FR2951891B1 - Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes - Google Patents

Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes

Info

Publication number
FR2951891B1
FR2951891B1 FR0957438A FR0957438A FR2951891B1 FR 2951891 B1 FR2951891 B1 FR 2951891B1 FR 0957438 A FR0957438 A FR 0957438A FR 0957438 A FR0957438 A FR 0957438A FR 2951891 B1 FR2951891 B1 FR 2951891B1
Authority
FR
France
Prior art keywords
methods
transmitting
recording medium
receiving image
transforming module
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.)
Active
Application number
FR0957438A
Other languages
English (en)
Other versions
FR2951891A1 (fr
Inventor
Emmanuel Pira
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.)
Viaccess SAS
Original Assignee
Viaccess SAS
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 Viaccess SAS filed Critical Viaccess SAS
Priority to FR0957438A priority Critical patent/FR2951891B1/fr
Priority to RU2012120849/08A priority patent/RU2513907C2/ru
Priority to EP10766292A priority patent/EP2491714A1/fr
Priority to CN201080045821.7A priority patent/CN102687519B/zh
Priority to PCT/EP2010/065792 priority patent/WO2011048142A1/fr
Priority to TW99136222A priority patent/TWI415464B/zh
Publication of FR2951891A1 publication Critical patent/FR2951891A1/fr
Application granted granted Critical
Publication of FR2951891B1 publication Critical patent/FR2951891B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus

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 Signal Processing For Recording (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Paper (AREA)
FR0957438A 2009-10-22 2009-10-22 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes Active FR2951891B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0957438A FR2951891B1 (fr) 2009-10-22 2009-10-22 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes
RU2012120849/08A RU2513907C2 (ru) 2009-10-22 2010-10-20 Способы передачи и приема потоков изображений, носитель информации, передающее устройство, модуль преобразования для этих способов
EP10766292A EP2491714A1 (fr) 2009-10-22 2010-10-20 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes
CN201080045821.7A CN102687519B (zh) 2009-10-22 2010-10-20 影像流的接收与传送方法、记录媒体、传送装置及反转模块
PCT/EP2010/065792 WO2011048142A1 (fr) 2009-10-22 2010-10-20 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes
TW99136222A TWI415464B (zh) 2009-10-22 2010-10-22 影像串流之傳送與接收方法以及用於該方法之紀錄媒體、傳送裝置以及轉換模組

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957438A FR2951891B1 (fr) 2009-10-22 2009-10-22 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes

Publications (2)

Publication Number Publication Date
FR2951891A1 FR2951891A1 (fr) 2011-04-29
FR2951891B1 true FR2951891B1 (fr) 2011-12-30

Family

ID=42331698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957438A Active FR2951891B1 (fr) 2009-10-22 2009-10-22 Procedes d'emission et de reception de flux d'images, support d'enregistrement, dispositif d'emission, module de transformation pour ces procedes

Country Status (6)

Country Link
EP (1) EP2491714A1 (fr)
CN (1) CN102687519B (fr)
FR (1) FR2951891B1 (fr)
RU (1) RU2513907C2 (fr)
TW (1) TWI415464B (fr)
WO (1) WO2011048142A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3024007B1 (fr) 2014-07-16 2016-08-26 Viaccess Sa Procede d'acces a un contenu multimedia protege par un terminal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2122295C1 (ru) * 1994-04-29 1998-11-20 Виктор Павлович Дворкович Способ покадрового сжатия изображений
US5999189A (en) * 1995-08-04 1999-12-07 Microsoft Corporation Image compression to reduce pixel and texture memory requirements in a real-time image generator
US6570990B1 (en) * 1998-11-13 2003-05-27 Lsi Logic Corporation Method of protecting high definition video signal
US6795583B1 (en) * 1999-11-24 2004-09-21 General Electric Company Image data compression employing embedded compression and decompression codes
US6674374B1 (en) * 2003-01-25 2004-01-06 Unisys Corporation Data compressor utilizing switched input coincidence elements
RU2304808C1 (ru) * 2004-12-02 2007-08-20 Кэнон Кабусики Кайся Устройство формирования изображения и способ управления этим устройством
WO2008090793A1 (fr) * 2007-01-22 2008-07-31 Nec Corporation Dispositif, procédé et programme de recodage d'image
CN101345871B (zh) * 2007-03-08 2012-01-04 瑞昱半导体股份有限公司 视频编解码的方法及其装置
JP4803085B2 (ja) * 2007-03-26 2011-10-26 日本電気株式会社 通信装置、通信制御システム、通信制御方法及び通信制御プログラム

Also Published As

Publication number Publication date
TW201130307A (en) 2011-09-01
CN102687519A (zh) 2012-09-19
WO2011048142A1 (fr) 2011-04-28
TWI415464B (zh) 2013-11-11
FR2951891A1 (fr) 2011-04-29
RU2513907C2 (ru) 2014-04-20
CN102687519B (zh) 2016-03-23
RU2012120849A (ru) 2013-11-27
EP2491714A1 (fr) 2012-08-29

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