DE69942944D1 - Telekonferenzsystem - Google Patents

Telekonferenzsystem

Info

Publication number
DE69942944D1
DE69942944D1 DE69942944T DE69942944T DE69942944D1 DE 69942944 D1 DE69942944 D1 DE 69942944D1 DE 69942944 T DE69942944 T DE 69942944T DE 69942944 T DE69942944 T DE 69942944T DE 69942944 D1 DE69942944 D1 DE 69942944D1
Authority
DE
Germany
Prior art keywords
tele
conference system
conference
tele conference
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
DE69942944T
Other languages
English (en)
Inventor
Peter James Hughes
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Priority claimed from GBGB9807745.6A external-priority patent/GB9807745D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69942944D1 publication Critical patent/DE69942944D1/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/002—Applications of echo suppressors or cancellers in telephonic connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/567—Multimedia conference systems
DE69942944T 1998-04-08 1999-04-07 Telekonferenzsystem Expired - Lifetime DE69942944D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9807745.6A GB9807745D0 (en) 1998-04-08 1998-04-08 Teleconferencing system
EP98302763 1998-04-08
PCT/GB1999/001061 WO1999053673A1 (en) 1998-04-08 1999-04-07 Teleconferencing system

Publications (1)

Publication Number Publication Date
DE69942944D1 true DE69942944D1 (de) 2010-12-30

Family

ID=26151207

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69903012T Expired - Fee Related DE69903012T2 (de) 1998-04-08 1999-04-07 Echokompensation
DE69942944T Expired - Lifetime DE69942944D1 (de) 1998-04-08 1999-04-07 Telekonferenzsystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69903012T Expired - Fee Related DE69903012T2 (de) 1998-04-08 1999-04-07 Echokompensation

Country Status (6)

Country Link
US (2) US6931123B1 (de)
EP (2) EP1070417B1 (de)
JP (2) JP2002511715A (de)
AU (2) AU3430099A (de)
DE (2) DE69903012T2 (de)
WO (2) WO1999053673A1 (de)

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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
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
CN107105366B (zh) * 2017-06-15 2022-09-23 歌尔股份有限公司 一种多通道回声消除电路、方法和智能设备
US10110994B1 (en) 2017-11-21 2018-10-23 Nokia Technologies Oy Method and apparatus for providing voice communication with spatial audio
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US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN112889296A (zh) 2018-09-20 2021-06-01 舒尔获得控股公司 用于阵列麦克风的可调整的波瓣形状
US10887467B2 (en) 2018-11-20 2021-01-05 Shure Acquisition Holdings, Inc. System and method for distributed call processing and audio reinforcement in conferencing environments
JP2022526761A (ja) 2019-03-21 2022-05-26 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 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置
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
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Also Published As

Publication number Publication date
EP1070416B1 (de) 2010-11-17
JP2002511715A (ja) 2002-04-16
AU3430099A (en) 1999-11-01
US6931123B1 (en) 2005-08-16
DE69903012T2 (de) 2003-04-30
AU3430199A (en) 1999-11-01
EP1070417A1 (de) 2001-01-24
WO1999053674A1 (en) 1999-10-21
US7245710B1 (en) 2007-07-17
EP1070417B1 (de) 2002-09-18
JP4166435B2 (ja) 2008-10-15
EP1070416A1 (de) 2001-01-24
WO1999053673A1 (en) 1999-10-21
JP2002511714A (ja) 2002-04-16
DE69903012D1 (de) 2002-10-24

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