BE866872A - Systeme d'audioconference par liaison telephonique - Google Patents

Systeme d'audioconference par liaison telephonique

Info

Publication number
BE866872A
BE866872A BE187536A BE187536A BE866872A BE 866872 A BE866872 A BE 866872A BE 187536 A BE187536 A BE 187536A BE 187536 A BE187536 A BE 187536A BE 866872 A BE866872 A BE 866872A
Authority
BE
Belgium
Prior art keywords
telephone link
audioconference
audioconference system
telephone
link
Prior art date
Application number
BE187536A
Other languages
English (en)
French (fr)
Original Assignee
France Etat
Cie Francaise De Cables Sous M
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 France Etat, Cie Francaise De Cables Sous M filed Critical France Etat
Publication of BE866872A publication Critical patent/BE866872A/xx

Links

Classifications

    • 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
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE187536A 1977-05-09 1978-05-09 Systeme d'audioconference par liaison telephonique BE866872A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7714092A FR2390864A1 (fr) 1977-05-09 1977-05-09 Systeme d'audioconference par liaison telephonique

Publications (1)

Publication Number Publication Date
BE866872A true BE866872A (fr) 1978-09-01

Family

ID=9190548

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187536A BE866872A (fr) 1977-05-09 1978-05-09 Systeme d'audioconference par liaison telephonique

Country Status (8)

Country Link
US (1) US4184048A (it)
BE (1) BE866872A (it)
CA (1) CA1093719A (it)
CH (1) CH630208A5 (it)
DE (1) DE2819981C2 (it)
FR (1) FR2390864A1 (it)
IT (1) IT1107405B (it)
NL (1) NL7804996A (it)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
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USD259786S (en) 1978-10-03 1981-07-07 Northern Telecom Limited Conferencing telephone unit
US4264928A (en) * 1979-11-05 1981-04-28 Schober Gary W Conference video system
FR2484747A1 (fr) * 1980-06-11 1981-12-18 Faye Andre Procede et dispositif pour etablir des communications bidirectionnelles et/ou multidirectionnelles entre differentes personnes regroupees en differentes stations geographiquement eloignees et reliees entre elles par des lignes telephoniques
US4378468A (en) * 1980-10-10 1983-03-29 Darome, Inc. Methods and apparatus for alleviating sound-coupled feedback in conference room sound systems
JPS57125590A (en) * 1981-01-28 1982-08-04 Nec Corp Still picture transmitter
US4456792A (en) * 1982-11-18 1984-06-26 Bell Telephone Laboratories, Incorporated Voice switching arrangement for telephone conferencing
US4598418A (en) * 1985-02-05 1986-07-01 Griffith Jr Eugene R Sound system employing automatic proportional amplification
JPS61242499A (ja) * 1985-04-19 1986-10-28 シユア・ブラザ−ズ・インコ−ポレイテツド マイクロホン装置
DE3536044A1 (de) * 1985-10-09 1987-04-16 Weyel Kg Konferenztisch
US4837829A (en) * 1986-01-15 1989-06-06 Jaffe Acoustics, Inc. Acoustic sound system for a room
DE3609165A1 (de) * 1986-03-19 1987-09-24 Ant Nachrichtentech Videokonferenzraum-moebelausstattung
DE3734447C1 (de) * 1987-10-12 1989-05-18 Telefonbau & Normalzeit Gmbh Konferenz-Freisprecheinrichtung
USD311541S (en) 1987-10-27 1990-10-23 501 France Cables ET Radio Audioconference telephonic terminal set
USD307274S (en) 1988-04-27 1990-04-17 Nec Corporation Audio teleconference equipment with acoustic echo canceller
JPH01319360A (ja) * 1988-06-20 1989-12-25 Nec Corp 音声会議装置
US5121426A (en) * 1989-12-22 1992-06-09 At&T Bell Laboratories Loudspeaking telephone station including directional microphone
US5204908A (en) * 1990-09-26 1993-04-20 Lectrosonics, Inc. Sound system with rate controlled, variable attenuation
FR2682251B1 (fr) * 1991-10-02 1997-04-25 Prescom Sarl Procede et systeme de prise de son, et appareil de prise et de restitution de son.
US5185803A (en) * 1991-12-23 1993-02-09 Ford Motor Company Communication system for passenger vehicle
US5426510A (en) * 1992-06-05 1995-06-20 Dolman Associates, Inc. Audio-video system
US5353348A (en) * 1993-05-14 1994-10-04 Jrc International, Inc. Double echo cancelling system
CA2146688A1 (en) * 1994-05-04 1995-11-05 Gregory Ciurpita Jr. Microphone/loudspeakers and systems using multiple microphone/loudspeakers
US7539486B2 (en) * 2002-05-06 2009-05-26 Avaya Inc. Wireless teleconferencing system
US7752050B1 (en) * 2004-09-03 2010-07-06 Stryker Corporation Multiple-user voice-based control of devices in an endoscopic imaging system
US8443279B1 (en) 2004-10-13 2013-05-14 Stryker Corporation Voice-responsive annotation of video generated by an endoscopic camera
US20070253558A1 (en) * 2006-05-01 2007-11-01 Xudong Song Methods and apparatuses for processing audio streams for use with multiple devices
US20070253557A1 (en) * 2006-05-01 2007-11-01 Xudong Song Methods And Apparatuses For Processing Audio Streams For Use With Multiple Devices
US20080118053A1 (en) * 2006-11-21 2008-05-22 Beam J Wade Speak-up
JP4871898B2 (ja) * 2008-03-04 2012-02-08 キヤノン株式会社 情報処理装置ならびに情報処理装置の制御方法
US8054991B2 (en) * 2008-04-17 2011-11-08 Panasonic Corporation Sound pickup apparatus and conference telephone
USD731996S1 (en) 2012-10-15 2015-06-16 Dolby Laboratories Licensing Corporation Telecommunications device
WO2014062389A2 (en) * 2012-10-15 2014-04-24 Dolby Laboratories Licensing Corporation A telecommunications device
US9271069B2 (en) * 2014-01-27 2016-02-23 Revolabs, Inc Microphone housing arrangement for an audio conference system
USD784963S1 (en) 2015-03-06 2017-04-25 Dolby Laboratories Licensing Corporation Electronic device
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
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
USD876400S1 (en) * 2018-06-06 2020-02-25 Logitech Europe S.A. Microphone hub
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
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
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
JP7572964B2 (ja) 2019-03-21 2024-10-24 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
TW202101422A (zh) 2019-05-23 2021-01-01 美商舒爾獲得控股公司 可操縱揚聲器陣列、系統及其方法
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
US10904657B1 (en) * 2019-10-11 2021-01-26 Plantronics, Inc. Second-order gradient microphone system with baffles for teleconferencing
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
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
JP7814400B2 (ja) 2021-01-28 2026-02-16 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
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
USD975688S1 (en) * 2021-09-01 2023-01-17 Shenzhen Vtop Electronic Co. Limited USB conference microphone
US12289584B2 (en) 2021-10-04 2025-04-29 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (en) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12598261B2 (en) 2022-09-28 2026-04-07 Shure Acquisition Holdings, Inc. Wideband doubletalk detection for optimization of acoustic echo cancellation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1102020A (en) * 1965-08-26 1968-02-07 Peter Heaton Improvements relating to digital telephone systems
GB1329575A (en) * 1970-01-26 1973-09-12 Reid A A L Group communication apparatus
US3882276A (en) * 1974-03-22 1975-05-06 Bell Telephone Labor Inc Conferencing system utilizing oppositely phased hybrids
US3944736A (en) * 1974-06-05 1976-03-16 General Electric Company Voice-operated switching circuit for a video communications system

Also Published As

Publication number Publication date
IT1107405B (it) 1985-11-25
CA1093719A (en) 1981-01-13
FR2390864B1 (it) 1982-03-12
FR2390864A1 (fr) 1978-12-08
DE2819981A1 (de) 1978-11-16
NL7804996A (it) 1978-11-13
DE2819981C2 (de) 1982-06-03
CH630208A5 (fr) 1982-05-28
US4184048A (en) 1980-01-15
IT7884119A0 (it) 1978-05-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ETAT FRANCAIS REPRESENTE PAR LE SECRETAIRE D ETA

Effective date: 19900531

Owner name: CIE FRANCAISE DE CABLES SOUS-MARINS ET DE RADIO(

Effective date: 19900531