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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
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 (en) 2000-05-02 2000-05-02 Method and apparatus for enabling random access to individual pictures in an encrypted video stream

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 (en)
KR (1) KR20020091254A (en)
CN (1) CN1452840A (en)
AU (1) AU2000248144A1 (en)
CA (1) CA2408232C (en)
WO (1) WO2002015579A1 (en)

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* Cited by examiner, † Cited by third party
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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
EP1502437B1 (en) 2002-02-22 2010-06-02 NDS Limited Scrambled packet stream processing
US7317797B2 (en) * 2002-06-07 2008-01-08 General Instrument Corporation Seamless switching between multiple pre-encrypted video files
JP2005533416A (en) 2002-07-09 2005-11-04 カレイドスケイプ・インコーポレイテッド How to securely present encrypted digital content
CN1260642C (en) * 2002-11-18 2006-06-21 深圳市朗科科技有限公司 Method for transmitting command and data to portable storage device
FR2848372B1 (en) * 2002-12-09 2005-04-01 Medialive SYNCHRONIZATION OF SECURE AUDIOVISUAL FLOWS
JP2006511151A (en) * 2002-12-20 2006-03-30 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Stream processing apparatus and method
CN1778062A (en) * 2003-04-21 2006-05-24 Rgb网络有限公司 Time-multiplexed multi-program encryption system
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 (en) * 2003-11-13 2005-06-09 Matsushita Electric Ind Co Ltd Content distribution system, content server, content receiving apparatus, content distribution method, program, and recording medium
KR101244308B1 (en) * 2003-12-08 2013-03-18 삼성전자주식회사 Encoding Method for moving picture file and the Digital right management using the same
CN100364332C (en) * 2004-09-01 2008-01-23 华为技术有限公司 A method of protecting broadband video and audio broadcast content
JP4980913B2 (en) 2004-09-23 2012-07-18 トムソン ライセンシング Insert trick play metadata into the video transport stream
CN100505866C (en) * 2004-10-28 2009-06-24 武汉大学 A method for encryption and decryption of video information
BRPI0609561A2 (en) * 2005-04-26 2011-10-18 Koninkl Philips Electronics Nv device and method for processing a data stream, computer readable medium, and a program element for processing a data stream
CN101253768B (en) * 2005-06-23 2012-07-04 松下航空电子公司 System and method for providing searchable data transport stream encryption
US7646867B2 (en) * 2005-09-09 2010-01-12 Netapp, Inc. System and/or method for encrypting data
CN101079871B (en) * 2006-09-29 2011-05-11 腾讯科技（深圳）有限公司 Transparent transfer method and system of multimedia information stream
US7929698B2 (en) 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
CN101453653B (en) * 2007-12-07 2011-01-05 中兴通讯股份有限公司 A Method of Propagating Digital Audio-Video Parameter Set
PT2286328E (en) 2008-05-29 2014-10-08 Hewlett Packard Development Co Replaceable printer component including a memory storing a tag encryption mask
US20100132007A1 (en) 2008-11-25 2010-05-27 Cisco Technology, Inc. Accelerating channel change time with external picture property markings
CN101783789B (en) * 2009-01-16 2013-01-02 深圳市维信联合科技有限公司 Method, device and system for transmitting and processing network packet
US8630412B2 (en) * 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
KR101362429B1 (en) * 2011-07-25 2014-02-13 주식회사 케이티 System and method for measuring quality of image contents
CN102867153B (en) 2012-08-30 2014-04-09 腾讯科技（深圳）有限公司 Methods and devices for encrypting and decrypting video file and mobile terminal
EP3013059A4 (en) * 2013-06-21 2017-03-22 Sony Corporation Transmission apparatus, transmission method, reproduction apparatus, reproduction method and reception apparatus
CN103886106B (en) * 2014-04-14 2017-02-22 北京工业大学 Remote sensing image safe-retrieval method based on spectral feature protection
CN104581201A (en) * 2014-12-31 2015-04-29 乐视网信息技术（北京）股份有限公司 Video encryption method and device
CN104639943B (en) * 2015-01-30 2018-02-13 中国科学院信息工程研究所 A kind of generic video encryption method and system based on H.264 coding standard
CN109561345B (en) * 2018-12-14 2021-08-03 上海文广科技（集团）有限公司 Digital movie packaging method based on AVS + coding format

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97928C (en) * 1994-03-21 1997-03-10 Nokia Technology Gmbh Method of encrypting a television transmission transmitted in digital form
KR100332743B1 (en) * 1994-11-26 2002-11-07 엘지전자주식회사 Device and method for preventing illegal copy or unauthorized watching of digital image
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
KR20020091254A (en) 2002-12-05
CA2408232C (en) 2008-01-15
EP1275250A1 (en) 2003-01-15
CA2408232A1 (en) 2002-02-21
WO2002015579A1 (en) 2002-02-21
CN1452840A (en) 2003-10-29

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