ATE398326T1 - Verfahren zur störbefreiung eines mikrophonsignals - Google Patents

Verfahren zur störbefreiung eines mikrophonsignals

Info

Publication number
ATE398326T1
ATE398326T1 AT99106123T AT99106123T ATE398326T1 AT E398326 T1 ATE398326 T1 AT E398326T1 AT 99106123 T AT99106123 T AT 99106123T AT 99106123 T AT99106123 T AT 99106123T AT E398326 T1 ATE398326 T1 AT E398326T1
Authority
AT
Austria
Prior art keywords
signal
microphone signal
noise
eliminate interference
microphone
Prior art date
Application number
AT99106123T
Other languages
English (en)
Inventor
Hans-Joerg Thomas
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 ATE398326T1 publication Critical patent/ATE398326T1/de

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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • 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)
AT99106123T 1998-04-03 1999-04-01 Verfahren zur störbefreiung eines mikrophonsignals ATE398326T1 (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
ATE398326T1 true ATE398326T1 (de) 2008-07-15

Family

ID=7863491

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99106123T ATE398326T1 (de) 1998-04-03 1999-04-01 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)

Families Citing this family (34)

* 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
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
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
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
ATE445966T1 (de) * 2006-05-08 2009-10-15 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
EP1936939B1 (de) * 2006-12-18 2011-08-24 Harman Becker Automotive Systems GmbH 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
EP1995940B1 (de) * 2007-05-22 2011-09-07 Harman Becker Automotive Systems GmbH 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
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource 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
CN102043168B (zh) 2010-10-15 2012-11-07 中国石油化工股份有限公司 一种对数字信号进行仿真加噪的处理方法
JP6062861B2 (ja) * 2011-10-07 2017-01-18 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置及び符号化方法
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
WO2018121972A1 (en) * 2016-12-30 2018-07-05 Harman Becker Automotive Systems Gmbh Acoustic echo canceling
DE102017101497B4 (de) 2017-01-26 2020-08-27 Infineon Technologies Ag Mikro-Elektro-Mechanisches-System (MEMS) -Schaltkreis und Verfahren zum Rekonstruieren einer Störgröße
DE102018204687B3 (de) * 2018-03-27 2019-06-13 Infineon Technologies Ag MEMS Mikrofonmodul

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
US6895095B1 (en) 2005-05-17
EP0948237B1 (de) 2008-06-11
DE19814971A1 (de) 1999-10-07
EP0948237A2 (de) 1999-10-06
EP0948237A3 (de) 2006-02-08
DE59914782D1 (de) 2008-07-24

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Legal Events

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REN Ceased due to non-payment of the annual fee