WO2005060258A3 - コンテンツ配信システム及び配信方法、並びにコンテンツ処理装置及び処理方法 - Google Patents

コンテンツ配信システム及び配信方法、並びにコンテンツ処理装置及び処理方法 Download PDF

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Publication number
WO2005060258A3
WO2005060258A3 PCT/JP2004/018162 JP2004018162W WO2005060258A3 WO 2005060258 A3 WO2005060258 A3 WO 2005060258A3 JP 2004018162 W JP2004018162 W JP 2004018162W WO 2005060258 A3 WO2005060258 A3 WO 2005060258A3
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WO
WIPO (PCT)
Prior art keywords
license
content
sub
distribution
distribution system
Prior art date
Application number
PCT/JP2004/018162
Other languages
English (en)
French (fr)
Other versions
WO2005060258A2 (ja
Inventor
Naohisa Kitazato
Masami Yamashita
Katsumi Tokuda
Hiroki Murakami
Masaya Yamamoto
Kouji Miura
Original Assignee
Sony Corp
Matsushita Electric Ind Co Ltd
Naohisa Kitazato
Masami Yamashita
Katsumi Tokuda
Hiroki Murakami
Masaya Yamamoto
Kouji Miura
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 Sony Corp, Matsushita Electric Ind Co Ltd, Naohisa Kitazato, Masami Yamashita, Katsumi Tokuda, Hiroki Murakami, Masaya Yamamoto, Kouji Miura filed Critical Sony Corp
Priority to EP04820520A priority Critical patent/EP1691552A2/en
Priority to US10/581,676 priority patent/US20070130068A1/en
Publication of WO2005060258A2 publication Critical patent/WO2005060258A2/ja
Publication of WO2005060258A3 publication Critical patent/WO2005060258A3/ja

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
    • H04N21/234—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]
    • H04N21/80—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
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • 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
    • H04N21/266—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
    • H04N21/45—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 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • 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 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting
    • 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
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8549—Creating video summaries, e.g. movie trailer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)

Abstract

　本発明は、マルチキャスト方式を適用したインターネットを介するコンテンツの配信システムであり、ＥＣＭ（Entitlement Control Message）本体の各サブライセンスに関する情報は、サブライセンスの識別情報であるライセンスＩＤ、サブライセンスがプレビュー用又は本視聴用であるかの区別を示すタイプ情報、及びサブライセンスのライセンス部における格納位置（ＥＣＭ本体の先頭からバイト数）を示すロケーションから構成される。ライセンス部には、サブライセンスが格納される。
PCT/JP2004/018162 2003-12-05 2004-12-06 コンテンツ配信システム及び配信方法、並びにコンテンツ処理装置及び処理方法 WO2005060258A2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04820520A EP1691552A2 (en) 2003-12-05 2004-12-06 Content distribution system and distribution method, and content processing device and processing method
US10/581,676 US20070130068A1 (en) 2003-12-05 2004-12-06 Content delivery system and method, and content processing apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-407454 2003-12-05
JP2003407454A JP2005167914A (ja) 2003-12-05 2003-12-05 コンテンツ配信システム、コンテンツ配信方法、コンテンツ処理装置および方法、コンテンツ供給装置および方法、記録媒体、並びにプログラム

Publications (2)

Publication Number Publication Date
WO2005060258A2 WO2005060258A2 (ja) 2005-06-30
WO2005060258A3 true WO2005060258A3 (ja) 2005-10-06

Family

ID=34696807

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/018162 WO2005060258A2 (ja) 2003-12-05 2004-12-06 コンテンツ配信システム及び配信方法、並びにコンテンツ処理装置及び処理方法

Country Status (6)

Country Link
US (1) US20070130068A1 (ja)
EP (1) EP1691552A2 (ja)
JP (1) JP2005167914A (ja)
KR (1) KR20060128881A (ja)
CN (1) CN1890976A (ja)
WO (1) WO2005060258A2 (ja)

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Also Published As

Publication number Publication date
WO2005060258A2 (ja) 2005-06-30
CN1890976A (zh) 2007-01-03
EP1691552A2 (en) 2006-08-16
KR20060128881A (ko) 2006-12-14
US20070130068A1 (en) 2007-06-07
JP2005167914A (ja) 2005-06-23

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