BR0004370A - Aparelhos e processos de codificação e de decodificação e sistema e método de codificação - Google Patents

Aparelhos e processos de codificação e de decodificação e sistema e método de codificação

Info

Publication number
BR0004370A
BR0004370A BR0004370-2A BR0004370A BR0004370A BR 0004370 A BR0004370 A BR 0004370A BR 0004370 A BR0004370 A BR 0004370A BR 0004370 A BR0004370 A BR 0004370A
Authority
BR
Brazil
Prior art keywords
data
decoding
coding
mpeg
encoding
Prior art date
Application number
BR0004370-2A
Other languages
English (en)
Inventor
Katsumi Tahara
Yoshihiro Murakami
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of BR0004370A publication Critical patent/BR0004370A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/23602—Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • 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
    • H04N21/4342—Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

"APARELHOS E PROCESSOS DE CODIFICAçãO E DE DECODIFICAçãO E SISTEMA E MéTODO DE CODIFICAçãO". A presente invenção refere-se a um sistema de codificação para codificar dados de entrada de vídeo e um sistema de decodificação para decodificar as correntes codificadas. Mais particularmente, ela propõe um sistema e processo para enviar o dado ancilário adicionado ao dado de vídeo e a informação inerente ao dado de vídeo juntamente com correntes codificadas, de tal modo que elas não sejam perdidas mesmo se a codificação MPEG e decodificação MPEG forem repetidas. O codificador MPEG extrai o dado ancilário do dado de vídeo, insere o dado ancilário extraído nas correntes codificadas como Ancilário_dado (Ancilário_dado) e, desse modo, envia o dado ancilário juntamente com as correntes codificadas. O decodificador MPEG extrai dado ancilário das correntes codificadas e adiciona o dado ancilário extraído ao dado de vídeo de faixa básica gerado pela decodificação MPEG.
BR0004370-2A 1999-02-05 2000-02-04 Aparelhos e processos de codificação e de decodificação e sistema e método de codificação BR0004370A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2937899 1999-02-05
PCT/JP2000/000628 WO2000046989A1 (fr) 1999-02-05 2000-02-04 Dispositifs de codage et de decodage et methodes correspondantes, systeme de codage et procede correspondant

Publications (1)

Publication Number Publication Date
BR0004370A true BR0004370A (pt) 2000-12-19

Family

ID=12274495

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0004370-2A BR0004370A (pt) 1999-02-05 2000-02-04 Aparelhos e processos de codificação e de decodificação e sistema e método de codificação

Country Status (6)

Country Link
US (1) US6671323B1 (pt)
EP (1) EP1069774A4 (pt)
KR (1) KR100420740B1 (pt)
CN (1) CN100393128C (pt)
BR (1) BR0004370A (pt)
WO (1) WO2000046989A1 (pt)

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Also Published As

Publication number Publication date
CN100393128C (zh) 2008-06-04
KR100420740B1 (ko) 2004-03-02
CN1293868A (zh) 2001-05-02
US6671323B1 (en) 2003-12-30
WO2000046989A1 (fr) 2000-08-10
EP1069774A1 (en) 2001-01-17
EP1069774A4 (en) 2008-09-17
KR20010042441A (ko) 2001-05-25

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

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