JP3931869B2 - 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム - Google Patents

情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム Download PDF

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Publication number
JP3931869B2
JP3931869B2 JP2003337665A JP2003337665A JP3931869B2 JP 3931869 B2 JP3931869 B2 JP 3931869B2 JP 2003337665 A JP2003337665 A JP 2003337665A JP 2003337665 A JP2003337665 A JP 2003337665A JP 3931869 B2 JP3931869 B2 JP 3931869B2
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JP
Japan
Prior art keywords
content
unit
information
key
playback
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.)
Expired - Fee Related
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JP2003337665A
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English (en)
Japanese (ja)
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JP2005092830A (ja
Inventor
芳和 高島
智之 浅野
聡 木谷
克美 村松
潤 米満
健二朗 上田
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Sony Corp
Original Assignee
Sony Corp
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
Priority to JP2003337665A priority Critical patent/JP3931869B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority to PCT/JP2004/011476 priority patent/WO2005017756A1/ja
Priority to US10/567,505 priority patent/US8261096B2/en
Priority to AU2004265804A priority patent/AU2004265804B2/en
Priority to RU2006104558/09A priority patent/RU2376628C2/ru
Priority to EP04771463.9A priority patent/EP1655668A4/en
Priority to BRPI0413537-7A priority patent/BRPI0413537A/pt
Priority to MXPA06001679A priority patent/MXPA06001679A/es
Priority to HK06113624.1A priority patent/HK1092903B/xx
Priority to KR1020067002863A priority patent/KR101097402B1/ko
Publication of JP2005092830A publication Critical patent/JP2005092830A/ja
Application granted granted Critical
Publication of JP3931869B2 publication Critical patent/JP3931869B2/ja
Priority to IN1977DEN2012 priority patent/IN2012DN01977A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • 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
    • H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
    • 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
    • H04N21/25816—Management of client data involving client authentication
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
    • 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
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex 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
    • H04N21/43—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 programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • 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
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
JP2003337665A 2003-08-14 2003-09-29 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム Expired - Fee Related JP3931869B2 (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP2003337665A JP3931869B2 (ja) 2003-08-14 2003-09-29 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
HK06113624.1A HK1092903B (en) 2003-08-14 2004-08-10 Information processing device and information processing method
AU2004265804A AU2004265804B2 (en) 2003-08-14 2004-08-10 Information processing device, information recording medium, information processing method, and computer program
RU2006104558/09A RU2376628C2 (ru) 2003-08-14 2004-08-10 Устройство обработки информации, носитель записи информации, способ обработки информации и компьютерная программа
EP04771463.9A EP1655668A4 (en) 2003-08-14 2004-08-10 INFORMATION PROCESSING DEVICE, INFORMATION RECORDING MEDIUM, INFORMATION PROCESSING METHOD AND COMPUTER PROGRAM
BRPI0413537-7A BRPI0413537A (pt) 2003-08-14 2004-08-10 meio de gravação de informação, aparelho e método de processamento de informação, programa de computador, e, servidor
PCT/JP2004/011476 WO2005017756A1 (ja) 2003-08-14 2004-08-10 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
US10/567,505 US8261096B2 (en) 2003-08-14 2004-08-10 Information processing apparatus, information recording medium, information processing method, and computer program
KR1020067002863A KR101097402B1 (ko) 2003-08-14 2004-08-10 정보 처리 장치, 정보 기록 매체 및 정보 처리 방법과 컴퓨터 프로그램을 기록한 컴퓨터 판독가능한 기록매체
MXPA06001679A MXPA06001679A (es) 2003-08-14 2004-08-10 Dispositivo para procesamiento de informacion, medio de grabacion de informacion, metodo para procesamiento de informacion y programa de computadora.
IN1977DEN2012 IN2012DN01977A (enExample) 2003-08-14 2010-08-10

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003293308 2003-08-14
JP2003337665A JP3931869B2 (ja) 2003-08-14 2003-09-29 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006088275A Division JP4438764B2 (ja) 2003-08-14 2006-03-28 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム

Publications (2)

Publication Number Publication Date
JP2005092830A JP2005092830A (ja) 2005-04-07
JP3931869B2 true JP3931869B2 (ja) 2007-06-20

Family

ID=34197146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003337665A Expired - Fee Related JP3931869B2 (ja) 2003-08-14 2003-09-29 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム

Country Status (10)

Country Link
US (1) US8261096B2 (enExample)
EP (1) EP1655668A4 (enExample)
JP (1) JP3931869B2 (enExample)
KR (1) KR101097402B1 (enExample)
AU (1) AU2004265804B2 (enExample)
BR (1) BRPI0413537A (enExample)
IN (1) IN2012DN01977A (enExample)
MX (1) MXPA06001679A (enExample)
RU (1) RU2376628C2 (enExample)
WO (1) WO2005017756A1 (enExample)

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US20060227973A1 (en) 2006-10-12
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