DE69432237D1 - Konferenzanordnung für komprimierte Informationssignale - Google Patents
Konferenzanordnung für komprimierte InformationssignaleInfo
- Publication number
- DE69432237D1 DE69432237D1 DE69432237T DE69432237T DE69432237D1 DE 69432237 D1 DE69432237 D1 DE 69432237D1 DE 69432237 T DE69432237 T DE 69432237T DE 69432237 T DE69432237 T DE 69432237T DE 69432237 D1 DE69432237 D1 DE 69432237D1
- Authority
- DE
- Germany
- Prior art keywords
- information signals
- compressed information
- conference arrangement
- conference
- arrangement
- 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
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/036,588 US5390177A (en) | 1993-03-24 | 1993-03-24 | Conferencing arrangement for compressed information signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69432237D1 true DE69432237D1 (de) | 2003-04-17 |
DE69432237T2 DE69432237T2 (de) | 2003-10-30 |
Family
ID=21889449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69432237T Expired - Lifetime DE69432237T2 (de) | 1993-03-24 | 1994-03-15 | Konferenzanordnung für komprimierte Informationssignale |
Country Status (5)
Country | Link |
---|---|
US (1) | US5390177A (de) |
EP (1) | EP0617537B1 (de) |
JP (1) | JPH0795300A (de) |
CA (1) | CA2114868C (de) |
DE (1) | DE69432237T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5949891A (en) * | 1993-11-24 | 1999-09-07 | Intel Corporation | Filtering audio signals from a combined microphone/speaker earpiece |
US5570363A (en) * | 1994-09-30 | 1996-10-29 | Intel Corporation | Transform based scalable audio compression algorithms and low cost audio multi-point conferencing systems |
JP3199582B2 (ja) * | 1994-10-27 | 2001-08-20 | 松下電器産業株式会社 | ディジタル音声伝送装置 |
EP0779732A3 (de) * | 1995-12-12 | 2000-05-10 | OnLive! Technologies, Inc. | Mehrpunkt-Sprachkonferenzsystem über ein Weitbereichsnetz |
US7012630B2 (en) * | 1996-02-08 | 2006-03-14 | Verizon Services Corp. | Spatial sound conference system and apparatus |
CN1135786C (zh) * | 1996-03-27 | 2004-01-21 | 摩托罗拉公司 | 在无线通信系统中用来提供多方话音连接的方法和装置 |
US5754534A (en) * | 1996-05-06 | 1998-05-19 | Nahumi; Dror | Delay synchronization in compressed audio systems |
AUPN988996A0 (en) * | 1996-05-16 | 1996-06-06 | Unisearch Limited | Compression and coding of audio-visual services |
JP2907279B2 (ja) * | 1996-11-26 | 1999-06-21 | 日本電気株式会社 | ビデオ会議システムの音声配信方式 |
US6205124B1 (en) * | 1996-12-31 | 2001-03-20 | Compaq Computer Corporation | Multipoint digital simultaneous voice and data system |
US6021136A (en) * | 1997-07-30 | 2000-02-01 | At&T Corp. | Telecommunication network that reduces tandeming of compressed voice packets |
JP2000174909A (ja) * | 1998-12-08 | 2000-06-23 | Nec Corp | 会議端末制御装置 |
US7006616B1 (en) | 1999-05-21 | 2006-02-28 | Terayon Communication Systems, Inc. | Teleconferencing bridge with EdgePoint mixing |
FR2802329B1 (fr) * | 1999-12-08 | 2003-03-28 | France Telecom | Procede de traitement d'au moins un flux binaire audio code organise sous la forme de trames |
US20060067500A1 (en) * | 2000-05-15 | 2006-03-30 | Christofferson Frank C | Teleconferencing bridge with edgepoint mixing |
US7006456B2 (en) * | 2001-02-02 | 2006-02-28 | Nortel Networks Limited | Method and apparatus for packet-based media communication |
US20030028386A1 (en) * | 2001-04-02 | 2003-02-06 | Zinser Richard L. | Compressed domain universal transcoder |
BRPI0615511A2 (pt) | 2005-07-12 | 2011-05-17 | Nec Corp | servidor de conferência multiponto, sistema de conferência multiponto, programa a ser executado por um computador e método de conferência multiponto |
JP4251298B2 (ja) | 2005-07-15 | 2009-04-08 | ソニー株式会社 | 再生装置および再生方法、プログラム、プログラム格納媒体、データ、記録媒体、記録装置、および、記録媒体の製造方法 |
CN101026725B (zh) * | 2005-07-15 | 2010-09-29 | 索尼株式会社 | 再现设备及再现方法 |
US7599834B2 (en) * | 2005-11-29 | 2009-10-06 | Dilithium Netowkrs, Inc. | Method and apparatus of voice mixing for conferencing amongst diverse networks |
EP2103098B1 (de) * | 2006-12-29 | 2012-11-21 | Telecom Italia S.p.A. | Konferenz, bei der die mischung durch eine wiedergabeeinrichtung zeitgesteuert wird |
WO2010040408A1 (en) * | 2008-10-09 | 2010-04-15 | Telefonaktiebolaget L M Ericsson (Publ) | A common scene based conference system |
US9025497B2 (en) | 2009-07-10 | 2015-05-05 | Qualcomm Incorporated | Media forwarding for a group communication session in a wireless communications system |
US9088630B2 (en) | 2009-07-13 | 2015-07-21 | Qualcomm Incorporated | Selectively mixing media during a group communication session within a wireless communications system |
TWI593270B (zh) * | 2014-02-24 | 2017-07-21 | 特克公司 | 有效混合網路電話資料之系統及方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2043154C3 (de) * | 1970-08-31 | 1973-10-31 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Schaltungsanordnung mit einer Zentrale und mehreren daran angeschalteten Teilnehmern, die gleichzeitig Informationen untereinan der austauschen, insbesondere Konferenz schaltungen in einem PCM Netz |
US4456789A (en) * | 1978-03-07 | 1984-06-26 | The Post Office | Audio teleconferencing |
CA1151327A (en) * | 1981-06-08 | 1983-08-02 | Ernst A. Munter | Digital conference circuit and method |
US4499578A (en) * | 1982-05-27 | 1985-02-12 | At&T Bell Laboratories | Method and apparatus for controlling signal level in a digital conference arrangement |
US4475190A (en) * | 1982-05-27 | 1984-10-02 | At&T Bell Laboratories | Method and apparatus for controlling ports in a digital conference arrangement |
JPS59153368A (ja) * | 1983-02-21 | 1984-09-01 | Hitachi Ltd | 会議通話方式 |
US5157491A (en) * | 1988-10-17 | 1992-10-20 | Kassatly L Samuel A | Method and apparatus for video broadcasting and teleconferencing |
US5127001A (en) * | 1990-06-22 | 1992-06-30 | Unisys Corporation | Conference call arrangement for distributed network |
US5150410A (en) * | 1991-04-11 | 1992-09-22 | Itt Corporation | Secure digital conferencing system |
JPH04337992A (ja) * | 1991-05-15 | 1992-11-25 | Fujitsu Ltd | 多地点テレビ会議システムにおける音声信号処理方法 |
JPH0563831A (ja) * | 1991-08-30 | 1993-03-12 | Fujitsu Ltd | 会議通話装置 |
-
1993
- 1993-03-24 US US08/036,588 patent/US5390177A/en not_active Expired - Lifetime
-
1994
- 1994-02-03 CA CA002114868A patent/CA2114868C/en not_active Expired - Fee Related
- 1994-03-15 EP EP94103946A patent/EP0617537B1/de not_active Expired - Lifetime
- 1994-03-15 DE DE69432237T patent/DE69432237T2/de not_active Expired - Lifetime
- 1994-03-23 JP JP6075485A patent/JPH0795300A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5390177A (en) | 1995-02-14 |
CA2114868A1 (en) | 1994-09-25 |
EP0617537B1 (de) | 2003-03-12 |
EP0617537A1 (de) | 1994-09-28 |
JPH0795300A (ja) | 1995-04-07 |
CA2114868C (en) | 1997-12-23 |
DE69432237T2 (de) | 2003-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |