ATE396582T1 - Verringerung der rückkopplung von kommunikationssystemen - Google Patents

Verringerung der rückkopplung von kommunikationssystemen

Info

Publication number
ATE396582T1
ATE396582T1 AT05000404T AT05000404T ATE396582T1 AT E396582 T1 ATE396582 T1 AT E396582T1 AT 05000404 T AT05000404 T AT 05000404T AT 05000404 T AT05000404 T AT 05000404T AT E396582 T1 ATE396582 T1 AT E396582T1
Authority
AT
Austria
Prior art keywords
filtering means
processing
adaptive feedback
communication systems
microphone signal
Prior art date
Application number
AT05000404T
Other languages
English (en)
Inventor
Tim Haulick
Gerhard Uwe Schmidt
Harald Lenhardt
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 ATE396582T1 publication Critical patent/ATE396582T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082Two-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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transceivers (AREA)
AT05000404T 2005-01-11 2005-01-11 Verringerung der rückkopplung von kommunikationssystemen ATE396582T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05000404A EP1679874B1 (de) 2005-01-11 2005-01-11 Verringerung der Rückkopplung von Kommunikationssystemen

Publications (1)

Publication Number Publication Date
ATE396582T1 true ATE396582T1 (de) 2008-06-15

Family

ID=34933245

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05000404T ATE396582T1 (de) 2005-01-11 2005-01-11 Verringerung der rückkopplung von kommunikationssystemen

Country Status (5)

Country Link
US (1) US8175290B2 (de)
EP (1) EP1679874B1 (de)
AT (1) ATE396582T1 (de)
DE (1) DE602005006957D1 (de)
WO (1) WO2006089595A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2018034B1 (de) * 2007-07-16 2011-11-02 Nuance Communications, Inc. Verfahren und System zur Verarbeitung von Tonsignalen in einem Multimediasystem eines Fahrzeugs
JP2009049977A (ja) * 2007-07-26 2009-03-05 Yamaha Corp エコーキャンセラ
WO2009045649A1 (en) * 2007-08-20 2009-04-09 Neural Audio Corporation Phase decorrelation for audio processing
US9271090B2 (en) * 2007-12-07 2016-02-23 Wolfson Dynamic Hearing Pty Ltd Entrainment resistant feedback cancellation
DK2148525T3 (da) * 2008-07-24 2013-08-19 Oticon As Kodebogsbaseret estimering af tilbagekoblingsvej
US8924204B2 (en) * 2010-11-12 2014-12-30 Broadcom Corporation Method and apparatus for wind noise detection and suppression using multiple microphones
EP2490459B1 (de) 2011-02-18 2018-04-11 Svox AG Verfahren zur Sprachsignalmischung
US20140270241A1 (en) * 2013-03-15 2014-09-18 CSR Technology, Inc Method, apparatus, and manufacture for two-microphone array speech enhancement for an automotive environment
GB2534725B (en) * 2013-09-12 2020-09-16 Cirrus Logic Int Semiconductor Ltd Multi-channel microphone mapping
US10002601B2 (en) * 2015-12-30 2018-06-19 Qualcomm Incorporated In-vehicle communication signal processing
EP3288285B1 (de) * 2016-08-26 2019-10-30 Starkey Laboratories, Inc. Verfahren und vorrichtung zur robusten akustischen rückkopplungsunterdrückung
US10390136B2 (en) * 2016-12-13 2019-08-20 Yamaha Corporation Howling suppression device and howling suppression method
US10938994B2 (en) * 2018-06-25 2021-03-02 Cypress Semiconductor Corporation Beamformer and acoustic echo canceller (AEC) system
US20230319488A1 (en) * 2022-03-29 2023-10-05 The Board Of Trustees Of The University Of Illinois Crosstalk cancellation and adaptive binaural filtering for listening system using remote signal sources and on-ear microphones
FR3141302B1 (fr) * 2022-10-21 2024-09-06 Continental Automotive Tech Gmbh Procédé de détection d’un effet larsen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108237A (en) 1997-07-17 2000-08-22 Micron Technology, Inc. Fast-sensing amplifier for flash memory
US6496581B1 (en) 1997-09-11 2002-12-17 Digisonix, Inc. Coupled acoustic echo cancellation system
US6665410B1 (en) * 1998-05-12 2003-12-16 John Warren Parkins Adaptive feedback controller with open-loop transfer function reference suited for applications such as active noise control
US6665411B2 (en) 2001-02-21 2003-12-16 Digisonix Llc DVE system with instability detection
WO2002093774A1 (en) * 2001-05-17 2002-11-21 Stmicroelectronics Asia Pacific Pte Ltd Echo canceller and a method of cancelling echo
JP4077383B2 (ja) * 2003-09-10 2008-04-16 松下電器産業株式会社 能動型振動騒音制御装置

Also Published As

Publication number Publication date
US20080025527A1 (en) 2008-01-31
DE602005006957D1 (de) 2008-07-03
EP1679874A1 (de) 2006-07-12
EP1679874B1 (de) 2008-05-21
WO2006089595A1 (en) 2006-08-31
US8175290B2 (en) 2012-05-08

Similar Documents

Publication Publication Date Title
ATE396582T1 (de) Verringerung der rückkopplung von kommunikationssystemen
WO2004103013A3 (en) A method and system for self-compensating for microphone non-uniformities
EP2465200A4 (de) System zur erhöhung der wahrgenommenen lautstärke eines lautsprechers
DE602006005228D1 (de) System und Verfahren zur Mehrkanal-Echokompensation
ATE522985T1 (de) Akustische echokompensierung
WO2013162831A3 (en) Coordinated control of adaptive noise cancellation (anc) among earspeaker channels
IN2014KN02284A (de)
WO2012166507A3 (en) Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (anc)
WO2008045985A3 (en) Microphone microchip device with differential mode noise suppression
WO2014168685A3 (en) Systems and methods for multi-mode adaptive noise cancellation for audio headsets
ATE398326T1 (de) Verfahren zur störbefreiung eines mikrophonsignals
WO2008002874A3 (en) Active noise reduction with adaptive filter leakage adjusting
JP2014519758A5 (de)
WO2009059038A3 (en) Observer-based cancellation system for implantable hearing instruments
WO2006130226A3 (en) Audio codec post-filter
FI20126083A7 (fi) Menetelmä kohinanvaimennuksen ja äänenlaadun yhteiseksi optimoimiseksi yksi- tai monimikrofonijärjestelmässä
WO2007004188A3 (en) Apparatus and method for acoustic beamforming
CN101848288A (zh) 一种麦克风的模拟降噪系统及方法
DK2165567T3 (da) Fremgangsmåde til feedbackophævelse i et høreapparat og et høreapparat
WO2008014018A8 (en) System and method for noise canceling in a portable mobile communication device coupled with a headset assembly and corresponding computer program product
FR2908003B1 (fr) Procede de reduction de l'echo acoustique residuel apres supression d'echo dans un dispositif"mains libres"
DE602006009770D1 (de) Echoverringerung für zeitvariante Systeme
ATE495523T1 (de) Vorrichtung zur geräuschunterdrückung bei einem audiosignal
DE602006014836D1 (de) Verfahren und system zur echolöschung bei wenig verzögerung
US11102574B2 (en) MEMS microphone module

Legal Events

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