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AU2000248144A1 - Method and apparatus for enabling random access to individual pictures in an encrypted video stream - Google Patents

Method and apparatus for enabling random access to individual pictures in an encrypted video stream

Info

Publication number
AU2000248144A1
AU2000248144A1 AU2000248144A AU4814400A AU2000248144A1 AU 2000248144 A1 AU2000248144 A1 AU 2000248144A1 AU 2000248144 A AU2000248144 A AU 2000248144A AU 4814400 A AU4814400 A AU 4814400A AU 2000248144 A1 AU2000248144 A1 AU 2000248144A1
Authority
AU
Australia
Prior art keywords
random access
video stream
encrypted video
individual pictures
enabling random
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.)
Abandoned
Application number
AU2000248144A
Other languages
English (en)
Inventor
Nicol Chung Pang So
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
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 Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Publication of AU2000248144A1 publication Critical patent/AU2000248144A1/en
Abandoned 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • H04N21/23897—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption by partially encrypting, e.g. encrypting only 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
    • H04N21/234—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]
    • H04N21/20—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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • 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
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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)
  • Human Computer Interaction (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AU2000248144A 2000-05-02 2000-05-02 Method and apparatus for enabling random access to individual pictures in an encrypted video stream Abandoned AU2000248144A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/011891 WO2002015579A1 (fr) 2000-05-02 2000-05-02 Procede et appareil permettant l'acces aleatoire a des images individuelles dans un flot de video chiffre

Publications (1)

Publication Number Publication Date
AU2000248144A1 true AU2000248144A1 (en) 2002-02-25

Family

ID=21741343

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000248144A Abandoned AU2000248144A1 (en) 2000-05-02 2000-05-02 Method and apparatus for enabling random access to individual pictures in an encrypted video stream

Country Status (6)

Country Link
EP (1) EP1275250A1 (fr)
KR (1) KR20020091254A (fr)
CN (1) CN1452840A (fr)
AU (1) AU2000248144A1 (fr)
CA (1) CA2408232C (fr)
WO (1) WO2002015579A1 (fr)

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US7111169B2 (en) 2001-03-29 2006-09-19 Intel Corporation Method and apparatus for content protection across a source-to-destination interface
ATE470311T1 (de) 2002-02-22 2010-06-15 Nds Ltd Verarbeitung von verschlüsseltem datenpaketstrom
US7317797B2 (en) 2002-06-07 2008-01-08 General Instrument Corporation Seamless switching between multiple pre-encrypted video files
EP1540955A4 (fr) 2002-07-09 2007-08-01 Kaleidescape Inc Systeme de distribution de contenu et de cle pour contenu numerique representant des flots multimedia
CN1260642C (zh) * 2002-11-18 2006-06-21 深圳市朗科科技有限公司 一种向移动存储装置发送命令和数据的方法
FR2848372B1 (fr) * 2002-12-09 2005-04-01 Medialive Synchronisation de flux audiovisuels securises
KR20050087843A (ko) * 2002-12-20 2005-08-31 코닌클리케 필립스 일렉트로닉스 엔.브이. 스트림들을 프로세싱하기 위한 장치 및 방법
CN1778062A (zh) * 2003-04-21 2006-05-24 Rgb网络有限公司 时分复用多程序加密系统
GB2404467A (en) * 2003-07-31 2005-02-02 Sony Uk Ltd Access control for digital content
US7343013B2 (en) * 2003-12-16 2008-03-11 Sony Corporation Composite session-based encryption of video on demand content
JP2005149029A (ja) * 2003-11-13 2005-06-09 Matsushita Electric Ind Co Ltd コンテンツ配信システム、コンテンツサーバ、コンテンツ受信装置、コンテンツ配信方法、プログラム及び記録媒体
KR101244308B1 (ko) * 2003-12-08 2013-03-18 삼성전자주식회사 동영상 파일의 암호화 방법 및 그를 이용한 디지털 저작권관리방법
CN100364332C (zh) 2004-09-01 2008-01-23 华为技术有限公司 一种保护宽带视音频广播内容的方法
JP4980913B2 (ja) 2004-09-23 2012-07-18 トムソン ライセンシング トリック・プレイ用メタデータのビデオ伝送ストリームへの挿入
CN100505866C (zh) * 2004-10-28 2009-06-24 武汉大学 一种视频信息的加解密方法
CN101167357B (zh) * 2005-04-26 2011-09-07 皇家飞利浦电子股份有限公司 用于处理具有分组序列和与分组有关的定时信息的数据流的设备和方法
EP1900209A2 (fr) 2005-06-23 2008-03-19 Panasonic Avionics Corporation Systeme et procede conçus pour assurer le dechiffrement d'un train de transport de donnees interrogeable
US7646867B2 (en) * 2005-09-09 2010-01-12 Netapp, Inc. System and/or method for encrypting data
CN101079871B (zh) * 2006-09-29 2011-05-11 腾讯科技（深圳）有限公司 多媒体信息流的透传方法和系统
US7929698B2 (en) 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
CN101453653B (zh) * 2007-12-07 2011-01-05 中兴通讯股份有限公司 一种传播数字音视频参数集的方法
EP2286328B3 (fr) 2008-05-29 2018-02-28 Hewlett-Packard Development Company, L.P. Composant d'imprimante remplaçable avec mémoire stockant un masque de cryptage d'étiquette
US20100132007A1 (en) * 2008-11-25 2010-05-27 Cisco Technology, Inc. Accelerating channel change time with external picture property markings
CN101783789B (zh) * 2009-01-16 2013-01-02 深圳市维信联合科技有限公司 网络数据包传输处理方法、设备及系统
US8630412B2 (en) 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
KR101362429B1 (ko) * 2011-07-25 2014-02-13 주식회사 케이티 영상 콘텐츠 품질 측정 시스템 및 방법
CN102867153B (zh) * 2012-08-30 2014-04-09 腾讯科技（深圳）有限公司 一种加密、解密视频文件的方法、装置及移动终端
EP3013059A4 (fr) * 2013-06-21 2017-03-22 Sony Corporation Appareil et procédé de transmission, appareil et procédé de reproduction et appareil de réception
CN103886106B (zh) * 2014-04-14 2017-02-22 北京工业大学 一种基于光谱特征保护的遥感图像安全检索方法
CN104581201A (zh) * 2014-12-31 2015-04-29 乐视网信息技术（北京）股份有限公司 一种视频加密方法及装置
CN104639943B (zh) * 2015-01-30 2018-02-13 中国科学院信息工程研究所 一种基于h.264编码标准的通用视频加密方法及系统
CN109561345B (zh) * 2018-12-14 2021-08-03 上海文广科技（集团）有限公司 基于avs+编码格式的数字电影打包方法

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FI97928C (fi) * 1994-03-21 1997-03-10 Nokia Technology Gmbh Menetelmä digitaalisessa muodossa siirrettävän televisiolähetyksen salaamiseksi
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
US5659539A (en) * 1995-07-14 1997-08-19 Oracle Corporation Method and apparatus for frame accurate access of digital audio-visual information
US6453355B1 (en) * 1998-01-15 2002-09-17 Apple Computer, Inc. Method and apparatus for media data transmission

Also Published As

Publication number Publication date
CA2408232C (fr) 2008-01-15
WO2002015579A1 (fr) 2002-02-21
KR20020091254A (ko) 2002-12-05
EP1275250A1 (fr) 2003-01-15
CN1452840A (zh) 2003-10-29
CA2408232A1 (fr) 2002-02-21

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