FR2845554B1 - Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite - Google Patents

Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite

Info

Publication number
FR2845554B1
FR2845554B1 FR0212268A FR0212268A FR2845554B1 FR 2845554 B1 FR2845554 B1 FR 2845554B1 FR 0212268 A FR0212268 A FR 0212268A FR 0212268 A FR0212268 A FR 0212268A FR 2845554 B1 FR2845554 B1 FR 2845554B1
Authority
FR
France
Prior art keywords
high quality
secure transmission
audiovisual files
quality audiovisual
files
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
FR0212268A
Other languages
English (en)
Other versions
FR2845554A1 (fr
Inventor
Daniel Lecomte
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.)
Medialive SA
Original Assignee
Medialive 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 Medialive SA filed Critical Medialive SA
Priority to FR0212268A priority Critical patent/FR2845554B1/fr
Priority to EP03775471A priority patent/EP1547383A1/fr
Priority to AU2003283497A priority patent/AU2003283497A1/en
Priority to PCT/FR2003/002916 priority patent/WO2004032508A1/fr
Publication of FR2845554A1 publication Critical patent/FR2845554A1/fr
Application granted granted Critical
Publication of FR2845554B1 publication Critical patent/FR2845554B1/fr
Priority to US11/093,671 priority patent/US7764791B2/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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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
    • H04N21/4405—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 stream decryption
    • H04N21/44055—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 stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the 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 
    • H04N21/63—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
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR0212268A 2002-10-03 2002-10-03 Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite Expired - Fee Related FR2845554B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0212268A FR2845554B1 (fr) 2002-10-03 2002-10-03 Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite
EP03775471A EP1547383A1 (fr) 2002-10-03 2003-10-03 Method pour la transmission securisee de fichiers audiovisuels
AU2003283497A AU2003283497A1 (en) 2002-10-03 2003-10-03 Method for the secure transmission of audiovisual files
PCT/FR2003/002916 WO2004032508A1 (fr) 2002-10-03 2003-10-03 Method pour la transmission securisee de fichiers audiovisuels
US11/093,671 US7764791B2 (en) 2002-10-03 2005-03-30 Method for secured transmission of audiovisual files

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0212268A FR2845554B1 (fr) 2002-10-03 2002-10-03 Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite

Publications (2)

Publication Number Publication Date
FR2845554A1 FR2845554A1 (fr) 2004-04-09
FR2845554B1 true FR2845554B1 (fr) 2004-11-26

Family

ID=32011372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0212268A Expired - Fee Related FR2845554B1 (fr) 2002-10-03 2002-10-03 Dispositif pour une transmission securisee de fichiers audiovisuels de haute qualite

Country Status (4)

Country Link
EP (1) EP1547383A1 (fr)
AU (1) AU2003283497A1 (fr)
FR (1) FR2845554B1 (fr)
WO (1) WO2004032508A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854530B1 (fr) 2003-05-02 2005-07-22 Medialive Procede et dispositif pour securiser la transmission, l'enregistrement et la visualisation de flux empaquetes audiovisuels numeriques

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144667A (en) * 1990-12-20 1992-09-01 Delco Electronics Corporation Method of secure remote access
DE60105155T2 (de) * 2000-06-15 2005-09-08 FRANCE TéLéCOM Anordnung einer video-schnittstelle, verteilungssystem und verfahren zur übertragung von kodierten videoprogrammen und sequenzen über ein weiträumiges netz

Also Published As

Publication number Publication date
FR2845554A1 (fr) 2004-04-09
WO2004032508A1 (fr) 2004-04-15
EP1547383A1 (fr) 2005-06-29
AU2003283497A1 (en) 2004-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080630