BR112013026389A2 - dispositivo decodificador via ethernet e método para acessar conteúdos protegidos - Google Patents

dispositivo decodificador via ethernet e método para acessar conteúdos protegidos

Info

Publication number
BR112013026389A2
BR112013026389A2 BR112013026389A BR112013026389A BR112013026389A2 BR 112013026389 A2 BR112013026389 A2 BR 112013026389A2 BR 112013026389 A BR112013026389 A BR 112013026389A BR 112013026389 A BR112013026389 A BR 112013026389A BR 112013026389 A2 BR112013026389 A2 BR 112013026389A2
Authority
BR
Brazil
Prior art keywords
network
video content
content stream
audio
network device
Prior art date
Application number
BR112013026389A
Other languages
English (en)
Other versions
BR112013026389B1 (pt
Inventor
Christophe Nicolas
Joël Conus
Original Assignee
Nagravision 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 Nagravision Sa filed Critical Nagravision Sa
Publication of BR112013026389A2 publication Critical patent/BR112013026389A2/pt
Publication of BR112013026389B1 publication Critical patent/BR112013026389B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • 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
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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]
    • H04N21/60—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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64784—Data processing by the 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/226—Characteristics of the server or Internal components of the server
    • H04N21/2265—Server identification by a unique number or address, e.g. serial number
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

resumo "dispositivo decodificador via ethernet e método para acessar conteúdos protegidos" a presente invenção tem por objetivo tratar da questão do emprego de um hardware oneroso por meio da proposta de uma camada de proteção de conteúdo com uma capacidade de distribuição fácil aos clientes. esse objetivo é obtido por meio de um dispositivo de rede para a desmisturação de um fluxo de conteúdo de áudio / vídeo de acesso controlado, o dito dispositivo de rede sendo configurado de modo a ser conectado a um roteador de rede e compreende uma memória para armazenar um endereço exclusivo ua específico para o dispositivo de rede, uma interface de entrada / saída de rede, um desmisturador para desmisturar o fluxo de conteúdo de áudio / vídeo, e um mecanismo de marca d'água configurado de modo a colocar marcas d'água no fluxo de conteúdo de áudio / vídeo desmisturado por meio da aplicação do endereço exclusivo. um outro objeto da presente invenção é um método para acessar um fluxo de conteúdo de áudio / vídeo misturado em um modo local ou de itinerância (roaming) por meio de um dispositivo de recepção de multimídia conectado através de uma rede ip a um roteador de rede que tem uma porta ip conectada ao dispositivo de rede.
BR112013026389-0A 2011-04-19 2012-04-19 Método e sistema para acessar um fluxo de conteúdo de áudio / vídeo cifrado através de uma rede ip usando um dispositivo de recepção de multimídia BR112013026389B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161476774P 2011-04-19 2011-04-19
US61/476.774 2011-04-19
PCT/IB2012/051968 WO2012143880A1 (en) 2011-04-19 2012-04-19 Ethernet decoder device and method to access protected content

Publications (2)

Publication Number Publication Date
BR112013026389A2 true BR112013026389A2 (pt) 2016-12-27
BR112013026389B1 BR112013026389B1 (pt) 2022-07-05

Family

ID=46062669

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013026389-0A BR112013026389B1 (pt) 2011-04-19 2012-04-19 Método e sistema para acessar um fluxo de conteúdo de áudio / vídeo cifrado através de uma rede ip usando um dispositivo de recepção de multimídia

Country Status (8)

Country Link
US (1) US9742736B2 (pt)
EP (1) EP2700238B1 (pt)
CN (1) CN103493497B (pt)
BR (1) BR112013026389B1 (pt)
CA (1) CA2832522C (pt)
MX (1) MX337186B (pt)
WO (1) WO2012143880A1 (pt)
ZA (1) ZA201307138B (pt)

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Also Published As

Publication number Publication date
CA2832522A1 (en) 2012-10-26
CN103493497A (zh) 2014-01-01
EP2700238B1 (en) 2018-09-19
MX337186B (es) 2016-02-16
EP2700238A1 (en) 2014-02-26
MX2013012074A (es) 2014-01-20
BR112013026389B1 (pt) 2022-07-05
CA2832522C (en) 2021-09-07
US9742736B2 (en) 2017-08-22
ZA201307138B (en) 2014-12-23
CN103493497B (zh) 2018-09-04
US20140040623A1 (en) 2014-02-06
WO2012143880A1 (en) 2012-10-26

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