GB2375275A9 - Insertion of an additional flag with high auto correlation after hdlc flag in h 223 multiplex to improve detection and hence error resilience - Google Patents

Insertion of an additional flag with high auto correlation after hdlc flag in h 223 multiplex to improve detection and hence error resilience

Info

Publication number
GB2375275A9
GB2375275A9 GB0213559A GB0213559A GB2375275A9 GB 2375275 A9 GB2375275 A9 GB 2375275A9 GB 0213559 A GB0213559 A GB 0213559A GB 0213559 A GB0213559 A GB 0213559A GB 2375275 A9 GB2375275 A9 GB 2375275A9
Authority
GB
United Kingdom
Prior art keywords
flag
multiplex
improve detection
error resilience
auto correlation
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.)
Withdrawn
Application number
GB0213559A
Other versions
GB0213559D0 (en
GB2375275A (en
Inventor
Dong-Seek Park
John D Villasenor
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.)
Samsung Electronics Co Ltd
University of California
Original Assignee
Samsung Electronics Co Ltd
University of California
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
Priority claimed from US08/884,630 external-priority patent/US6529528B1/en
Application filed by Samsung Electronics Co Ltd, University of California filed Critical Samsung Electronics Co Ltd
Publication of GB0213559D0 publication Critical patent/GB0213559D0/en
Publication of GB2375275A publication Critical patent/GB2375275A/en
Publication of GB2375275A9 publication Critical patent/GB2375275A9/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
GB0213559A 1997-06-27 1998-05-22 Insertion of an additional flag with high auto correlation after HDLC flag in H.223 multiplex to improve detection and hence error resilience Withdrawn GB2375275A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/884,630 US6529528B1 (en) 1997-06-27 1997-06-27 Multimedia multiplexing method
GB9930303A GB2341775B (en) 1997-06-27 1998-05-22 Multimedia multiplexing method

Publications (3)

Publication Number Publication Date
GB0213559D0 GB0213559D0 (en) 2002-07-24
GB2375275A GB2375275A (en) 2002-11-06
GB2375275A9 true GB2375275A9 (en) 2002-11-06

Family

ID=26316140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0213559A Withdrawn GB2375275A (en) 1997-06-27 1998-05-22 Insertion of an additional flag with high auto correlation after HDLC flag in H.223 multiplex to improve detection and hence error resilience

Country Status (1)

Country Link
GB (1) GB2375275A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746553A (en) * 1980-09-05 1982-03-17 Hitachi Ltd Code synchronizing device
JPH0795189A (en) * 1993-09-24 1995-04-07 Uniden Corp Frame synchronization system for digital communication
US5666378A (en) * 1994-03-18 1997-09-09 Glenayre Electronics, Inc. High performance modem using pilot symbols for equalization and frame synchronization
US5748686A (en) * 1996-04-04 1998-05-05 Globespan Technologies, Inc. System and method producing improved frame synchronization in a digital communication system
JP3337969B2 (en) * 1997-09-08 2002-10-28 沖電気工業株式会社 Data transmitting device and data receiving device

Also Published As

Publication number Publication date
GB0213559D0 (en) 2002-07-24
GB2375275A (en) 2002-11-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)