KR101020523B1 - 암호화된 비디오 정보의 생성 - Google Patents

암호화된 비디오 정보의 생성 Download PDF

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Publication number
KR101020523B1
KR101020523B1 KR1020057014760A KR20057014760A KR101020523B1 KR 101020523 B1 KR101020523 B1 KR 101020523B1 KR 1020057014760 A KR1020057014760 A KR 1020057014760A KR 20057014760 A KR20057014760 A KR 20057014760A KR 101020523 B1 KR101020523 B1 KR 101020523B1
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South Korea
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stream
frames
video frames
items
control word
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Expired - Fee Related
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KR1020057014760A
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Korean (ko)
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KR20050097997A (ko
Inventor
스조에르드 즈와르트
피에테르 젤레 제르브란드트스
톰 칸
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아이피지 일렉트로닉스 503 리미티드
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    • 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]
    • H04N21/40—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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • 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 or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
KR1020057014760A 2003-02-10 2004-01-20 암호화된 비디오 정보의 생성 Expired - Fee Related KR101020523B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03100264 2003-02-10
EP03100264.5 2003-02-10

Publications (2)

Publication Number Publication Date
KR20050097997A KR20050097997A (ko) 2005-10-10
KR101020523B1 true KR101020523B1 (ko) 2011-03-09

Family

ID=32842824

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057014760A Expired - Fee Related KR101020523B1 (ko) 2003-02-10 2004-01-20 암호화된 비디오 정보의 생성

Country Status (8)

Country Link
US (1) US7681227B2 (enExample)
EP (1) EP1602235B1 (enExample)
JP (1) JP2006518959A (enExample)
KR (1) KR101020523B1 (enExample)
CN (1) CN1748423A (enExample)
AT (1) ATE406046T1 (enExample)
DE (1) DE602004015946D1 (enExample)
WO (1) WO2004071091A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6766376B2 (en) 2000-09-12 2004-07-20 Sn Acquisition, L.L.C Streaming media buffering system
US20080212774A1 (en) * 2005-04-26 2008-09-04 Koninklijke Philips Electronics, N.V. Device for and a Method of Processing an Encrypted Data Stream in a Cryptographic System
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
EP1742473A1 (fr) * 2005-07-06 2007-01-10 Nagra France Sarl Méthode de transmission d'un flux de données numériques et de messages de contrôle associés audit flux à destination d'équipements mobiles
EP1742475A1 (fr) 2005-07-07 2007-01-10 Nagravision S.A. Méthode de contrôle d'accès à des données chiffrées
EP1742474A1 (fr) * 2005-07-07 2007-01-10 Nagracard S.A. Méthode et dispositif de contrôle d'accès à des données chiffrées
US20070019925A1 (en) * 2005-07-21 2007-01-25 Macinnis Alexander Systems, methods, and apparatus for trick mode
DE102005057568B4 (de) * 2005-12-02 2021-06-17 Robert Bosch Gmbh Sendeeinrichtung und Empfangseinrichtung
US9338405B2 (en) 2006-05-04 2016-05-10 Cisco Technology, Inc. Scrambled digital data item
EP1863285A1 (fr) 2006-05-29 2007-12-05 Nagra France Sas Procédé de traitement de messages de contrôle d'accès
US20080037782A1 (en) * 2006-08-11 2008-02-14 Widevine Technologies, Inc. Reduction of channel change time for digital media devices using key management and virtual smart cards
US7929698B2 (en) * 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
CN101132408B (zh) * 2007-08-16 2010-07-21 华为技术有限公司 流媒体内容的处理方法、设备及系统
US7961878B2 (en) 2007-10-15 2011-06-14 Adobe Systems Incorporated Imparting cryptographic information in network communications
FR2961364B1 (fr) * 2010-06-15 2012-08-17 Logiways France Procede et systeme de protection d'informations par un mot de controle
US8687807B2 (en) * 2011-01-26 2014-04-01 Nagrastar, L.L.C. Cascading dynamic crypto periods
US10045040B2 (en) * 2016-04-03 2018-08-07 Cisco Technology, Inc. Interleaved watermarking

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07169243A (ja) * 1994-10-12 1995-07-04 Shinwa Kk 記録再生ディスクの記録再生装置
JPH08340541A (ja) * 1995-06-12 1996-12-24 Sony Corp デジタルデータの伝送方法、伝送装置、記録方法、記録装置、再生方法、再生装置、記録再生方法及び記録再生装置
WO2002001578A1 (en) 2000-06-29 2002-01-03 Penn State Research Foundation Bismuth pyrochlore microwave dielectric materials
KR100901826B1 (ko) 2000-08-11 2009-06-09 엔디에스 리미티드 암호화된 미디어 콘텐트 송신 방법 및 장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131762A (en) * 1977-05-16 1978-12-26 Bell Telephone Laboratories, Incorporated Buffer storage assignment arrangement for time-division switching systems
US5842033A (en) * 1992-06-30 1998-11-24 Discovision Associates Padding apparatus for passing an arbitrary number of bits through a buffer in a pipeline system
US5920572A (en) * 1995-06-30 1999-07-06 Divicom Inc. Transport stream decoder/demultiplexer for hierarchically organized audio-video streams
KR0186210B1 (ko) * 1995-11-10 1999-04-15 구자홍 디지탈 데이터의 저작권 보호와 변속 재생을 위한 자기 기록 테이프의 기록방법
US6148082A (en) * 1998-01-14 2000-11-14 Skystream Corporation Scrambling and descrambling control word control in a remultiplexer for video bearing transport streams
JP2001024994A (ja) * 1999-07-07 2001-01-26 Matsushita Electric Ind Co Ltd 送信装置、受信装置、記録装置及びプログラム記録媒体
US7239702B1 (en) * 1999-08-20 2007-07-03 Sony Corporation Information recording/reproducing device
DE60040724D1 (de) 2000-04-07 2008-12-18 Irdeto Access Bv Datenverschlüsselungs und -entschlüsselungssystem
FI20002608A7 (fi) * 2000-11-28 2002-05-29 Nokia Corp Päästä-päähän -tahdistuksen ylläpitäminen tietoliikenneyhteydellä
US20020116705A1 (en) * 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing conditional access data
US7486793B2 (en) * 2002-02-15 2009-02-03 Nagracard S.A. Invoicing management method of a service transmitted per time unit
JP2003324699A (ja) * 2002-05-01 2003-11-14 Fujitsu Ltd Ｍｐｅｇストリーム加工方法及び装置
WO2003107666A1 (en) * 2002-06-12 2003-12-24 Koninklijke Philips Electronics N.V. Trick play of an encrypted video stream
JP2006513591A (ja) 2002-06-12 2006-04-20 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 条件付アクセス装置における暗号化されたデータのトリックプレイ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07169243A (ja) * 1994-10-12 1995-07-04 Shinwa Kk 記録再生ディスクの記録再生装置
JPH08340541A (ja) * 1995-06-12 1996-12-24 Sony Corp デジタルデータの伝送方法、伝送装置、記録方法、記録装置、再生方法、再生装置、記録再生方法及び記録再生装置
WO2002001578A1 (en) 2000-06-29 2002-01-03 Penn State Research Foundation Bismuth pyrochlore microwave dielectric materials
KR100901826B1 (ko) 2000-08-11 2009-06-09 엔디에스 리미티드 암호화된 미디어 콘텐트 송신 방법 및 장치

Also Published As

Publication number Publication date
EP1602235B1 (en) 2008-08-20
CN1748423A (zh) 2006-03-15
WO2004071091A1 (en) 2004-08-19
KR20050097997A (ko) 2005-10-10
US20060188094A1 (en) 2006-08-24
US7681227B2 (en) 2010-03-16
DE602004015946D1 (de) 2008-10-02
JP2006518959A (ja) 2006-08-17
EP1602235A1 (en) 2005-12-07
ATE406046T1 (de) 2008-09-15

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