Tonsystem zur erzeugung einer klangzone unter verwendung von multiple-error least-mean-square (melms) adaptation
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
US11348595B2 (en) * 2017-01-04 2022-05-31 Blackberry Limited 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
CA2249283C (en) * 1996-04-03 2003-06-03 British Telecommunications Public Limited Company Acoustic feedback correction
DE69627359T2 (de) * 1996-08-01 2003-10-30 Nortel Networks Ltd., St. Laurent Verbesserter echokompensator mit anwendung in der digitalen telefonie
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
DE60120233D1 (de) 2001-06-11 2006-07-06 Lear Automotive Eeds Spain Verfahren und system zum unterdrücken von echos und geräuschen in umgebungen unter variablen akustischen und stark rückgekoppelten bedingungen
KR20040019339A (ko) * 2001-07-20 2004-03-05 코닌클리케 필립스 일렉트로닉스 엔.브이. 반향 억제기 및 확성기 빔 형성기를 구비한 사운드 보강시스템
KR20040044982A (ko) * 2001-09-24 2004-05-31 클라리티 엘엘씨 선택적인 사운드 증강
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
US8165310B2 (en) 2012-04-24
EP1718103B1 (de) 2009-12-02
US20070110254A1 (en) 2007-05-17
EP1718103A1 (de) 2006-11-02

Similar Documents

Publication Publication Date Title
ATE450983T1 (de) Kompensation des echos und der rückkopplung
DE602006006664D1 (de) Reduzierung von Hintergrundrauschen in Freisprechsystemen
JP5371197B2 (ja) マルチチャネルエコー補正システムおよび方法
WO2009043842A8 (en) Hearing aid system with feedback arrangement to predict and cancel acoustic feedback, method and use
ATE436151T1 (de) Kompensation von mehrkanalechos durch dekorrelation
ATE521064T1 (de) Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen
CN104243732A (zh) 振动传感器在回声消除中的使用
DK2165567T3 (da) Fremgangsmåde til feedbackophævelse i et høreapparat og et høreapparat
WO2004045244A8 (en) Adaptative noise canceling microphone system
ATE464738T1 (de) Echolöschung
DK1974587T3 (da) Fremgangsmåde og system til udligning af en højttaler i et lokale
US9344050B2 (en) Dynamic speaker management with echo cancellation
TW200615902A (en) Adaptive beamformer, sidelobe canceller, handsfree speech communication device
ATE476733T1 (de) Verfahren zum verarbeiten eines rauschbehafteten tonsignals und einrichtung zur implementierung des verfahrens
ATE415048T1 (de) Verbesserte kommunikation für innenräume von kraftfahrzeugen
WO2008045985A3 (en) Microphone microchip device with differential mode noise suppression
ATE410820T1 (de) Verstärkerschaltung für kapazitive umformer
DK1825712T3 (da) Høreapparat med tilbagekoblingsmodelforstærkningsestimation
DE602006005529D1 (de) Klasse-D Verstärker
WO2009044562A1 (ja) マイクロホンを用いた雑音抽出装置
DK1992193T3 (da) Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat
EP1703767A3 (de) Rückkopplungsunterdrükungsvorrichtung und Schallverstärkungssystem
ATE435572T1 (de) Hörgerät mit störschallunterdrückung und entsprechendes verfahren
DE502006005495D1 (de) Verfahren zum Betrieb eines Hörhilfegerätesystems zur binauralen Versorgung eines Benutzers
EA202092486A1 (ru) Чехол для мобильного телефона, обеспечивающий пассивное шумоподавление входных звуковых сигналов микрофона

Legal Events

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