AU2002212664A1 - Apparatus and method for improving the quality of video communication over a packet-based network - Google Patents

Apparatus and method for improving the quality of video communication over a packet-based network

Info

Publication number
AU2002212664A1
AU2002212664A1 AU2002212664A AU1266402A AU2002212664A1 AU 2002212664 A1 AU2002212664 A1 AU 2002212664A1 AU 2002212664 A AU2002212664 A AU 2002212664A AU 1266402 A AU1266402 A AU 1266402A AU 2002212664 A1 AU2002212664 A1 AU 2002212664A1
Authority
AU
Australia
Prior art keywords
packet
improving
quality
based network
video communication
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.)
Abandoned
Application number
AU2002212664A
Inventor
Moshe Elbaz
Ilan Yona
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.)
Polycom Israel Ltd
Original Assignee
Polycom Israel Ltd
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 Polycom Israel Ltd filed Critical Polycom Israel Ltd
Publication of AU2002212664A1 publication Critical patent/AU2002212664A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4346—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream involving stuffing data, e.g. packets or bytes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64746—Control signals issued by the network directed to the server or the client
    • H04N21/64761—Control signals issued by the network directed to the server or the client directed to the server
    • H04N21/64776—Control signals issued by the network directed to the server or the client directed to the server for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AU2002212664A 2000-10-27 2001-10-25 Apparatus and method for improving the quality of video communication over a packet-based network Abandoned AU2002212664A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24388600P 2000-10-27 2000-10-27
US60/243,886 2000-10-27
PCT/IL2001/000987 WO2002035847A2 (en) 2000-10-27 2001-10-25 Apparatus and method for improving the quality of video communication over a packet-based network

Publications (1)

Publication Number Publication Date
AU2002212664A1 true AU2002212664A1 (en) 2002-05-06

Family

ID=22920539

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002212664A Abandoned AU2002212664A1 (en) 2000-10-27 2001-10-25 Apparatus and method for improving the quality of video communication over a packet-based network

Country Status (4)

Country Link
US (1) US20020152440A1 (en)
EP (1) EP1340381A2 (en)
AU (1) AU2002212664A1 (en)
WO (1) WO2002035847A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957460B2 (en) * 2001-01-15 2007-08-15 沖電気工業株式会社 Transmission header compression apparatus, moving picture encoding apparatus, and moving picture transmission system
AU2002355063A1 (en) * 2001-07-18 2003-03-03 Polycom Israel Ltd. A system and method for improving the quality of video communication over a packet-based network
US7113518B2 (en) * 2001-12-19 2006-09-26 Agere Systems Inc. Processor with reduced memory requirements for high-speed routing and switching of packets
FI20012555A0 (en) * 2001-12-21 2001-12-21 Nokia Corp Device Arrangement, Cellular Network, Method, and Cellular Network Terminal for Handling Variable Length Packets
US7113486B2 (en) * 2003-05-01 2006-09-26 Tut Systems, Inc. Method and apparatus for measuring quality of service parameters of networks delivering real time MPEG video
US7796499B2 (en) * 2003-12-05 2010-09-14 Telefonaktiebolaget L M Ericsson (Publ) Method of and system for video fast update
US7567584B2 (en) * 2004-01-15 2009-07-28 Panasonic Corporation Multiplex scheme conversion apparatus
US7971121B1 (en) * 2004-06-18 2011-06-28 Verizon Laboratories Inc. Systems and methods for providing distributed packet loss concealment in packet switching communications networks
US20060106929A1 (en) * 2004-10-15 2006-05-18 Kenoyer Michael L Network conference communications
US8149739B2 (en) * 2004-10-15 2012-04-03 Lifesize Communications, Inc. Background call validation
US7545435B2 (en) * 2004-10-15 2009-06-09 Lifesize Communications, Inc. Automatic backlight compensation and exposure control
CN1801687B (en) * 2005-09-08 2013-08-07 华为技术有限公司 Data frame retransmission method and system based on non response mechanism
EP1827023A1 (en) * 2006-02-27 2007-08-29 THOMSON Licensing Method and apparatus for packet loss detection and virtual packet generation at SVC decoders
FR2901648A1 (en) 2006-05-29 2007-11-30 France Telecom Video sequence image broadcasting method for e.g. Internet protocol network, involves determining urgency level for each of error messages based on analysis of messages, and making decision for sending response message based on level
CA2660278C (en) * 2006-08-17 2016-03-29 Telefonaktiebolaget L M Ericsson (Publ) Error recovery for rich media
JP2010503266A (en) * 2006-08-29 2010-01-28 トムソン ライセンシング Method and apparatus for repairing samples contained in container files with lost packets
EP2019522B1 (en) * 2007-07-23 2018-08-15 Polycom, Inc. Apparatus and method for lost packet recovery with congestion avoidance
US9661267B2 (en) * 2007-09-20 2017-05-23 Lifesize, Inc. Videoconferencing system discovery
CN101420317B (en) * 2008-11-21 2011-10-26 华为终端有限公司 Restoring method, recording terminal, server and system for media file recording error
US8305421B2 (en) * 2009-06-29 2012-11-06 Lifesize Communications, Inc. Automatic determination of a configuration for a conference
JP5675807B2 (en) * 2009-08-12 2015-02-25 コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ Dynamic RTCP relay
CN102056004B (en) * 2009-11-03 2012-10-03 华为技术有限公司 Video quality evaluation method, equipment and system
CN108093299B (en) * 2017-12-22 2020-08-04 厦门市美亚柏科信息股份有限公司 Method for repairing damaged MP4 file and storage medium
CN109474642A (en) * 2019-01-08 2019-03-15 郑州云海信息技术有限公司 Based on Ethernet udp protocol data transmission method, apparatus, equipment and medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737022A (en) * 1993-02-26 1998-04-07 Kabushiki Kaisha Toshiba Motion picture error concealment using simplified motion compensation
US5742623A (en) * 1995-08-04 1998-04-21 General Instrument Corporation Of Delaware Error detection and recovery for high rate isochronous data in MPEG-2 data streams
JP3418485B2 (en) * 1995-09-14 2003-06-23 シャープ株式会社 Image data storage device
US5910827A (en) * 1997-02-26 1999-06-08 Kwan; Katherine W. Video signal decoding arrangement and method for improved error concealment
US6357028B1 (en) * 1999-03-19 2002-03-12 Picturetel Corporation Error correction and concealment during data transmission
US6683909B1 (en) * 2000-03-16 2004-01-27 Ezenial Inc. Macroblock parsing without processing overhead

Also Published As

Publication number Publication date
WO2002035847A3 (en) 2002-07-25
WO2002035847A2 (en) 2002-05-02
EP1340381A2 (en) 2003-09-03
US20020152440A1 (en) 2002-10-17

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