FR2843517B1 - Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4 - Google Patents

Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4

Info

Publication number
FR2843517B1
FR2843517B1 FR0210002A FR0210002A FR2843517B1 FR 2843517 B1 FR2843517 B1 FR 2843517B1 FR 0210002 A FR0210002 A FR 0210002A FR 0210002 A FR0210002 A FR 0210002A FR 2843517 B1 FR2843517 B1 FR 2843517B1
Authority
FR
France
Prior art keywords
mpeg
multimedia
interference
type
audiovisual contents
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 - Lifetime
Application number
FR0210002A
Other languages
English (en)
Other versions
FR2843517A1 (fr
Inventor
Daniel Lecomte
Pierre Sarda
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
Priority to FR0210002A priority Critical patent/FR2843517B1/fr
Application filed by Medialive SA filed Critical Medialive SA
Priority to CNB038238292A priority patent/CN100438620C/zh
Priority to AU2003282814A priority patent/AU2003282814A1/en
Priority to US10/523,675 priority patent/US20050243924A1/en
Priority to EP03756530A priority patent/EP1527605A2/fr
Priority to PCT/FR2003/002477 priority patent/WO2004015996A2/fr
Priority to JP2004526983A priority patent/JP2005535242A/ja
Publication of FR2843517A1 publication Critical patent/FR2843517A1/fr
Application granted granted Critical
Publication of FR2843517B1 publication Critical patent/FR2843517B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N21/45—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]
    • H04N21/20—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]
    • H04N21/20—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]
    • H04N21/80—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
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR0210002A 2002-08-06 2002-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4 Expired - Lifetime FR2843517B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0210002A FR2843517B1 (fr) 2002-08-06 2002-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4
AU2003282814A AU2003282814A1 (en) 2002-08-06 2003-08-06 Device for scrambling mpeg-4-type audio-visual and multimedia content
US10/523,675 US20050243924A1 (en) 2002-08-06 2003-08-06 Device for scrambling mpeg-4-type audio-visual and multimedia content
EP03756530A EP1527605A2 (fr) 2002-08-06 2003-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4
CNB038238292A CN100438620C (zh) 2002-08-06 2003-08-06 用于扰频mpeg-4类型的多媒体和视听内容的装置及方法
PCT/FR2003/002477 WO2004015996A2 (fr) 2002-08-06 2003-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4
JP2004526983A JP2005535242A (ja) 2002-08-06 2003-08-06 Ｍｐｅｇ−４タイプの音響映像マルチメディアコンテンツのスクランブル装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0210002A FR2843517B1 (fr) 2002-08-06 2002-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4

Publications (2)

Publication Number Publication Date
FR2843517A1 FR2843517A1 (fr) 2004-02-13
FR2843517B1 true FR2843517B1 (fr) 2005-02-11

Family

ID=30470966

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210002A Expired - Lifetime FR2843517B1 (fr) 2002-08-06 2002-08-06 Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4

Country Status (7)

Country Link
US (1) US20050243924A1 (fr)
EP (1) EP1527605A2 (fr)
JP (1) JP2005535242A (fr)
CN (1) CN100438620C (fr)
AU (1) AU2003282814A1 (fr)
FR (1) FR2843517B1 (fr)
WO (1) WO2004015996A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867928B1 (fr) * 2004-03-16 2006-06-09 Medialive Procede et systeme hautement securises pour la distribution de flux audiovisuels
FR2868654B1 (fr) 2004-04-06 2007-06-22 Medialive Procede et systeme de diffusion securisee de flux audiovisuels proteges a un groupe dynamique de recepteurs
JP4722042B2 (ja) * 2004-04-20 2011-07-13 パナソニック株式会社 記録再生装置、記録再生制御方法、記録再生制御プログラム、および半導体装置
FR2898458B1 (fr) * 2006-03-10 2008-05-16 Medialive Procede pour la distribution securisee de sequences audiovisuelles, decodeur et systeme pour la mise en oeuvre de ce procede
FR2909507B1 (fr) * 2006-12-05 2009-05-22 Medialive Sa Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionel
US20100037320A1 (en) * 2007-02-22 2010-02-11 Yuval Moed System and Method for On-Line Exchange and Trade of Information
FR2923126B1 (fr) 2007-10-30 2009-12-11 Medialive Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionnel
FI20071024A0 (fi) * 2007-12-28 2007-12-28 Splitstreem Oy Menetelmä ja laitteisto ei-reaaliaikaisen sisällön suojaamiseen
US9043386B2 (en) 2010-10-06 2015-05-26 Hbr Labs Inc. System and method for synchronizing collaborative form filling
US9323730B2 (en) 2012-09-05 2016-04-26 Hbr Labs Llc Platform and method for real-time synchronized co-browsing of web pages
CN110070023B (zh) * 2019-04-16 2020-06-16 上海极链网络科技有限公司 一种基于运动顺序性回归的自监督学习方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916737A (en) * 1988-11-14 1990-04-10 Teleglobe Pay-Tv System, Inc. Secure anti-piracy encoded television system and method
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
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
US20010036271A1 (en) * 1999-09-13 2001-11-01 Javed Shoeb M. System and method for securely distributing digital content for short term use
US7039189B1 (en) * 2000-03-17 2006-05-02 International Business Machines Corporation Stream continuity enforcement
FI109393B (fi) * 2000-07-14 2002-07-15 Nokia Corp Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite
DE10055237A1 (de) * 2000-11-08 2002-05-23 Siemens Ag Verfahren zur Kontrolle des Zugriffs auf ein zugriffsbeschränktes System und zugriffsbeschränktes System
JP2005530462A (ja) * 2002-06-13 2005-10-06 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 次世代テレビジョンにおける暗号化および透かし処理を施される時間的および解像度レイヤ構造
US7062096B2 (en) * 2002-07-29 2006-06-13 Matsushita Electric Industrial Co., Ltd. Apparatus and method for performing bitplane coding with reordering in a fine granularity scalability coding system

Also Published As

Publication number Publication date
FR2843517A1 (fr) 2004-02-13
AU2003282814A8 (en) 2004-02-25
US20050243924A1 (en) 2005-11-03
WO2004015996A2 (fr) 2004-02-19
CN100438620C (zh) 2008-11-26
CN1703909A (zh) 2005-11-30
EP1527605A2 (fr) 2005-05-04
WO2004015996A3 (fr) 2004-04-08
JP2005535242A (ja) 2005-11-17
AU2003282814A1 (en) 2004-02-25

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Legal Events

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TP Transmission of property

Owner name: NAGRA FRANCE SAS, FR

Effective date: 20130121

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Year of fee payment: 15

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