CN1954609A - 将受保护音频视频流安全广播到动态接收器组的方法和系统 - Google Patents
将受保护音频视频流安全广播到动态接收器组的方法和系统 Download PDFInfo
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- CN1954609A CN1954609A CN 200580012087 CN200580012087A CN1954609A CN 1954609 A CN1954609 A CN 1954609A CN 200580012087 CN200580012087 CN 200580012087 CN 200580012087 A CN200580012087 A CN 200580012087A CN 1954609 A CN1954609 A CN 1954609A
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Images
Classifications
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- 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
- H04N21/2343—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
- H04N21/234327—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 layers, e.g. base layer and one or more enhancement layers
-
- 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]
- H04N21/80—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
-
- 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)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0450682A FR2868654B1 (fr) | 2004-04-06 | 2004-04-06 | Procede et systeme de diffusion securisee de flux audiovisuels proteges a un groupe dynamique de recepteurs |
FR0450682 | 2004-04-06 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201210052824 Division CN102625148A (zh) | 2004-04-06 | 2005-04-06 | 将受保护音频视频流广播到动态接收器组的方法和系统 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1954609A true CN1954609A (zh) | 2007-04-25 |
Family
ID=34945673
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200580012087 Pending CN1954609A (zh) | 2004-04-06 | 2005-04-06 | 将受保护音频视频流安全广播到动态接收器组的方法和系统 |
CN 201210052824 Pending CN102625148A (zh) | 2004-04-06 | 2005-04-06 | 将受保护音频视频流广播到动态接收器组的方法和系统 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201210052824 Pending CN102625148A (zh) | 2004-04-06 | 2005-04-06 | 将受保护音频视频流广播到动态接收器组的方法和系统 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8229117B2 (zh) |
EP (1) | EP1733559A1 (zh) |
CN (2) | CN1954609A (zh) |
FR (1) | FR2868654B1 (zh) |
WO (1) | WO2005101836A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011072607A1 (zh) * | 2009-12-18 | 2011-06-23 | 华为终端有限公司 | 一种文件分段保护的方法、装置及系统 |
CN102300093A (zh) * | 2011-08-31 | 2011-12-28 | 华中科技大学 | 一种用于数据文件分发的加密方法 |
CN103002278A (zh) * | 2011-09-12 | 2013-03-27 | 汤姆森特许公司 | 选择性保留格式数据加密的方法和设备 |
CN104255008A (zh) * | 2012-03-16 | 2014-12-31 | 阿尔卡特朗讯公司 | 使用无保护的传递服务实现受保护内容的传递 |
CN106062758A (zh) * | 2014-03-02 | 2016-10-26 | 维亚塞斯公司 | 向终端提供受保护的多媒体内容的方法 |
CN114640866A (zh) * | 2022-05-18 | 2022-06-17 | 电子科技大学成都学院 | 一种基于随机动态的多通道加密方法、装置及系统 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2898451B1 (fr) * | 2006-03-13 | 2008-05-09 | Medialive | Procede et equipement de distribution de contenus audiovisuels numeriques securises par des solutions interoperables |
FR2923126B1 (fr) * | 2007-10-30 | 2009-12-11 | Medialive | Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionnel |
JP2012124736A (ja) * | 2010-12-09 | 2012-06-28 | Fujitsu Ltd | 通信インタフェース装置、送信制御方法および切断処理制御方法 |
US8646023B2 (en) | 2012-01-05 | 2014-02-04 | Dijit Media, Inc. | Authentication and synchronous interaction between a secondary device and a multi-perspective audiovisual data stream broadcast on a primary device geospatially proximate to the secondary device |
US9066117B2 (en) * | 2012-02-08 | 2015-06-23 | Vixs Systems, Inc | Container agnostic encryption device and methods for use therewith |
FR3067541A1 (fr) * | 2017-06-23 | 2018-12-14 | Orange | Emission et reception d'un flux de donnees |
CN112714358A (zh) * | 2020-12-29 | 2021-04-27 | 武汉烽火富华电气有限责任公司 | 一种视频流媒体加解密传输方法及系统 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6759198A (en) * | 1997-03-14 | 1998-10-12 | Cryptoworks, Inc. | Digital product rights management technique |
US6351474B1 (en) * | 1998-01-14 | 2002-02-26 | Skystream Networks Inc. | Network distributed remultiplexer for video program bearing transport streams |
FI107210B (fi) * | 1999-07-09 | 2001-06-15 | Nokia Networks Oy | Menetelmä puhelujen välittämiseksi pakettiverkon kautta |
US7349393B2 (en) * | 1999-12-02 | 2008-03-25 | Verizon Business Global Llc | Method and system for implementing an improved universal packet switching capability in a data switch |
AU2001275777A1 (en) * | 2000-06-15 | 2001-12-24 | France Telecom | Video interfacing arrangement, distribution system and a method for transferringencoded video programs and sequences over a wide area network |
US6771703B1 (en) * | 2000-06-30 | 2004-08-03 | Emc Corporation | Efficient scaling of nonscalable MPEG-2 Video |
US6947556B1 (en) * | 2000-08-21 | 2005-09-20 | International Business Machines Corporation | Secure data storage and retrieval with key management and user authentication |
AU2001285265A1 (en) * | 2000-09-12 | 2002-03-26 | Aladdin Knowledge Systems, Ltd. | System for managing rights and permitting on-line playback of digital content |
CN1251442C (zh) * | 2000-10-26 | 2006-04-12 | 通用器材公司 | 适用于多媒体内容的内容权利和条件的执行 |
US7023924B1 (en) * | 2000-12-28 | 2006-04-04 | Emc Corporation | Method of pausing an MPEG coded video stream |
US6763025B2 (en) * | 2001-03-12 | 2004-07-13 | Advent Networks, Inc. | Time division multiplexing over broadband modulation method and apparatus |
JP2002278859A (ja) * | 2001-03-16 | 2002-09-27 | Nec Corp | コンテンツ配信システム、コンテンツ配信方法及びコンテンツを再生するためのコンテンツ再生装置 |
US6968091B2 (en) * | 2001-09-18 | 2005-11-22 | Emc Corporation | Insertion of noise for reduction in the number of bits for variable-length coding of (run, level) pairs |
US7340603B2 (en) * | 2002-01-30 | 2008-03-04 | Sony Corporation | Efficient revocation of receivers |
US7080043B2 (en) * | 2002-03-26 | 2006-07-18 | Microsoft Corporation | Content revocation and license modification in a digital rights management (DRM) system on a computing device |
FR2843517B1 (fr) * | 2002-08-06 | 2005-02-11 | Medialive | Dispositif pour le brouillage de contenus multimedias et audiovisuels de type mpeg-4 |
FR2849563B1 (fr) * | 2002-12-31 | 2005-02-11 | Medialive | Marquage personnalise pour la protection de flux audiovisuels numeriques |
US7693222B2 (en) * | 2003-08-13 | 2010-04-06 | Ericsson Television Inc. | Method and system for re-multiplexing of content-modified MPEG-2 transport streams using PCR interpolation |
-
2004
- 2004-04-06 FR FR0450682A patent/FR2868654B1/fr not_active Expired - Fee Related
-
2005
- 2005-04-06 CN CN 200580012087 patent/CN1954609A/zh active Pending
- 2005-04-06 US US11/547,270 patent/US8229117B2/en active Active
- 2005-04-06 WO PCT/FR2005/000842 patent/WO2005101836A1/fr active Application Filing
- 2005-04-06 CN CN 201210052824 patent/CN102625148A/zh active Pending
- 2005-04-06 EP EP05753604A patent/EP1733559A1/fr not_active Ceased
-
2012
- 2012-06-27 US US13/534,349 patent/US8782688B2/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011072607A1 (zh) * | 2009-12-18 | 2011-06-23 | 华为终端有限公司 | 一种文件分段保护的方法、装置及系统 |
CN102300093A (zh) * | 2011-08-31 | 2011-12-28 | 华中科技大学 | 一种用于数据文件分发的加密方法 |
CN103002278A (zh) * | 2011-09-12 | 2013-03-27 | 汤姆森特许公司 | 选择性保留格式数据加密的方法和设备 |
CN104255008A (zh) * | 2012-03-16 | 2014-12-31 | 阿尔卡特朗讯公司 | 使用无保护的传递服务实现受保护内容的传递 |
US9948695B2 (en) | 2012-03-16 | 2018-04-17 | Alcatel Lucent | Enabling delivery of protected content using unprotected delivery services |
CN106062758A (zh) * | 2014-03-02 | 2016-10-26 | 维亚塞斯公司 | 向终端提供受保护的多媒体内容的方法 |
CN106062758B (zh) * | 2014-03-02 | 2019-07-26 | 维亚塞斯公司 | 向终端提供受保护的多媒体内容的方法 |
CN114640866A (zh) * | 2022-05-18 | 2022-06-17 | 电子科技大学成都学院 | 一种基于随机动态的多通道加密方法、装置及系统 |
Also Published As
Publication number | Publication date |
---|---|
FR2868654B1 (fr) | 2007-06-22 |
FR2868654A1 (fr) | 2005-10-07 |
WO2005101836A1 (fr) | 2005-10-27 |
CN102625148A (zh) | 2012-08-01 |
EP1733559A1 (fr) | 2006-12-20 |
US20110119699A1 (en) | 2011-05-19 |
US8782688B2 (en) | 2014-07-15 |
US20120291061A1 (en) | 2012-11-15 |
US8229117B2 (en) | 2012-07-24 |
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Owner name: KUIRIOU DATA CO., LTD. Free format text: FORMER OWNER: MEDIALIVE Effective date: 20100621 |
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Application publication date: 20070425 |