EP1486071A4 - Elementarstrom-partialverschlüsselung - Google Patents

Elementarstrom-partialverschlüsselung

Info

Publication number
EP1486071A4
EP1486071A4 EP02792388A EP02792388A EP1486071A4 EP 1486071 A4 EP1486071 A4 EP 1486071A4 EP 02792388 A EP02792388 A EP 02792388A EP 02792388 A EP02792388 A EP 02792388A EP 1486071 A4 EP1486071 A4 EP 1486071A4
Authority
EP
European Patent Office
Prior art keywords
elementary stream
partial encryption
stream partial
encryption
elementary
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.)
Ceased
Application number
EP02792388A
Other languages
English (en)
French (fr)
Other versions
EP1486071A2 (de
Inventor
Brant L Candelore
Robert Allan Unger
Leo M Pedlow Jr
Gregory Mirsky
Mark Kenneth Eyer
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
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 claimed from US10/037,914 external-priority patent/US7124303B2/en
Priority claimed from CA 2405865 external-priority patent/CA2405865C/en
Application filed by Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of EP1486071A2 publication Critical patent/EP1486071A2/de
Publication of EP1486071A4 publication Critical patent/EP1486071A4/de
Ceased 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]
    • H04N21/20—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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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
    • H04N21/43—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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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, rendering scenes according to MPEG-4 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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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]
    • H04N21/20—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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • 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
    • H04N7/10—Adaptations for transmission by electrical cable
    • 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
EP02792388A 2002-01-02 2002-12-13 Elementarstrom-partialverschlüsselung Ceased EP1486071A4 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US37914 2002-01-02
US10/037,914 US7124303B2 (en) 2001-06-06 2002-01-02 Elementary stream partial encryption
CA2405865 2002-10-01
CA 2405865 CA2405865C (en) 2001-10-26 2002-10-01 Elementary stream partial encryption
PCT/US2002/040051 WO2003061173A2 (en) 2002-01-02 2002-12-13 Elementary stream partial encryption

Publications (2)

Publication Number Publication Date
EP1486071A2 EP1486071A2 (de) 2004-12-15
EP1486071A4 true EP1486071A4 (de) 2009-09-30

Family

ID=25682868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02792388A Ceased EP1486071A4 (de) 2002-01-02 2002-12-13 Elementarstrom-partialverschlüsselung

Country Status (7)

Country Link
EP (1) EP1486071A4 (de)
JP (1) JP4446743B2 (de)
KR (1) KR101004196B1 (de)
CN (1) CN1633809B (de)
AU (1) AU2002357846A1 (de)
MX (1) MXPA04006400A (de)
WO (1) WO2003061173A2 (de)

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US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
JP5200204B2 (ja) 2006-03-14 2013-06-05 ディブエックス リミテッド ライアビリティー カンパニー 高信頼性システムを含む連合型デジタル権限管理機構
JP4175381B2 (ja) * 2006-05-10 2008-11-05 ソニー株式会社 情報処理システムおよび方法、情報処理装置および方法、並びにプログラム
ES2709208T3 (es) 2007-01-05 2019-04-15 Sonic Ip Inc Sistema de distribución de vídeo que incluye reproducción progresiva
EP2119230B1 (de) 2007-01-11 2013-07-03 NDS Limited Verarbeitung von videoinhalten
US8385545B2 (en) * 2007-07-27 2013-02-26 Howard G. Pinder Secure content key distribution using multiple distinct methods
US8233768B2 (en) 2007-11-16 2012-07-31 Divx, Llc Hierarchical and reduced index structures for multimedia files
CN101562813B (zh) 2009-05-12 2012-01-11 中兴通讯股份有限公司 实时数据业务的实现方法、实时数据业务系统和移动终端
WO2011068668A1 (en) 2009-12-04 2011-06-09 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
EP2341708B1 (de) 2010-01-05 2017-03-08 Irdeto B.V. Rundfunkvarianten von digitalen Signalen in einem Zugangsberechtigungssystem
EP2656604A4 (de) * 2010-12-26 2014-07-23 Lg Electronics Inc Verfahren zur übertragung eines rundfunkdienstes, verfahren zum empfang des rundfunkdienstes und vorrichtung zum empfang des rundfunkdienstes
US8649514B2 (en) 2010-12-28 2014-02-11 Sony Corporation On-demand switched content encryption
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8806188B2 (en) 2011-08-31 2014-08-12 Sonic Ip, Inc. Systems and methods for performing adaptive bitrate streaming using automatically generated top level index files
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
CN103873887A (zh) * 2012-12-13 2014-06-18 航天信息股份有限公司 点播节目的播放方法、装置和系统
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
KR102012682B1 (ko) 2015-01-06 2019-08-22 디브이엑스, 엘엘씨 디바이스들간에 콘텐트를 인코딩 및 공유하기 위한 시스템들 및 방법들

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420866A (en) * 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
WO1995028058A1 (fr) * 1994-04-06 1995-10-19 France Telecom Procede de diffusion de programmes a acces conditionnel progressif et a separation du flux d'information et recepteur correspondant
EP0696141A2 (de) * 1994-08-01 1996-02-07 NOKIA TECHNOLOGY GmbH System zur Steuerung unterschiedlicher Systeme mit bedingtem Zugriff zur Übertragung von Video-, Audio- und Daten-Diensten und Empfänger zur Anwendung in diesem System
WO1998008341A1 (fr) * 1996-08-20 1998-02-26 France Telecom Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire
US5796829A (en) * 1994-09-09 1998-08-18 The Titan Corporation Conditional access system

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EP0200310B1 (de) * 1985-05-01 1993-08-11 General Instrument Corporation Satellitenübertragungssystem mit Direktübertragung
US5247575A (en) * 1988-08-16 1993-09-21 Sprague Peter J Information distribution system
US5018197A (en) * 1990-07-30 1991-05-21 Zenith Electronics Corporation Secure video decoder system
US5666293A (en) * 1994-05-27 1997-09-09 Bell Atlantic Network Services, Inc. Downloading operating system software through a broadcast channel
US5629981A (en) * 1994-07-29 1997-05-13 Texas Instruments Incorporated Information management and security system
US5742680A (en) * 1995-11-13 1998-04-21 E Star, Inc. Set top box for receiving and decryption and descrambling a plurality of satellite television signals
US5894516A (en) * 1996-07-10 1999-04-13 Ncr Corporation Broadcast software distribution
US5915018A (en) * 1996-11-05 1999-06-22 Intel Corporation Key management system for DVD copyright management
US6229895B1 (en) * 1999-03-12 2001-05-08 Diva Systems Corp. Secure distribution of video on-demand
EP1226717B1 (de) * 1999-10-06 2004-07-21 Thomson Licensing S.A. Verfahren für den Zugriff auf nach unterschiedlichen Verfahren für bedingten Zugriff geschützten übertragenen Audio-/Video-Daten mittels derselben Vorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420866A (en) * 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
WO1995028058A1 (fr) * 1994-04-06 1995-10-19 France Telecom Procede de diffusion de programmes a acces conditionnel progressif et a separation du flux d'information et recepteur correspondant
EP0696141A2 (de) * 1994-08-01 1996-02-07 NOKIA TECHNOLOGY GmbH System zur Steuerung unterschiedlicher Systeme mit bedingtem Zugriff zur Übertragung von Video-, Audio- und Daten-Diensten und Empfänger zur Anwendung in diesem System
US5796829A (en) * 1994-09-09 1998-08-18 The Titan Corporation Conditional access system
WO1998008341A1 (fr) * 1996-08-20 1998-02-26 France Telecom Procede et equipement pour affecter a un programme de television deja en acces conditionnel un acces conditionnel complementaire

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"FUNCTIONAL MODEL OF A CONDITIONAL ACCESS SYSTEM", EBU REVIEW- TECHNICAL, EUROPEAN BROADCASTING UNION. BRUSSELS, BE, no. 266, 21 December 1995 (1995-12-21), pages 64 - 77, XP000559450, ISSN: 0251-0936 *
CUTTS D J: "DVB CONDITIONAL ACCESS", ELECTRONICS AND COMMUNICATION ENGINEERING JOURNAL, INSTITUTION OF ELECTRICAL ENGINEERS, LONDON, GB, vol. 9, no. 1, 1 February 1997 (1997-02-01), pages 21 - 27, XP000722905, ISSN: 0954-0695 *
See also references of WO03061173A2 *

Also Published As

Publication number Publication date
MXPA04006400A (es) 2004-10-04
AU2002357846A8 (en) 2003-07-30
AU2002357846A1 (en) 2003-07-30
JP2005515694A (ja) 2005-05-26
CN1633809A (zh) 2005-06-29
KR20040068994A (ko) 2004-08-02
WO2003061173A3 (en) 2004-09-23
WO2003061173A2 (en) 2003-07-24
KR101004196B1 (ko) 2010-12-24
JP4446743B2 (ja) 2010-04-07
EP1486071A2 (de) 2004-12-15
CN1633809B (zh) 2010-04-21

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