ID24906A - Unit pengacak untuk sistim transmisi digital - Google Patents

Unit pengacak untuk sistim transmisi digital

Info

Publication number
ID24906A
ID24906A IDW20001211A ID20001211A ID24906A ID 24906 A ID24906 A ID 24906A ID W20001211 A IDW20001211 A ID W20001211A ID 20001211 A ID20001211 A ID 20001211A ID 24906 A ID24906 A ID 24906A
Authority
ID
Indonesia
Prior art keywords
transmission systems
digital transmission
runner units
runner
units
Prior art date
Application number
IDW20001211A
Other languages
English (en)
Indonesian (id)
Inventor
Lionel Tranchard
Christophe Declerck
Original Assignee
Canal Plus 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
Application filed by Canal Plus Sa filed Critical Canal Plus Sa
Publication of ID24906A publication Critical patent/ID24906A/id

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
    • H04N21/236—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
    • H04N21/23611—Insertion of stuffing data into a multiplex stream, e.g. to obtain a constant bitrate
    • 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
    • H04N21/236—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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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
    • 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]
    • H04N21/20—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
    • H04N21/26613—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 keys in general
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
IDW20001211A 1997-12-23 1998-12-23 Unit pengacak untuk sistim transmisi digital ID24906A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97403150A EP0926894A1 (en) 1997-12-23 1997-12-23 Scrambling unit for a digital transmission system

Publications (1)

Publication Number Publication Date
ID24906A true ID24906A (id) 2000-08-31

Family

ID=8229936

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW20001211A ID24906A (id) 1997-12-23 1998-12-23 Unit pengacak untuk sistim transmisi digital

Country Status (17)

Country Link
EP (2) EP0926894A1 (pl)
JP (1) JP2001527350A (pl)
KR (1) KR100666438B1 (pl)
CN (1) CN1174619C (pl)
AU (1) AU1777099A (pl)
BR (1) BR9813618A (pl)
CA (1) CA2311488A1 (pl)
HR (1) HRP20000331A2 (pl)
HU (1) HUP0101152A3 (pl)
ID (1) ID24906A (pl)
IL (1) IL136955A0 (pl)
NO (1) NO20003247L (pl)
PL (1) PL190503B1 (pl)
RU (1) RU2212770C2 (pl)
TR (1) TR200001921T2 (pl)
WO (1) WO1999033271A1 (pl)
ZA (1) ZA9811812B (pl)

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US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
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US8027470B2 (en) 2002-01-02 2011-09-27 Sony Corporation Video slice and active region based multiple partial encryption
US6973579B2 (en) 2002-05-07 2005-12-06 Interdigital Technology Corporation Generation of user equipment identification specific scrambling code for the high speed shared control channel
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KR100888592B1 (ko) * 2003-02-03 2009-03-16 삼성전자주식회사 방송신호 수신 장치 및 방법
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KR100640390B1 (ko) * 2004-01-17 2006-10-30 삼성전자주식회사 트랜스포트 스트림방식 엠펙-2 시스템의 부가 데이터 삽입 장치와 그 방법
RU2258315C1 (ru) * 2004-02-03 2005-08-10 Военный университет связи Способ формирования и проверки заверенного цифровым водяным знаком сообщения
RU2325775C2 (ru) * 2004-07-26 2008-05-27 Ирдето Эксесс Б.В. Способ частичного скремблирования потока данных
JP4542405B2 (ja) * 2004-09-30 2010-09-15 株式会社ケンウッド ベースバンド信号生成装置、ベースバンド信号生成方法及びプログラム
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
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US8189786B2 (en) 2005-05-25 2012-05-29 Zenith Electronics Llc Encryption system
KR100789382B1 (ko) * 2005-12-09 2007-12-28 한국전자통신연구원 지상파 ｄｍｂ 비디오, 오디오, 부가 데이터의 제한수신 시스템
DE602006010968D1 (de) * 2006-01-03 2010-01-21 Irdeto Access Bv Verfahren zur Entschlüsselung eines verschlüsselten Datenobjekts
US7555464B2 (en) 2006-03-01 2009-06-30 Sony Corporation Multiple DRM management
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JP5242927B2 (ja) * 2007-03-19 2013-07-24 Ｎｅｃパーソナルコンピュータ株式会社 コンテンツ配信装置
RU2358394C1 (ru) * 2007-08-14 2009-06-10 ВОЕННАЯ АКАДЕМИЯ СВЯЗИ Министерство обороны РФ Способ формирования и проверки заверенного цифровым водяным знаком электронного текстового сообщения
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Also Published As

Publication number Publication date
EP1040663A1 (en) 2000-10-04
KR100666438B1 (ko) 2007-01-09
PL341389A1 (en) 2001-04-09
TR200001921T2 (tr) 2000-12-21
HUP0101152A3 (en) 2003-04-28
BR9813618A (pt) 2000-10-17
JP2001527350A (ja) 2001-12-25
ZA9811812B (en) 1999-08-17
NO20003247D0 (no) 2000-06-21
EP0926894A1 (en) 1999-06-30
HRP20000331A2 (en) 2000-12-31
HUP0101152A2 (hu) 2001-07-30
AU1777099A (en) 1999-07-12
PL190503B1 (pl) 2005-12-30
CN1174619C (zh) 2004-11-03
WO1999033271A1 (en) 1999-07-01
CA2311488A1 (en) 1999-07-01
CN1285114A (zh) 2001-02-21
IL136955A0 (en) 2001-06-14
NO20003247L (no) 2000-08-23
RU2212770C2 (ru) 2003-09-20
KR20010033472A (ko) 2001-04-25

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