BE866872A - Systeme d'audioconference par liaison telephonique - Google Patents
Systeme d'audioconference par liaison telephoniqueInfo
- 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
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)
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 (xx) |
BE (1) | BE866872A (xx) |
CA (1) | CA1093719A (xx) |
CH (1) | CH630208A5 (xx) |
DE (1) | DE2819981C2 (xx) |
FR (1) | FR2390864A1 (xx) |
IT (1) | IT1107405B (xx) |
NL (1) | NL7804996A (xx) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US20070253557A1 (en) * | 2006-05-01 | 2007-11-01 | Xudong Song | Methods And Apparatuses For Processing Audio Streams For Use With Multiple Devices |
US20070253558A1 (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 |
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 |
US11523212B2 (en) | 2018-06-01 | 2022-12-06 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
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 |
EP3854108A1 (en) | 2018-09-20 | 2021-07-28 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
EP3942845A1 (en) | 2019-03-21 | 2022-01-26 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
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 |
CN113841419A (zh) | 2019-03-21 | 2021-12-24 | 舒尔获得控股公司 | 天花板阵列麦克风的外壳及相关联设计特征 |
US11445294B2 (en) | 2019-05-23 | 2022-09-13 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
JP2022535229A (ja) | 2019-05-31 | 2022-08-05 | 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 | 音声およびノイズアクティビティ検出と統合された低レイテンシオートミキサー |
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 |
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 |
CN116918351A (zh) | 2021-01-28 | 2023-10-20 | 舒尔获得控股公司 | 混合音频波束成形系统 |
USD975688S1 (en) * | 2021-09-01 | 2023-01-17 | Shenzhen Vtop Electronic Co. Limited | USB conference microphone |
Family Cites Families (4)
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 |
-
1977
- 1977-05-09 FR FR7714092A patent/FR2390864A1/fr active Granted
-
1978
- 1978-05-08 CH CH494078A patent/CH630208A5/fr not_active IP Right Cessation
- 1978-05-08 DE DE2819981A patent/DE2819981C2/de not_active Expired
- 1978-05-08 US US05/903,916 patent/US4184048A/en not_active Expired - Lifetime
- 1978-05-09 IT IT84119/78A patent/IT1107405B/it active
- 1978-05-09 NL NL7804996A patent/NL7804996A/xx not_active Application Discontinuation
- 1978-05-09 CA CA302,956A patent/CA1093719A/en not_active Expired
- 1978-05-09 BE BE187536A patent/BE866872A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1093719A (en) | 1981-01-13 |
US4184048A (en) | 1980-01-15 |
DE2819981A1 (de) | 1978-11-16 |
FR2390864A1 (fr) | 1978-12-08 |
IT1107405B (it) | 1985-11-25 |
DE2819981C2 (de) | 1982-06-03 |
CH630208A5 (fr) | 1982-05-28 |
FR2390864B1 (xx) | 1982-03-12 |
NL7804996A (xx) | 1978-11-13 |
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 |