DE19681223T1 - Videotelekonferenzsystem mit digitaler Umcodierung - Google Patents

Videotelekonferenzsystem mit digitaler Umcodierung

Info

Publication number
DE19681223T1
DE19681223T1 DE19681223T DE19681223T DE19681223T1 DE 19681223 T1 DE19681223 T1 DE 19681223T1 DE 19681223 T DE19681223 T DE 19681223T DE 19681223 T DE19681223 T DE 19681223T DE 19681223 T1 DE19681223 T1 DE 19681223T1
Authority
DE
Germany
Prior art keywords
video teleconferencing
teleconferencing system
recoding
digital
digital recoding
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.)
Granted
Application number
DE19681223T
Other languages
English (en)
Other versions
DE19681223B4 (de
Inventor
Mark D Polomski
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.)
Tandberg Telecom AS
Original Assignee
VIDEO SERVER Inc BURLINGTON MASS US
VIDEO SERVER Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23496570&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19681223(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by VIDEO SERVER Inc BURLINGTON MASS US, VIDEO SERVER Inc filed Critical VIDEO SERVER Inc BURLINGTON MASS US
Publication of DE19681223T1 publication Critical patent/DE19681223T1/de
Application granted granted Critical
Publication of DE19681223B4 publication Critical patent/DE19681223B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • H04N7/152Multipoint control units therefor
DE19681223T 1995-01-27 1996-01-16 Videotelekonferenzsystem mit digitaler Umcodierung Expired - Lifetime DE19681223B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/379,274 US5600646A (en) 1995-01-27 1995-01-27 Video teleconferencing system with digital transcoding
US08/379,274 1995-01-27
PCT/US1996/000450 WO1996023388A1 (en) 1995-01-27 1996-01-16 Video teleconferencing system with digital transcoding

Publications (2)

Publication Number Publication Date
DE19681223T1 true DE19681223T1 (de) 1998-01-08
DE19681223B4 DE19681223B4 (de) 2008-05-29

Family

ID=23496570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681223T Expired - Lifetime DE19681223B4 (de) 1995-01-27 1996-01-16 Videotelekonferenzsystem mit digitaler Umcodierung

Country Status (6)

Country Link
US (1) US5600646A (de)
AU (1) AU4698796A (de)
DE (1) DE19681223B4 (de)
GB (1) GB2312807B (de)
IL (1) IL116905A (de)
WO (1) WO1996023388A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661749A (zh) * 2018-06-28 2020-01-07 视联动力信息技术股份有限公司 一种视频信号的处理方法和视联网终端

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
EP0845908B1 (de) * 1994-06-17 2003-02-05 Snell & Wilcox Limited Komprimieren eines aus kompressionskodierten Videosignalen nach deren Teildekodierung kombinierten Signales
US5802281A (en) 1994-09-07 1998-09-01 Rsi Systems, Inc. Peripheral audio/video communication system that interfaces with a host computer and determines format of coded audio/video signals
US5687095A (en) * 1994-11-01 1997-11-11 Lucent Technologies Inc. Video transmission rate matching for multimedia communication systems
US5838664A (en) 1997-07-17 1998-11-17 Videoserver, Inc. Video teleconferencing system with digital transcoding
US5854898A (en) 1995-02-24 1998-12-29 Apple Computer, Inc. System for automatically adding additional data stream to existing media connection between two end points upon exchange of notifying and confirmation messages therebetween
JPH09172495A (ja) 1995-12-19 1997-06-30 Fujitsu Ltd デジタル統合網における多地点/多チャネル接続装置
US6343313B1 (en) * 1996-03-26 2002-01-29 Pixion, Inc. Computer conferencing system with real-time multipoint, multi-speed, multi-stream scalability
US7167897B2 (en) * 1996-05-08 2007-01-23 Apple Computer, Inc. Accessories providing a telephone conference application one or more capabilities independent of the teleconference application
US5857189A (en) * 1996-05-08 1999-01-05 Apple Computer, Inc. File sharing in a teleconference application
JPH1051766A (ja) 1996-08-05 1998-02-20 Mitsubishi Electric Corp 画像符号化データ変換装置
US5963547A (en) * 1996-09-18 1999-10-05 Videoserver, Inc. Method and apparatus for centralized multipoint conferencing in a packet network
US6175856B1 (en) * 1996-09-30 2001-01-16 Apple Computer, Inc. Method and apparatus for dynamic selection of compression processing during teleconference call initiation
WO1998023075A2 (en) * 1996-11-22 1998-05-28 Unisys Corporation Multimedia teleconferencing bridge
US6346964B1 (en) 1996-12-31 2002-02-12 Video Networkcommunications, Inc. Interoffice broadband communication system using twisted pair telephone wires
US5886734A (en) * 1997-01-28 1999-03-23 Videoserver, Inc. Apparatus and method for storage and playback of video images and audio messages in multipoint videoconferencing
NL1005173C2 (nl) * 1997-02-03 1998-08-04 Janima Beheer B V Inrichting voor het combineren van videosignalen, die afbeeldingen vertegenwoordigen met een verschillende waarnemingsdiepte.
JPH10229420A (ja) * 1997-02-17 1998-08-25 Matsushita Electric Ind Co Ltd 通信システム
EP0963679B1 (de) * 1997-02-25 2005-10-19 Infineon Technologies AG Verfahren und vorrichtung zum verarbeiten und generieren von daten unter verwendung eines digitalen signalprozessors
JPH10304328A (ja) * 1997-04-25 1998-11-13 Fujitsu Ltd テレビ会議システムにおいて、多画面合成信号を生成する方式
US5923655A (en) * 1997-06-10 1999-07-13 E--Net, Inc. Interactive video communication over a packet data network
KR100248427B1 (ko) * 1997-08-12 2000-03-15 이계철 압축 영역에서의 엠펙 부호 영상의 화면 분할 장치 및 그 방법
US5999966A (en) * 1997-10-07 1999-12-07 Mcdougall; Floyd Control network-directed video conferencing switching system and method
US6163531A (en) * 1997-10-31 2000-12-19 Intel Corporation Method and apparatus to throttle connections to a H.323 multipoint controller by receiver terminals in a loosely-coupled conference
DE69803195T2 (de) * 1997-11-27 2002-08-29 British Telecomm Codeumsetzung
JPH11275592A (ja) * 1998-01-22 1999-10-08 Victor Co Of Japan Ltd 動画像符号列変換装置及びその方法
US6285661B1 (en) * 1998-01-28 2001-09-04 Picturetel Corporation Low delay real time digital video mixing for multipoint video conferencing
US6111924A (en) * 1998-02-03 2000-08-29 Videoserver, Inc. Error-correction-code synchronization in a videoconferencing gateway
DE19804564A1 (de) * 1998-02-05 1999-08-12 Fraunhofer Ges Forschung Kommunikationsnetz, Verfahren zum Übertragen eines Signals, Netzverbindungseinheit und Verfahren zum Anpassen der Datenrate eines skalierten Datenstroms
US6058143A (en) * 1998-02-20 2000-05-02 Thomson Licensing S.A. Motion vector extrapolation for transcoding video sequences
US6389009B1 (en) 2000-12-28 2002-05-14 Vertical Networks, Inc. Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses
US6498791B2 (en) 1998-04-03 2002-12-24 Vertical Networks, Inc. Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same
US6181694B1 (en) 1998-04-03 2001-01-30 Vertical Networks, Inc. Systems and methods for multiple mode voice and data communciations using intelligently bridged TDM and packet buses
US7072330B2 (en) * 1998-04-03 2006-07-04 Consolidated Ip Holdings, Inc. Systems for voice and data communications having TDM and packet buses and telephony station cards including voltage generators
US20090059818A1 (en) * 1998-04-03 2009-03-05 Pickett Scott K Systems and methods for providing configurable caller id iformation
US6850266B1 (en) * 1998-06-04 2005-02-01 Roberto Trinca Process for carrying out videoconferences with the simultaneous insertion of auxiliary information and films with television modalities
US6288740B1 (en) 1998-06-11 2001-09-11 Ezenia! Inc. Method and apparatus for continuous presence conferencing with voice-activated quadrant selection
US6310915B1 (en) * 1998-11-20 2001-10-30 Harmonic Inc. Video transcoder with bitstream look ahead for rate control and statistical multiplexing
US6697061B1 (en) 1999-01-21 2004-02-24 Hewlett-Packard Development Company, L.P. Image compression featuring selective re-use of prior compression data
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
US6400763B1 (en) 1999-02-18 2002-06-04 Hewlett-Packard Company Compression system which re-uses prior motion vectors
GB2348064A (en) * 1999-03-16 2000-09-20 Mitsubishi Electric Inf Tech Motion vector field encoding
US6731734B1 (en) * 1999-08-19 2004-05-04 Siemens Information & Communication Networks, Inc. Apparatus and method for intelligent conference call codec selection
US7174365B1 (en) * 2000-11-08 2007-02-06 Polycom Israel Ltd. System and method for controlling one or more multipoint control units as one multipoint control unit
KR100721441B1 (ko) 1999-11-08 2007-05-23 폴리콤, 이스라엘, 리미티드 한 개 이상의 멀티포인트 제어유닛을 하나의 멀티포인트제어유닛으로 제어하는 시스템 및 방법
US7542068B2 (en) * 2000-01-13 2009-06-02 Polycom, Inc. Method and system for controlling multimedia video communication
US6300973B1 (en) 2000-01-13 2001-10-09 Meir Feder Method and system for multimedia communication control
US7107383B1 (en) * 2000-05-03 2006-09-12 Broadcom Corporation Method and system for multi-channel transfer of data and control information
JP2002034047A (ja) * 2000-07-18 2002-01-31 Pioneer Electronic Corp 画像符号化装置及び画像符号化方法、情報符号化装置及び情報符号化方法、情報記録装置並びに情報記録媒体
US6738356B1 (en) 2000-08-10 2004-05-18 Convedia Corporation Object oriented video merging system
US6711212B1 (en) 2000-09-22 2004-03-23 Industrial Technology Research Institute Video transcoder, video transcoding method, and video communication system and method using video transcoding with dynamic sub-window skipping
CN1134936C (zh) * 2001-02-06 2004-01-14 华为技术有限公司 一种视讯业务的实现方法
US6650707B2 (en) 2001-03-02 2003-11-18 Industrial Technology Research Institute Transcoding apparatus and method
US7602847B1 (en) * 2001-03-27 2009-10-13 Vixs Systems, Inc. Device and method for compression of a video stream
US7266609B2 (en) * 2001-04-30 2007-09-04 Aol Llc Generating multiple data streams from a single data source
WO2003105006A1 (en) * 2001-04-30 2003-12-18 America Online, Inc. Load balancing with direct terminal response
US7237033B2 (en) 2001-04-30 2007-06-26 Aol Llc Duplicating switch for streaming data units to a terminal
US8572278B2 (en) * 2001-04-30 2013-10-29 Facebook, Inc. Generating multiple data streams from a single data source
US7124166B2 (en) 2001-04-30 2006-10-17 Aol Llc Duplicating digital streams for digital conferencing using switching technologies
US7675972B1 (en) 2001-07-30 2010-03-09 Vixs Systems, Inc. System and method for multiple channel video transcoding
FR2831377B1 (fr) * 2001-10-22 2004-01-16 France Telecom Systeme de conference du type qui comprend un pont de conference audio et/ou video et/ou des donnees auquel une pluralite de terminaux peuvent se connecter pour participer a une conference
US7236529B2 (en) * 2001-10-30 2007-06-26 Industrial Technology Research Institute Methods and systems for video transcoding in DCT domain with low complexity
US7302503B2 (en) * 2002-04-01 2007-11-27 Broadcom Corporation Memory access engine having multi-level command structure
EP1372302A3 (de) * 2002-06-14 2007-07-18 Polycom, Inc. Mehrpunkt-Multimedia-/Audiokonferenz unter Verwendung einer IP-Verbindung
US8028092B2 (en) 2002-06-28 2011-09-27 Aol Inc. Inserting advertising content
US7706359B2 (en) * 2002-07-01 2010-04-27 Converged Data Solutions, Inc. Systems and methods for voice and data communications including a network drop and insert interface for an external data routing resource
US7869424B2 (en) * 2002-07-01 2011-01-11 Converged Data Solutions Inc. Systems and methods for voice and data communications including a scalable TDM switch/multiplexer
US9171577B1 (en) 2003-04-25 2015-10-27 Gopro, Inc. Encoding and decoding selectively retrievable representations of video content
US20050008240A1 (en) * 2003-05-02 2005-01-13 Ashish Banerji Stitching of video for continuous presence multipoint video conferencing
NO319422B1 (no) * 2003-05-23 2005-08-08 Tandberg Telecom As Fremgangsmate for handtering av datahastighetsendringer
US20040249955A1 (en) * 2003-06-05 2004-12-09 Randy Wuerful Method and apparatus for passing call control application information within a network signaling protocol
US7034860B2 (en) * 2003-06-20 2006-04-25 Tandberg Telecom As Method and apparatus for video conferencing having dynamic picture layout
IL158276A (en) * 2003-10-02 2010-04-29 Radvision Ltd Method for dynamically optimizing bandwidth allocation in variable bitrate (multi-rate) conferences
US8081205B2 (en) * 2003-10-08 2011-12-20 Cisco Technology, Inc. Dynamically switched and static multiple video streams for a multimedia conference
US7139015B2 (en) * 2004-01-20 2006-11-21 Polycom, Inc. Method and apparatus for mixing compressed video
TWI230547B (en) * 2004-02-04 2005-04-01 Ind Tech Res Inst Low-complexity spatial downscaling video transcoder and method thereof
US7113200B2 (en) * 2004-05-21 2006-09-26 Polycom, Inc. Method and system for preparing video communication image for wide screen display
US7312809B2 (en) * 2004-10-12 2007-12-25 Codian Ltd. Method and apparatus for controlling a conference call
US7692683B2 (en) * 2004-10-15 2010-04-06 Lifesize Communications, Inc. Video conferencing system transcoder
US7532231B2 (en) * 2004-12-17 2009-05-12 Codian Limited Video conference recorder
GB2422065B (en) * 2005-01-05 2008-12-17 Codian Ltd Video multi-conference unit (MCU)
US20060168637A1 (en) * 2005-01-25 2006-07-27 Collaboration Properties, Inc. Multiple-channel codec and transcoder environment for gateway, MCU, broadcast and video storage applications
US20060248210A1 (en) * 2005-05-02 2006-11-02 Lifesize Communications, Inc. Controlling video display mode in a video conferencing system
US20070133413A1 (en) * 2005-12-09 2007-06-14 Andrew Pepperell Flow control in a video conference
US8713105B2 (en) * 2006-01-03 2014-04-29 Cisco Technology, Inc. Method and apparatus for transcoding and transrating in distributed video systems
US8014597B1 (en) 2006-03-22 2011-09-06 Woodman Labs Method for efficient compression and decoding of single sensor color image data
US9065667B2 (en) * 2006-09-05 2015-06-23 Codian Limited Viewing data as part of a video conference
US20080068448A1 (en) * 2006-09-18 2008-03-20 Hansen Robert A Method for adapting a device to participate in video conference calls
US8259624B2 (en) * 2006-10-27 2012-09-04 Cisco Technology, Inc. Dynamic picture layout for video conferencing based on properties derived from received conferencing signals
US7889226B2 (en) * 2006-11-20 2011-02-15 Codian Ltd Hardware architecture for video conferencing
GB0623097D0 (en) * 2006-11-20 2006-12-27 Codian Ltd Hardware architecture for video conferencing
US8633962B2 (en) 2007-06-22 2014-01-21 Lifesize Communications, Inc. Video decoder which processes multiple video streams
US8139100B2 (en) * 2007-07-13 2012-03-20 Lifesize Communications, Inc. Virtual multiway scaler compensation
WO2009058763A1 (en) * 2007-10-29 2009-05-07 Unidym, Inc. Nanostructure-film lcd devices
US8514265B2 (en) * 2008-10-02 2013-08-20 Lifesize Communications, Inc. Systems and methods for selecting videoconferencing endpoints for display in a composite video image
US20100110160A1 (en) * 2008-10-30 2010-05-06 Brandt Matthew K Videoconferencing Community with Live Images
US20100149301A1 (en) * 2008-12-15 2010-06-17 Microsoft Corporation Video Conferencing Subscription Using Multiple Bit Rate Streams
US8380790B2 (en) * 2008-12-15 2013-02-19 Microsoft Corporation Video conference rate matching
NO329739B1 (no) * 2008-12-23 2010-12-13 Tandberg Telecom As Fremgangsmate, anordning og dataprogram for a prosessere bilder i en konferanse mellom et flertall av videokonferanseterminaler
US8228363B2 (en) 2009-01-30 2012-07-24 Polycom, Inc. Method and system for conducting continuous presence conferences
US8643695B2 (en) * 2009-03-04 2014-02-04 Lifesize Communications, Inc. Videoconferencing endpoint extension
US8456510B2 (en) * 2009-03-04 2013-06-04 Lifesize Communications, Inc. Virtual distributed multipoint control unit
US20110032996A1 (en) * 2009-08-04 2011-02-10 Polycom, Inc. Using dual hdvicp coprocessor to accelerate dm6467 h.264 decoder
US8350891B2 (en) * 2009-11-16 2013-01-08 Lifesize Communications, Inc. Determining a videoconference layout based on numbers of participants
US8947492B2 (en) 2010-06-18 2015-02-03 Microsoft Corporation Combining multiple bit rate and scalable video coding
US8532100B2 (en) 2010-10-19 2013-09-10 Cisco Technology, Inc. System and method for data exchange in a heterogeneous multiprocessor system
JP2013042492A (ja) 2011-08-11 2013-02-28 Polycom Inc 常駐表示式ビデオ会議においてビデオストリームを切替える方法およびシステム
US9386267B1 (en) * 2012-02-14 2016-07-05 Arris Enterprises, Inc. Cooperative transcoding to multiple streams
US20140028788A1 (en) 2012-07-30 2014-01-30 Polycom, Inc. Method and system for conducting video conferences of diverse participating devices

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479195A (en) * 1982-09-07 1984-10-23 At&T Bell Laboratories Data conference system
EP0153903B1 (de) * 1984-02-29 1988-11-09 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Nachrichtensystem für Bildkonferenzen
US4748618A (en) * 1986-05-21 1988-05-31 Bell Communications Research, Inc. Telecommunications interface
DE3823219C1 (de) * 1988-07-08 1989-05-18 Telenorma Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt, De
US4965819A (en) * 1988-09-22 1990-10-23 Docu-Vision, Inc. Video conferencing system for courtroom and other applications
US5382972A (en) * 1988-09-22 1995-01-17 Kannes; Deno Video conferencing system for courtroom and other applications
US5072442A (en) * 1990-02-28 1991-12-10 Harris Corporation Multiple clock rate teleconferencing network
US5392284A (en) * 1990-09-20 1995-02-21 Canon Kabushiki Kaisha Multi-media communication device
US5315633A (en) * 1991-12-20 1994-05-24 Unisys Corporation Digital video switch for video teleconferencing
US5253056A (en) * 1992-07-02 1993-10-12 At&T Bell Laboratories Spatial/frequency hybrid video coding facilitating the derivatives of variable-resolution images
US5392223A (en) * 1992-07-29 1995-02-21 International Business Machines Corp. Audio/video communications processor
US5408274A (en) * 1993-03-11 1995-04-18 The Regents Of The University Of California Method and apparatus for compositing compressed video data
US5357511A (en) * 1993-03-22 1994-10-18 Peak Audio, Inc. Distributed processing in a digital audio mixing network
US5416520A (en) * 1993-11-30 1995-05-16 Intel Corporation Multiple encoder output buffer apparatus for differential coding of video information
US5446491A (en) * 1993-12-21 1995-08-29 Hitachi, Ltd. Multi-point video conference system wherein each terminal comprises a shared frame memory to store information from other terminals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661749A (zh) * 2018-06-28 2020-01-07 视联动力信息技术股份有限公司 一种视频信号的处理方法和视联网终端

Also Published As

Publication number Publication date
IL116905A (en) 1999-04-11
GB2312807A8 (en) 1997-12-22
GB2312807A (en) 1997-11-05
AU4698796A (en) 1996-08-14
GB2312807B (en) 1999-12-22
WO1996023388A1 (en) 1996-08-01
IL116905A0 (en) 1996-07-23
GB9715337D0 (en) 1997-09-24
US5600646A (en) 1997-02-04
DE19681223B4 (de) 2008-05-29

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