CA2210375C - Multiplexeur pour trains de donnees multimedias - Google Patents

Multiplexeur pour trains de donnees multimedias Download PDF

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Publication number
CA2210375C
CA2210375C CA 2210375 CA2210375A CA2210375C CA 2210375 C CA2210375 C CA 2210375C CA 2210375 CA2210375 CA 2210375 CA 2210375 A CA2210375 A CA 2210375A CA 2210375 C CA2210375 C CA 2210375C
Authority
CA
Canada
Prior art keywords
video
mux
fifo
data
encoder
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
CA 2210375
Other languages
English (en)
Other versions
CA2210375A1 (fr
Inventor
Robert Chow
Hamish D. Dobson
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.)
IBM Canada Ltd
Original Assignee
IBM Canada 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 IBM Canada Ltd filed Critical IBM Canada Ltd
Priority to CA 2210375 priority Critical patent/CA2210375C/fr
Publication of CA2210375A1 publication Critical patent/CA2210375A1/fr
Application granted granted Critical
Publication of CA2210375C publication Critical patent/CA2210375C/fr
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
    • 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
    • H04N21/4341—Demultiplexing of audio and video streams
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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
    • H04N21/2368—Multiplexing of audio and video streams
    • 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
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
CA 2210375 1997-07-11 1997-07-11 Multiplexeur pour trains de donnees multimedias Expired - Fee Related CA2210375C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2210375 CA2210375C (fr) 1997-07-11 1997-07-11 Multiplexeur pour trains de donnees multimedias

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2210375 CA2210375C (fr) 1997-07-11 1997-07-11 Multiplexeur pour trains de donnees multimedias

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002212246A Division CA2212246A1 (fr) 1997-07-11 1997-08-01 Methode et dispositif de commande de flux elementaires de donnees

Publications (2)

Publication Number Publication Date
CA2210375A1 CA2210375A1 (fr) 1999-01-11
CA2210375C true CA2210375C (fr) 2002-04-02

Family

ID=4161061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2210375 Expired - Fee Related CA2210375C (fr) 1997-07-11 1997-07-11 Multiplexeur pour trains de donnees multimedias

Country Status (1)

Country Link
CA (1) CA2210375C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007035043A1 (fr) * 2005-09-23 2007-03-29 Mtekvision Co., Ltd Dispositif et procede de reproduction audio au moyen de dma

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007035043A1 (fr) * 2005-09-23 2007-03-29 Mtekvision Co., Ltd Dispositif et procede de reproduction audio au moyen de dma

Also Published As

Publication number Publication date
CA2210375A1 (fr) 1999-01-11

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