MXPA04001917A - Contador de secuencia para una corriente audio-visual. - Google Patents

Contador de secuencia para una corriente audio-visual.

Info

Publication number
MXPA04001917A
MXPA04001917A MXPA04001917A MXPA04001917A MXPA04001917A MX PA04001917 A MXPA04001917 A MX PA04001917A MX PA04001917 A MXPA04001917 A MX PA04001917A MX PA04001917 A MXPA04001917 A MX PA04001917A MX PA04001917 A MXPA04001917 A MX PA04001917A
Authority
MX
Mexico
Prior art keywords
sequence counter
audio visual
visual stream
source device
values
Prior art date
Application number
MXPA04001917A
Other languages
English (en)
Inventor
Jay Duffield David
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA04001917A publication Critical patent/MXPA04001917A/es

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]
    • H04N21/40—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]
    • H04N21/20—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • 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
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Amplifiers (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Un sistema de acceso condicionado y un metodo que incluye un primer dispositivo fuente y un primer dispositivo de deposito acoplado con el primer dispositivo fuente, en donde el dispositivo fuente incluye un modulo para generar valores contadores de secuencia y adjuntar los valores al contenido transmitido desde el dispositivo fuente al dispositivo de deposito.
MXPA04001917A 2001-08-31 2002-06-28 Contador de secuencia para una corriente audio-visual. MXPA04001917A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31637301P 2001-08-31 2001-08-31
PCT/US2002/020503 WO2003021959A1 (en) 2001-08-31 2002-06-28 Sequence counter for an audio visual stream

Publications (1)

Publication Number Publication Date
MXPA04001917A true MXPA04001917A (es) 2004-06-15

Family

ID=23228777

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04001917A MXPA04001917A (es) 2001-08-31 2002-06-28 Contador de secuencia para una corriente audio-visual.

Country Status (8)

Country Link
US (1) US7551837B2 (es)
EP (1) EP1423976A1 (es)
JP (1) JP4714413B2 (es)
KR (1) KR100871648B1 (es)
CN (1) CN100469131C (es)
IL (1) IL160080A0 (es)
MX (1) MXPA04001917A (es)
WO (1) WO2003021959A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE495628T1 (de) * 2000-10-15 2011-01-15 Directv Group Inc Verfahren und system zum werben während einer pause
EP1688944A1 (en) * 2005-02-02 2006-08-09 Thomson Licensing Distinguishing between live content and recorded content
EP1990971A3 (en) 2007-05-11 2009-01-21 Thomson Licensing Protecting live content in a network
EP3044877B1 (en) 2013-09-12 2021-03-31 Dolby Laboratories Licensing Corporation System aspects of an audio codec
FR3053497B1 (fr) * 2016-06-29 2019-09-13 4T Sa Procede de renforcement de la securite d'un systeme de television a peage a base de retro-communication periodique obligatoire
US11908452B1 (en) * 2021-05-20 2024-02-20 Amazon Technologies, Inc. Alternative input representations for speech inputs

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Also Published As

Publication number Publication date
IL160080A0 (en) 2004-06-20
US7551837B2 (en) 2009-06-23
CN100469131C (zh) 2009-03-11
US20040233811A1 (en) 2004-11-25
JP4714413B2 (ja) 2011-06-29
CN1550106A (zh) 2004-11-24
WO2003021959A1 (en) 2003-03-13
EP1423976A1 (en) 2004-06-02
JP2005502283A (ja) 2005-01-20
KR20040030128A (ko) 2004-04-08
KR100871648B1 (ko) 2008-12-03

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