GB2357674B - Compressed bitstreams - Google Patents

Compressed bitstreams

Info

Publication number
GB2357674B
GB2357674B GB9925331A GB9925331A GB2357674B GB 2357674 B GB2357674 B GB 2357674B GB 9925331 A GB9925331 A GB 9925331A GB 9925331 A GB9925331 A GB 9925331A GB 2357674 B GB2357674 B GB 2357674B
Authority
GB
United Kingdom
Prior art keywords
compressed bitstreams
bitstreams
compressed
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 - Fee Related
Application number
GB9925331A
Other versions
GB2357674A (en
GB9925331D0 (en
Inventor
Bruce Fairbairn Devlin
Violet Snell
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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 Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Priority to GB9925331A priority Critical patent/GB2357674B/en
Publication of GB9925331D0 publication Critical patent/GB9925331D0/en
Priority to AU10440/01A priority patent/AU1044001A/en
Priority to PCT/GB2000/004158 priority patent/WO2001031928A1/en
Publication of GB2357674A publication Critical patent/GB2357674A/en
Application granted granted Critical
Publication of GB2357674B publication Critical patent/GB2357674B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • 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
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4392—Processing of audio elementary streams involving audio buffer management
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB9925331A 1999-10-26 1999-10-26 Compressed bitstreams Expired - Fee Related GB2357674B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9925331A GB2357674B (en) 1999-10-26 1999-10-26 Compressed bitstreams
AU10440/01A AU1044001A (en) 1999-10-26 2000-10-26 Method for looping compressed bitstreams
PCT/GB2000/004158 WO2001031928A1 (en) 1999-10-26 2000-10-26 Method for looping compressed bitstreams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9925331A GB2357674B (en) 1999-10-26 1999-10-26 Compressed bitstreams

Publications (3)

Publication Number Publication Date
GB9925331D0 GB9925331D0 (en) 1999-12-29
GB2357674A GB2357674A (en) 2001-06-27
GB2357674B true GB2357674B (en) 2003-12-10

Family

ID=10863414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9925331A Expired - Fee Related GB2357674B (en) 1999-10-26 1999-10-26 Compressed bitstreams

Country Status (3)

Country Link
AU (1) AU1044001A (en)
GB (1) GB2357674B (en)
WO (1) WO2001031928A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242097A (en) * 1990-01-19 1991-09-18 British Broadcasting Corp Buffer synchronisation in a variable transmission rate codec
JPH08223131A (en) * 1995-02-14 1996-08-30 Oki Electric Ind Co Ltd Data multiplexer/demultiplexer
GB2301265A (en) * 1995-05-22 1996-11-27 Sony Electronics Inc Dynamically synchronising temporally related data streams such as video and audio
WO1997039587A1 (en) * 1996-04-12 1997-10-23 Snell & Wilcox Limited Method and apparatus for looping of compressed video bitstreams

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9424429D0 (en) * 1994-12-02 1995-01-18 Philips Electronics Uk Ltd Audio/video timing discrepancy management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242097A (en) * 1990-01-19 1991-09-18 British Broadcasting Corp Buffer synchronisation in a variable transmission rate codec
JPH08223131A (en) * 1995-02-14 1996-08-30 Oki Electric Ind Co Ltd Data multiplexer/demultiplexer
GB2301265A (en) * 1995-05-22 1996-11-27 Sony Electronics Inc Dynamically synchronising temporally related data streams such as video and audio
WO1997039587A1 (en) * 1996-04-12 1997-10-23 Snell & Wilcox Limited Method and apparatus for looping of compressed video bitstreams

Also Published As

Publication number Publication date
GB2357674A (en) 2001-06-27
AU1044001A (en) 2001-05-08
WO2001031928A1 (en) 2001-05-03
GB9925331D0 (en) 1999-12-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090903 AND 20090909

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20121026