JP4792965B2 - 記録再生装置および記録再生方法 - Google Patents

記録再生装置および記録再生方法 Download PDF

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Publication number
JP4792965B2
JP4792965B2 JP2005371299A JP2005371299A JP4792965B2 JP 4792965 B2 JP4792965 B2 JP 4792965B2 JP 2005371299 A JP2005371299 A JP 2005371299A JP 2005371299 A JP2005371299 A JP 2005371299A JP 4792965 B2 JP4792965 B2 JP 4792965B2
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JP
Japan
Prior art keywords
circuit
recording
recording medium
encryption
video
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Active
Application number
JP2005371299A
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English (en)
Japanese (ja)
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JP2007174448A (ja
JP2007174448A5 (enExample
Inventor
敬治 野口
晃 柴田
茂 小松
敦史 小川
五郎 梅田
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2005371299A priority Critical patent/JP4792965B2/ja
Priority to US11/517,554 priority patent/US20070147609A1/en
Priority to CN201210135488.XA priority patent/CN102682812B/zh
Priority to CNA2006101427476A priority patent/CN1992866A/zh
Publication of JP2007174448A publication Critical patent/JP2007174448A/ja
Publication of JP2007174448A5 publication Critical patent/JP2007174448A5/ja
Application granted granted Critical
Publication of JP4792965B2 publication Critical patent/JP4792965B2/ja
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
    • 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
    • H04N21/25—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
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • 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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25841—Management of client data involving the geographical location of the client
    • 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
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Graphics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
JP2005371299A 2005-12-26 2005-12-26 記録再生装置および記録再生方法 Active JP4792965B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005371299A JP4792965B2 (ja) 2005-12-26 2005-12-26 記録再生装置および記録再生方法
US11/517,554 US20070147609A1 (en) 2005-12-26 2006-09-08 Information processing method and information processing apparatus
CN201210135488.XA CN102682812B (zh) 2005-12-26 2006-10-30 记录再现装置和记录再现方法、记录装置和记录方法
CNA2006101427476A CN1992866A (zh) 2005-12-26 2006-10-30 信息处理方法和信息处理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005371299A JP4792965B2 (ja) 2005-12-26 2005-12-26 記録再生装置および記録再生方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010098390A Division JP5035384B2 (ja) 2010-04-22 2010-04-22 映像音声情報記録装置及び映像音声情報記録装置における記録方法

Publications (3)

Publication Number Publication Date
JP2007174448A JP2007174448A (ja) 2007-07-05
JP2007174448A5 JP2007174448A5 (enExample) 2010-11-11
JP4792965B2 true JP4792965B2 (ja) 2011-10-12

Family

ID=38193753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005371299A Active JP4792965B2 (ja) 2005-12-26 2005-12-26 記録再生装置および記録再生方法

Country Status (3)

Country Link
US (1) US20070147609A1 (enExample)
JP (1) JP4792965B2 (enExample)
CN (2) CN1992866A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006024320A (ja) * 2004-07-09 2006-01-26 Pioneer Electronic Corp 情報記録装置及び方法、情報再生装置及び方法、情報記録再生装置及び方法、並びにコンピュータプログラム
JP2009071558A (ja) * 2007-09-13 2009-04-02 Hitachi Ltd 表示装置
JP5358931B2 (ja) * 2007-11-28 2013-12-04 ソニー株式会社 送信装置及び受信装置
JP5303988B2 (ja) * 2008-03-27 2013-10-02 株式会社リコー 暗号機能を搭載可能な装置及び暗号機能利用制限方法
JP5401490B2 (ja) * 2011-02-28 2014-01-29 京セラドキュメントソリューションズ株式会社 画像形成装置
JP6323811B2 (ja) * 2013-03-15 2018-05-16 パナソニックＩｐマネジメント株式会社 コンテンツ配信方法及びソース機器
CN106534154B (zh) * 2016-11-30 2019-09-13 Oppo广东移动通信有限公司 一种信息加密方法、装置及终端
CN107295405A (zh) * 2017-07-14 2017-10-24 深圳市海云天科技股份有限公司 一种视频浏览记录的压缩方法和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH103745A (ja) * 1996-06-12 1998-01-06 Sony Corp 記録媒体、デジタルコピー管理方法、再生装置、及び記録装置
US5907620A (en) * 1996-08-23 1999-05-25 Cheyenne Property Trust Method and apparatus for enforcing the use of cryptography in an international cryptography framework
WO2000005716A1 (en) * 1998-07-22 2000-02-03 Matsushita Electric Industrial Co., Ltd. Digital data recording device and method for protecting copyright and easily reproducing encrypted digital data and computer readable recording medium recording program
EP1156486B1 (en) * 2000-04-20 2016-04-06 Hitachi Maxell, Ltd. Digital signal recording/reproducing apparatus, receiving apparatus and transmitting method
US7206765B2 (en) * 2001-01-17 2007-04-17 Contentguard Holdings, Inc. System and method for supplying and managing usage rights based on rules
JP2004110309A (ja) * 2002-09-17 2004-04-08 Victor Co Of Japan Ltd データコピー及びムーブ処理装置並びにデータコピー及びムーブ処理方法
JP4580871B2 (ja) * 2003-12-11 2010-11-17 パナソニック株式会社 パケット送信装置

Also Published As

Publication number Publication date
CN1992866A (zh) 2007-07-04
US20070147609A1 (en) 2007-06-28
JP2007174448A (ja) 2007-07-05
CN102682812A (zh) 2012-09-19
CN102682812B (zh) 2015-09-09

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