ATE450977T1 - Schaltungsanordnung zur unterdrückung akustischer echos bei einer freisprecheinrichtung verwendbar mit einem tragbaren telefon - Google Patents

Schaltungsanordnung zur unterdrückung akustischer echos bei einer freisprecheinrichtung verwendbar mit einem tragbaren telefon

Info

Publication number
ATE450977T1
ATE450977T1 AT07823412T AT07823412T ATE450977T1 AT E450977 T1 ATE450977 T1 AT E450977T1 AT 07823412 T AT07823412 T AT 07823412T AT 07823412 T AT07823412 T AT 07823412T AT E450977 T1 ATE450977 T1 AT E450977T1
Authority
AT
Austria
Prior art keywords
stage
hands
circuit arrangement
portable telephone
free device
Prior art date
Application number
AT07823412T
Other languages
English (en)
Inventor
Henri Seydoux
Original Assignee
Parrot
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 Parrot filed Critical Parrot
Application granted granted Critical
Publication of ATE450977T1 publication Critical patent/ATE450977T1/de

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Mobile Radio Communication Systems (AREA)
AT07823412T 2006-10-26 2007-08-10 Schaltungsanordnung zur unterdrückung akustischer echos bei einer freisprecheinrichtung verwendbar mit einem tragbaren telefon ATE450977T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0609397A FR2908005B1 (fr) 2006-10-26 2006-10-26 Circuit de reduction de l'echo acoustique pour un dispositif "mains libres"utilisable avec un telephone portable
PCT/FR2007/001360 WO2008049981A1 (fr) 2006-10-26 2007-08-10 Circuit de réduction de l'écho acoustique pour un dispositif 'mains libres' utilisable avec un téléphone portable

Publications (1)

Publication Number Publication Date
ATE450977T1 true ATE450977T1 (de) 2009-12-15

Family

ID=37983375

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07823412T ATE450977T1 (de) 2006-10-26 2007-08-10 Schaltungsanordnung zur unterdrückung akustischer echos bei einer freisprecheinrichtung verwendbar mit einem tragbaren telefon

Country Status (8)

Country Link
US (1) US20100166199A1 (de)
EP (1) EP2057834B1 (de)
AT (1) ATE450977T1 (de)
DE (1) DE602007003613D1 (de)
ES (1) ES2337956T3 (de)
FR (1) FR2908005B1 (de)
PT (1) PT2057834E (de)
WO (1) WO2008049981A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8369511B2 (en) * 2006-12-26 2013-02-05 Huawei Technologies Co., Ltd. Robust method of echo suppressor
US8521530B1 (en) * 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8737636B2 (en) * 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
EP2395506B1 (de) * 2010-06-09 2012-08-22 Siemens Medical Instruments Pte. Ltd. Verfahren und Schallsignalverarbeitungssystem zur Unterdrückung von Interferenzen und Rauschen in binauralen Mikrofonkonfigurationen
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9495951B2 (en) * 2013-01-17 2016-11-15 Nvidia Corporation Real time audio echo and background noise reduction for a mobile device
US10135968B2 (en) * 2013-04-15 2018-11-20 Nuance Communications, Inc. System and method for acoustic echo cancellation
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
CN108322859A (zh) * 2018-02-05 2018-07-24 北京百度网讯科技有限公司 用于回声消除的设备、方法和计算机可读存储介质
CN108461083B (zh) * 2018-03-23 2024-06-21 北京小米移动软件有限公司 电子设备主板、音频处理方法、装置和电子设备
WO2021003334A1 (en) * 2019-07-03 2021-01-07 The Board Of Trustees Of The University Of Illinois Separating space-time signals with moving and asynchronous arrays
US11984107B2 (en) * 2022-07-13 2024-05-14 Analog Devices International Unlimited Company Audio signal processing method and system for echo suppression using an MMSE-LSA estimator

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2107316C (en) * 1992-11-02 1996-12-17 Roger David Benning Electronic cancellation of ambient noise in telephone receivers
GB2274372A (en) * 1992-12-02 1994-07-20 Ibm Adaptive noise cancellation device
US5761318A (en) * 1995-09-26 1998-06-02 Nippon Telegraph And Telephone Corporation Method and apparatus for multi-channel acoustic echo cancellation
US6442275B1 (en) * 1998-09-17 2002-08-27 Lucent Technologies Inc. Echo canceler including subband echo suppressor
US6970558B1 (en) * 1999-02-26 2005-11-29 Infineon Technologies Ag Method and device for suppressing noise in telephone devices
JP3640576B2 (ja) * 1999-09-07 2005-04-20 沖電気工業株式会社 エコーキャンセラ、及びその動作方法
US6526140B1 (en) * 1999-11-03 2003-02-25 Tellabs Operations, Inc. Consolidated voice activity detection and noise estimation
US6757395B1 (en) * 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
JP3862545B2 (ja) * 2001-10-22 2006-12-27 沖電気工業株式会社 エコーキャンセラ
ATE324763T1 (de) * 2003-08-21 2006-05-15 Bernafon Ag Verfahren zur verarbeitung von audiosignalen
US7099458B2 (en) * 2003-12-12 2006-08-29 Motorola, Inc. Downlink activity and double talk probability detector and method for an echo canceler circuit
FR2898209B1 (fr) * 2006-03-01 2008-12-12 Parrot Sa Procede de debruitage d'un signal audio
US7885810B1 (en) * 2007-05-10 2011-02-08 Mediatek Inc. Acoustic signal enhancement method and apparatus

Also Published As

Publication number Publication date
EP2057834A1 (de) 2009-05-13
EP2057834B1 (de) 2009-12-02
ES2337956T3 (es) 2010-04-30
FR2908005B1 (fr) 2009-04-03
DE602007003613D1 (de) 2010-01-14
US20100166199A1 (en) 2010-07-01
PT2057834E (pt) 2010-03-08
FR2908005A1 (fr) 2008-05-02
WO2008049981A1 (fr) 2008-05-02

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