BR9814657A - Filtragem de pacotes. - Google Patents

Filtragem de pacotes.

Info

Publication number
BR9814657A
BR9814657A BR9814657-2A BR9814657A BR9814657A BR 9814657 A BR9814657 A BR 9814657A BR 9814657 A BR9814657 A BR 9814657A BR 9814657 A BR9814657 A BR 9814657A
Authority
BR
Brazil
Prior art keywords
filtering
filtered
packet data
stage
digital filter
Prior art date
Application number
BR9814657-2A
Other languages
English (en)
Other versions
BR9814657B1 (pt
Inventor
Dominique Hamery
Christophe Declerck
Lionel Tranchard
Original Assignee
Canal Plus Sa
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 Canal Plus Sa filed Critical Canal Plus Sa
Publication of BR9814657A publication Critical patent/BR9814657A/pt
Publication of BR9814657B1 publication Critical patent/BR9814657B1/pt

Links

Classifications

    • 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N21/234318—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 decomposing into objects, e.g. MPEG-4 objects
    • 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
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • 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
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/485—End-user interface for client configuration
    • H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Television Systems (AREA)
  • Communication Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Patente de Invenção: <B>"FILTRAGEM DE PACOTES"<D>. Um método de filtragem de um fluxo de dados de pacote, como transmitido em um sistema de transmissão audiovisual digital e recebido por um conjunto receptor / decodificador, caracterizado pelo fato de que os dados do pacote de transporte são filtrados em um primeiro estágio por um primeiro filtro digital (42) de acordo com as características do cabeçalho do pacote de transporte, os dados filtrados selecionados sendo depois diretamente passados para um elemento de memória (44) dentro do conjunto receptor / decodificador. Em um segundo aspecto, o método compreende a filtragem de um fluxo de dados de pacote, caracterizado pelo fato de que os dados do pacote de transporte são filtrados em um primeiro estágio por um primeiro filtro digital (42), de acordo com as características do cabeçalho do pacote de transporte, os dados filtrados selecionados da carga útil correspondendo a um fluxo de dados contínuo sendo depois passados para um segundo filtro digital (45) para um segundo estágio de filtragem.
BRPI9814657-2A 1997-11-17 1998-11-12 Método de filtragem de um fluxo de dados de pacote e receptor/decodificador para sistema de transmissão audiovisual digital BR9814657B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97402765.8 1997-11-17
EP97402765A EP0917356A1 (en) 1997-11-17 1997-11-17 Packet filtering
PCT/IB1998/001883 WO1999026409A1 (en) 1997-11-17 1998-11-12 Packet filtering

Publications (2)

Publication Number Publication Date
BR9814657A true BR9814657A (pt) 2000-10-03
BR9814657B1 BR9814657B1 (pt) 2014-09-09

Family

ID=8229904

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9814657-2A BR9814657B1 (pt) 1997-11-17 1998-11-12 Método de filtragem de um fluxo de dados de pacote e receptor/decodificador para sistema de transmissão audiovisual digital

Country Status (24)

Country Link
US (2) US6650710B1 (pt)
EP (2) EP0917356A1 (pt)
JP (1) JP2001523927A (pt)
KR (1) KR100565470B1 (pt)
CN (1) CN1153447C (pt)
AT (1) ATE233034T1 (pt)
AU (1) AU756127B2 (pt)
BR (1) BR9814657B1 (pt)
CA (1) CA2309728C (pt)
CZ (1) CZ298058B6 (pt)
DE (1) DE69811532T2 (pt)
ES (1) ES2193579T3 (pt)
HK (1) HK1029882A1 (pt)
HR (1) HRP20000307B1 (pt)
HU (1) HU228613B1 (pt)
IL (1) IL136150A (pt)
NO (1) NO333109B1 (pt)
NZ (1) NZ505032A (pt)
PL (1) PL188866B1 (pt)
RU (1) RU2225075C2 (pt)
TR (1) TR200002177T2 (pt)
UA (1) UA66823C2 (pt)
WO (1) WO1999026409A1 (pt)
ZA (1) ZA9810447B (pt)

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Also Published As

Publication number Publication date
DE69811532D1 (de) 2003-03-27
AU1169799A (en) 1999-06-07
UA66823C2 (uk) 2004-06-15
IL136150A (en) 2004-12-15
CN1286865A (zh) 2001-03-07
CZ20001821A3 (cs) 2001-01-17
DE69811532T2 (de) 2004-02-12
US6650710B1 (en) 2003-11-18
NO333109B1 (no) 2013-03-04
HRP20000307A2 (en) 2000-12-31
JP2001523927A (ja) 2001-11-27
EP1033033B1 (en) 2003-02-19
PL188866B1 (pl) 2005-05-31
CZ298058B6 (cs) 2007-06-06
HRP20000307B1 (en) 2007-03-31
NO20002536L (no) 2000-07-17
PL340586A1 (en) 2001-02-12
CA2309728C (en) 2008-01-08
HU228613B1 (en) 2013-04-29
ES2193579T3 (es) 2003-11-01
IL136150A0 (en) 2001-05-20
EP0917356A1 (en) 1999-05-19
CA2309728A1 (en) 1999-05-27
ATE233034T1 (de) 2003-03-15
KR20010032204A (ko) 2001-04-16
HK1029882A1 (en) 2001-04-12
ZA9810447B (en) 1999-05-21
BR9814657B1 (pt) 2014-09-09
EP1033033A1 (en) 2000-09-06
HUP0101201A2 (hu) 2001-08-28
HUP0101201A3 (en) 2003-04-28
KR100565470B1 (ko) 2006-03-30
US7116719B2 (en) 2006-10-03
NZ505032A (en) 2003-04-29
CN1153447C (zh) 2004-06-09
TR200002177T2 (tr) 2000-12-21
US20030007568A1 (en) 2003-01-09
NO20002536D0 (no) 2000-05-16
AU756127B2 (en) 2003-01-02
WO1999026409A1 (en) 1999-05-27
RU2225075C2 (ru) 2004-02-27

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