FR2848372B1 - Synchronisation de flux audiovisuels securises - Google Patents

Synchronisation de flux audiovisuels securises

Info

Publication number
FR2848372B1
FR2848372B1 FR0215540A FR0215540A FR2848372B1 FR 2848372 B1 FR2848372 B1 FR 2848372B1 FR 0215540 A FR0215540 A FR 0215540A FR 0215540 A FR0215540 A FR 0215540A FR 2848372 B1 FR2848372 B1 FR 2848372B1
Authority
FR
France
Prior art keywords
synchronization
flows
secure
secure audiovisual
audiovisual flows
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
FR0215540A
Other languages
English (en)
Other versions
FR2848372A1 (fr
Inventor
Daniel Lecomte
Sebastien Georges
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.)
Nagra France SAS
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 FR0215540A priority Critical patent/FR2848372B1/fr
Priority to US10/537,323 priority patent/US7864759B2/en
Priority to PCT/FR2003/050158 priority patent/WO2004056114A1/fr
Priority to EP03799714A priority patent/EP1570672A1/fr
Priority to AU2003299417A priority patent/AU2003299417A1/en
Publication of FR2848372A1 publication Critical patent/FR2848372A1/fr
Application granted granted Critical
Publication of FR2848372B1 publication Critical patent/FR2848372B1/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
    • H04N21/44—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]
    • H04N21/20—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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • 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
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • 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
    • 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
    • H04N7/17336—Handling of requests in head-ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR0215540A 2002-12-09 2002-12-09 Synchronisation de flux audiovisuels securises Expired - Fee Related FR2848372B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0215540A FR2848372B1 (fr) 2002-12-09 2002-12-09 Synchronisation de flux audiovisuels securises
US10/537,323 US7864759B2 (en) 2002-12-09 2003-12-09 Synchronization of secured audiovisual streams
PCT/FR2003/050158 WO2004056114A1 (fr) 2002-12-09 2003-12-09 Synchronisation de flux audiovisuels securises
EP03799714A EP1570672A1 (fr) 2002-12-09 2003-12-09 Synchronisation de flux audiovisuels securisés
AU2003299417A AU2003299417A1 (en) 2002-12-09 2003-12-09 Synchronisation of secure audiovisual streams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0215540A FR2848372B1 (fr) 2002-12-09 2002-12-09 Synchronisation de flux audiovisuels securises

Publications (2)

Publication Number Publication Date
FR2848372A1 FR2848372A1 (fr) 2004-06-11
FR2848372B1 true FR2848372B1 (fr) 2005-04-01

Family

ID=32320112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0215540A Expired - Fee Related FR2848372B1 (fr) 2002-12-09 2002-12-09 Synchronisation de flux audiovisuels securises

Country Status (5)

Country Link
US (1) US7864759B2 (fr)
EP (1) EP1570672A1 (fr)
AU (1) AU2003299417A1 (fr)
FR (1) FR2848372B1 (fr)
WO (1) WO2004056114A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2850826B1 (fr) 2003-02-04 2005-04-01 Medialive Procede et dispositif de protection pour la diffusion securisee d'oeuvres audiovisuelles
US20090307366A1 (en) * 2005-05-17 2009-12-10 Olaf Erb Method for data stream transmission
FR2898451B1 (fr) 2006-03-13 2008-05-09 Medialive Procede et equipement de distribution de contenus audiovisuels numeriques securises par des solutions interoperables
CN101042910A (zh) * 2006-03-21 2007-09-26 皇家飞利浦电子股份有限公司 一种用于播放内容的方法和装置
FI20065452A0 (fi) * 2006-06-29 2006-06-29 Valtion Teknillinen Menetelmä sisällön välittämiseen
US20080313309A1 (en) * 2007-06-18 2008-12-18 Pradipta Kumar Banerjee Client-server data transfer control
US20090313674A1 (en) * 2008-06-17 2009-12-17 Ictv, Inc. PID Obfuscation
US20100262336A1 (en) * 2009-04-09 2010-10-14 Qualcomm Incorporated System and method for generating and rendering multimedia data including environmental metadata
EP2744197A4 (fr) * 2011-08-11 2015-02-18 Panasonic Corp Dispositif et procédé de lecture, circuit intégré, système et procédé de diffusion
JP6682893B2 (ja) * 2016-02-09 2020-04-15 株式会社Ｊｖｃケンウッド 移動端末装置、管理装置、プログラム
CN108965961B (zh) * 2018-09-05 2021-09-07 北京奇艺世纪科技有限公司 一种多媒体数据处理方法、装置及投屏设备

Family Cites Families (27)

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JPH09160899A (ja) 1995-12-06 1997-06-20 Matsushita Electric Ind Co Ltd 情報サービス処理装置
US6185306B1 (en) * 1995-12-07 2001-02-06 Hyperlock Technologies, Inc. Method of secure server control of local media via a trigger through a network for local access of encrypted data on an internet webpage
US5937164A (en) * 1995-12-07 1999-08-10 Hyperlock Technologies, Inc. Method and apparatus of secure server control of local media via a trigger through a network for instant local access of encrypted data on local media within a platform independent networking system
US6035329A (en) * 1995-12-07 2000-03-07 Hyperlock Technologies, Inc. Method of securing the playback of a DVD-ROM via triggering data sent via a cable network
US5892825A (en) * 1996-05-15 1999-04-06 Hyperlock Technologies Inc Method of secure server control of local media via a trigger through a network for instant local access of encrypted data on local media
US5828370A (en) * 1996-07-01 1998-10-27 Thompson Consumer Electronics Inc. Video delivery system and method for displaying indexing slider bar on the subscriber video screen
FR2767434B1 (fr) 1997-08-12 2002-02-08 Gilles Maton Terminal actif multi-applicatif localisable a lecture de programmes identifies en liaison ponctuelle avec un centre de gestion et de traitement personnalise
US6396874B1 (en) * 1997-11-12 2002-05-28 Sony Corporation Decoding method and apparatus and recording method and apparatus for moving picture data
JPH11298878A (ja) * 1998-04-08 1999-10-29 Nec Corp 画像スクランブル方法およびそれを実施する装置
US6377690B1 (en) * 1998-09-14 2002-04-23 Lucent Technologies Inc. Safe transmission of broadband data messages
US7305695B1 (en) * 1999-01-20 2007-12-04 Intel Corporation System for providing video on demand with pause feature
FR2789780B1 (fr) 1999-02-17 2002-02-01 Netquartz Procede pour creer un lien entre un editeur et des utilisateurs
US7992163B1 (en) * 1999-06-11 2011-08-02 Jerding Dean F Video-on-demand navigational system
AU2001241972A1 (en) 2000-03-02 2001-09-12 Tivo, Inc. Conditional access system and method for prevention of replay attacks
GB0007868D0 (en) * 2000-03-31 2000-05-17 Koninkl Philips Electronics Nv Methods and apparatus for editing digital video recordings and recordings made by such methods
WO2001078386A2 (fr) * 2000-04-07 2001-10-18 Irdeto Access B.V. Systeme de brouillage d'un contenu et systeme de desembrouillage de ce contenu brouille
WO2001078346A2 (fr) * 2000-04-08 2001-10-18 Sun Microsystems, Inc. Resynchronisation de flux multimedia
EP1275250A1 (fr) * 2000-05-02 2003-01-15 General Instrument Corporation Procede et appareil permettant l'acces aleatoire a des images individuelles dans un flot de video chiffre
ES2227243T3 (es) 2000-06-15 2005-04-01 France Telecom Disposicion de interfaz de video, sistema de distribucion y metodo para transferir programas y secuencias de videos codificadas sobre una red de area amplia.
FR2812147A1 (fr) * 2000-07-19 2002-01-25 Innovatron Sa Procede de traitement d'un flux d'informations par un microcircuit de securite, notamment un microcircuit de carte a puce
WO2002017637A1 (fr) * 2000-08-25 2002-02-28 Matsushita Electric Industrial Co., Ltd. Procede de transmission de donnees et procede de relais de donnees
JP3889919B2 (ja) * 2000-08-31 2007-03-07 株式会社日立製作所 情報配信方法、情報受信方法、情報配信システム、情報配信装置、受信端末及び記憶媒体
US6970939B2 (en) * 2000-10-26 2005-11-29 Intel Corporation Method and apparatus for large payload distribution in a network
US20090282444A1 (en) * 2001-12-04 2009-11-12 Vixs Systems, Inc. System and method for managing the presentation of video
US7530084B2 (en) * 2002-05-28 2009-05-05 Sony Corporation Method and apparatus for synchronizing dynamic graphics
US7382969B2 (en) * 2003-02-19 2008-06-03 Sony Corporation Method and system for preventing the unauthorized copying of video content
US20040168185A1 (en) * 2003-02-24 2004-08-26 Dawson Thomas Patrick Multimedia network picture-in-picture

Also Published As

Publication number Publication date
US7864759B2 (en) 2011-01-04
WO2004056114A1 (fr) 2004-07-01
US20060088162A1 (en) 2006-04-27
AU2003299417A1 (en) 2004-07-09
EP1570672A1 (fr) 2005-09-07
FR2848372A1 (fr) 2004-06-11

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Legal Events

Date Code Title Description
TP Transmission of property

Owner name: NAGRA FRANCE SAS, FR

Effective date: 20130121

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20200910