DE59914782D1 - Verfahren zur Störbefreiung eines Mikrophonsignals - Google Patents

Verfahren zur Störbefreiung eines Mikrophonsignals

Info

Publication number
DE59914782D1
DE59914782D1 DE59914782T DE59914782T DE59914782D1 DE 59914782 D1 DE59914782 D1 DE 59914782D1 DE 59914782 T DE59914782 T DE 59914782T DE 59914782 T DE59914782 T DE 59914782T DE 59914782 D1 DE59914782 D1 DE 59914782D1
Authority
DE
Germany
Prior art keywords
signal
noise
microphone signal
noise removal
microphone
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE59914782T
Other languages
English (en)
Inventor
Hans-Joerg Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
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 Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Application granted granted Critical
Publication of DE59914782D1 publication Critical patent/DE59914782D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE59914782T 1998-04-03 1999-04-01 Verfahren zur Störbefreiung eines Mikrophonsignals Expired - Lifetime DE59914782D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19814971A DE19814971A1 (de) 1998-04-03 1998-04-03 Verfahren zur Störbefreiung eines Mikrophonsignals

Publications (1)

Publication Number Publication Date
DE59914782D1 true DE59914782D1 (de) 2008-07-24

Family

ID=7863491

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19814971A Withdrawn DE19814971A1 (de) 1998-04-03 1998-04-03 Verfahren zur Störbefreiung eines Mikrophonsignals
DE59914782T Expired - Lifetime DE59914782D1 (de) 1998-04-03 1999-04-01 Verfahren zur Störbefreiung eines Mikrophonsignals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19814971A Withdrawn DE19814971A1 (de) 1998-04-03 1998-04-03 Verfahren zur Störbefreiung eines Mikrophonsignals

Country Status (4)

Country Link
US (1) US6895095B1 (de)
EP (1) EP0948237B1 (de)
AT (1) ATE398326T1 (de)
DE (2) DE19814971A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19958836A1 (de) 1999-11-29 2001-05-31 Deutsche Telekom Ag Verfahren und Anordnung zur Verbesserung der Kommunikation in einem Fahrzeug
DE10041885A1 (de) * 2000-08-25 2002-03-07 Mueller Bbm Gmbh Sprachsignalübertragungssystem für Fahrzeuge
DE10052991A1 (de) * 2000-10-19 2002-05-02 Deutsche Telekom Ag Verfahren zur Ermittlung raumakustischer und elektroakustischer Parameter
DE10221990B4 (de) * 2002-05-17 2006-10-12 Audi Ag Reduzierung von Störgeräuschen an Autoradios mit Busanschlüssen
US20040047475A1 (en) * 2002-09-09 2004-03-11 Ford Global Technologies, Inc. Audio noise cancellation system for a sensor in an automotive vehicle
JP2005218010A (ja) * 2004-02-02 2005-08-11 Matsushita Electric Ind Co Ltd 車両用データ伝送システム
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7716046B2 (en) * 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7525440B2 (en) 2005-06-01 2009-04-28 Bose Corporation Person monitoring
EP1848243B1 (de) * 2006-04-18 2009-02-18 Harman/Becker Automotive Systems GmbH System und Verfahren zur Mehrkanal-Echokompensation
DE602006009770D1 (de) * 2006-05-08 2009-11-26 Harman Becker Automotive Sys Echoverringerung für zeitvariante Systeme
ATE436151T1 (de) * 2006-05-10 2009-07-15 Harman Becker Automotive Sys Kompensation von mehrkanalechos durch dekorrelation
EP1879181B1 (de) * 2006-07-11 2014-05-21 Nuance Communications, Inc. Verfahren zur Kompensation von Audiosignalkomponenten in einem Fahrzeugkommunikationssystem und Vorrichtung dafür
US20080063122A1 (en) * 2006-09-07 2008-03-13 Gwo-Jia Jong Method for suppressing co-channel interference from different frequency
ATE522078T1 (de) * 2006-12-18 2011-09-15 Harman Becker Automotive Sys Echokompensation mit geringer komplexität
US7577257B2 (en) * 2006-12-21 2009-08-18 Verizon Services Operations, Inc. Large scale quantum cryptographic key distribution network
US20080225688A1 (en) * 2007-03-14 2008-09-18 Kowalski John M Systems and methods for improving reference signals for spatially multiplexed cellular systems
ATE524015T1 (de) * 2007-05-22 2011-09-15 Harman Becker Automotive Sys Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz
ATE532324T1 (de) * 2007-07-16 2011-11-15 Nuance Communications Inc Verfahren und system zur verarbeitung von tonsignalen in einem multimediasystem eines fahrzeugs
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
EP2222091B1 (de) 2009-02-23 2013-04-24 Nuance Communications, Inc. Verfahren zum Bestimmen eines Satzes von Filterkoeffizienten für ein Mittel zur Kompensierung von akustischem Echo
EP2733699B1 (de) * 2011-10-07 2017-09-06 Panasonic Intellectual Property Corporation of America Skalierbare audiokodiervorrichtung und skalierbares audiokodierverfahren
DE102014214143B4 (de) * 2014-03-14 2015-12-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Signals im Frequenzbereich
US20180166073A1 (en) * 2016-12-13 2018-06-14 Ford Global Technologies, Llc Speech Recognition Without Interrupting The Playback Audio
KR102423744B1 (ko) * 2016-12-30 2022-07-21 하만 베커 오토모티브 시스템즈 게엠베하 음향 반향 제거
DE102017101497B4 (de) 2017-01-26 2020-08-27 Infineon Technologies Ag Mikro-Elektro-Mechanisches-System (MEMS) -Schaltkreis und Verfahren zum Rekonstruieren einer Störgröße

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601604A (nl) * 1986-06-20 1988-01-18 Philips Nv Frequentie-domein blok-adaptief digitaal filter.
JP2748626B2 (ja) * 1989-12-29 1998-05-13 日産自動車株式会社 能動型騒音制御装置
US5649012A (en) * 1995-09-15 1997-07-15 Hughes Electronics Method for synthesizing an echo path in an echo canceller
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
JP3654470B2 (ja) * 1996-09-13 2005-06-02 日本電信電話株式会社 サブバンド多チャネル音声通信会議用反響消去方法

Also Published As

Publication number Publication date
EP0948237B1 (de) 2008-06-11
DE19814971A1 (de) 1999-10-07
US6895095B1 (en) 2005-05-17
EP0948237A2 (de) 1999-10-06
ATE398326T1 (de) 2008-07-15
EP0948237A3 (de) 2006-02-08

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