DE60137389D1 - Verfahren zur Bearbeitung von Fernsprachsignalwirkungen in Freisprechsystemen durch akustische Strahlbildung - Google Patents

Verfahren zur Bearbeitung von Fernsprachsignalwirkungen in Freisprechsystemen durch akustische Strahlbildung

Info

Publication number
DE60137389D1
DE60137389D1 DE60137389T DE60137389T DE60137389D1 DE 60137389 D1 DE60137389 D1 DE 60137389D1 DE 60137389 T DE60137389 T DE 60137389T DE 60137389 T DE60137389 T DE 60137389T DE 60137389 D1 DE60137389 D1 DE 60137389D1
Authority
DE
Germany
Prior art keywords
hands
speech signal
free systems
remote speech
signal effects
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
DE60137389T
Other languages
English (en)
Inventor
Franck Beaucoup
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.)
Mitel Networks Corp
Original Assignee
Mitel Networks Corp
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 Mitel Networks Corp filed Critical Mitel Networks Corp
Application granted granted Critical
Publication of DE60137389D1 publication Critical patent/DE60137389D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DE60137389T 2000-10-06 2001-10-05 Verfahren zur Bearbeitung von Fernsprachsignalwirkungen in Freisprechsystemen durch akustische Strahlbildung Expired - Lifetime DE60137389D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0024582A GB2367730B (en) 2000-10-06 2000-10-06 Method and apparatus for minimizing far-end speech effects in hands-free telephony systems using acoustic beamforming

Publications (1)

Publication Number Publication Date
DE60137389D1 true DE60137389D1 (de) 2009-03-05

Family

ID=9900840

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60137389T Expired - Lifetime DE60137389D1 (de) 2000-10-06 2001-10-05 Verfahren zur Bearbeitung von Fernsprachsignalwirkungen in Freisprechsystemen durch akustische Strahlbildung

Country Status (5)

Country Link
US (1) US20020041679A1 (de)
EP (1) EP1195978B1 (de)
CA (1) CA2358044C (de)
DE (1) DE60137389D1 (de)
GB (1) GB2367730B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0317158D0 (en) * 2003-07-23 2003-08-27 Mitel Networks Corp A method to reduce acoustic coupling in audio conferencing systems
GB2412034A (en) * 2004-03-10 2005-09-14 Mitel Networks Corp Optimising speakerphone performance based on tilt angle
US20100223934A1 (en) * 2009-03-06 2010-09-09 Mccormick Stephen A Thermoacoustic Refrigerator For Cryogenic Freezing
WO2011073735A1 (en) * 2009-12-18 2011-06-23 Telefonaktiebolaget L M Ericsson (Publ) Activity actuated speech enhancement in multi-microphone teleconference systems
US9264553B2 (en) * 2011-06-11 2016-02-16 Clearone Communications, Inc. Methods and apparatuses for echo cancelation with beamforming microphone arrays
US9338551B2 (en) * 2013-03-15 2016-05-10 Broadcom Corporation Multi-microphone source tracking and noise suppression
US9570087B2 (en) 2013-03-15 2017-02-14 Broadcom Corporation Single channel suppression of interfering sources
US20150371655A1 (en) * 2014-06-19 2015-12-24 Yang Gao Acoustic Echo Preprocessing for Speech Enhancement
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9659576B1 (en) 2016-06-13 2017-05-23 Biamp Systems Corporation Beam forming and acoustic echo cancellation with mutual adaptation control
JP6634354B2 (ja) * 2016-07-20 2020-01-22 ホシデン株式会社 緊急通報システム用ハンズフリー通話装置
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10586538B2 (en) 2018-04-25 2020-03-10 Comcast Cable Comminications, LLC Microphone array beamforming control
CN112335261B (zh) 2018-06-01 2023-07-18 舒尔获得控股公司 图案形成麦克风阵列
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US10854216B2 (en) * 2019-02-15 2020-12-01 Crestron Electronics, Inc. Adaptive beamforming microphone metadata transmission to coordinate acoustic echo cancellation in an audio conferencing system
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
US11438691B2 (en) 2019-03-21 2022-09-06 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
WO2020237206A1 (en) 2019-05-23 2020-11-26 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
EP4018680A1 (de) 2019-08-23 2022-06-29 Shure Acquisition Holdings, Inc. Zweidimensionale mikrofonanordnung mit verbesserter richtcharakteristik
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
JP2024505068A (ja) 2021-01-28 2024-02-02 シュアー アクイジッション ホールディングス インコーポレイテッド ハイブリッドオーディオビーム形成システム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01319360A (ja) * 1988-06-20 1989-12-25 Nec Corp 音声会議装置
DE69011709T2 (de) * 1989-03-10 1994-12-15 Nippon Telegraph & Telephone Einrichtung zur Feststellung eines akustischen Signals.
JPH06104970A (ja) * 1992-09-18 1994-04-15 Fujitsu Ltd 拡声電話機
US5323458A (en) * 1993-10-25 1994-06-21 Motorola Inc. Echo cancellation in a full-duplex speakerphone
US5796819A (en) * 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
US6449593B1 (en) * 2000-01-13 2002-09-10 Nokia Mobile Phones Ltd. Method and system for tracking human speakers

Also Published As

Publication number Publication date
CA2358044A1 (en) 2002-04-06
CA2358044C (en) 2004-12-07
EP1195978B1 (de) 2009-01-14
GB2367730A (en) 2002-04-10
EP1195978A3 (de) 2003-05-21
EP1195978A2 (de) 2002-04-10
GB0024582D0 (en) 2000-11-22
US20020041679A1 (en) 2002-04-11
GB2367730B (en) 2005-04-27

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