MX2009000619A - Metodo para la reproduccion de truco de datos multimedia en flujo y encriptados. - Google Patents

Metodo para la reproduccion de truco de datos multimedia en flujo y encriptados.

Info

Publication number
MX2009000619A
MX2009000619A MX2009000619A MX2009000619A MX2009000619A MX 2009000619 A MX2009000619 A MX 2009000619A MX 2009000619 A MX2009000619 A MX 2009000619A MX 2009000619 A MX2009000619 A MX 2009000619A MX 2009000619 A MX2009000619 A MX 2009000619A
Authority
MX
Mexico
Prior art keywords
transmission
unit
transmission end
transmission start
boundary
Prior art date
Application number
MX2009000619A
Other languages
English (en)
Inventor
Toshihiko Munetsugu
Original Assignee
Panasonic 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
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of MX2009000619A publication Critical patent/MX2009000619A/es

Links

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
    • H04N21/21—Server components or server architectures
    • 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
    • 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
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4437—Implementing a Virtual Machine [VM]
    • 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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

El aparato de transmisión de datos multimedia (101) de acuerdo con la presente invención incluye: una unidad de recepción de mensajes (4003) que recibe un mensaje de solicitud que incluye una posición solicitada de inicio de transmisión y una posición solicitada de fin de transmisión; una unidad de ajuste de posición de transmisión (4005) que lleva a acabo al menos uno de un primer proceso de ajuste para ajustar la posición de inicio de transmisión hasta una unidad de límite de encriptado inmediatamente adelante de la posición solicitada de inicio de transmisión o adelante del límite, y un segundo proceso de ajuste para ajustar la posición de fin de transmisión hasta una unidad de límite de encriptado inmediatamente detrás de la posición solicitada de fin de transmisión o detrás del límite; una unidad de transmisión de datos (4006) que transmite, a una terminal (102), datos multimedia a partir de la posición de inicio de transmisión ajustada hasta la posición de fin de transmisión ajustada, y primera información que indica la posición solicitada de inicio de transmisión y la posición solicitada de fin de transmisión dentro de los datos multimedia.
MX2009000619A 2007-01-11 2008-01-09 Metodo para la reproduccion de truco de datos multimedia en flujo y encriptados. MX2009000619A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88446007P 2007-01-11 2007-01-11
PCT/JP2008/050472 WO2008084876A1 (en) 2007-01-11 2008-01-09 Method for trick playing on streamed and encrypted multimedia

Publications (1)

Publication Number Publication Date
MX2009000619A true MX2009000619A (es) 2009-04-16

Family

ID=39311011

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009000619A MX2009000619A (es) 2007-01-11 2008-01-09 Metodo para la reproduccion de truco de datos multimedia en flujo y encriptados.

Country Status (4)

Country Link
US (1) US20080172712A1 (es)
CA (1) CA2656144A1 (es)
MX (1) MX2009000619A (es)
WO (1) WO2008084876A1 (es)

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US7139960B2 (en) 2003-10-06 2006-11-21 Digital Fountain, Inc. Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
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WO2006020826A2 (en) * 2004-08-11 2006-02-23 Digital Fountain, Inc. Method and apparatus for fast encoding of data symbols according to half-weight codes
WO2007095550A2 (en) 2006-02-13 2007-08-23 Digital Fountain, Inc. Streaming and buffering using variable fec overhead and protection periods
US9270414B2 (en) 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
WO2007134196A2 (en) 2006-05-10 2007-11-22 Digital Fountain, Inc. Code generator and decoder using hybrid codes
US9380096B2 (en) 2006-06-09 2016-06-28 Qualcomm Incorporated Enhanced block-request streaming system for handling low-latency streaming
US9386064B2 (en) 2006-06-09 2016-07-05 Qualcomm Incorporated Enhanced block-request streaming using URL templates and construction rules
US9419749B2 (en) 2009-08-19 2016-08-16 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
US20100211690A1 (en) * 2009-02-13 2010-08-19 Digital Fountain, Inc. Block partitioning for a data stream
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BRPI0816680A2 (pt) 2007-09-12 2015-03-17 Qualcomm Inc Gerar e comunicar informações de identificação de origem pra habilitar comunicações confiáveis.
WO2009093457A2 (en) * 2008-01-24 2009-07-30 Panasonic Corporation Multimedia data transmitting apparatus and multimedia data management method
US8811497B2 (en) * 2009-06-24 2014-08-19 Vixs Systems, Inc Processing system with register arbitration and methods for use therewith
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9288010B2 (en) 2009-08-19 2016-03-15 Qualcomm Incorporated Universal file delivery methods for providing unequal error protection and bundled file delivery services
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling
US20110096828A1 (en) * 2009-09-22 2011-04-28 Qualcomm Incorporated Enhanced block-request streaming using scalable encoding
US20110268427A1 (en) * 2010-04-30 2011-11-03 Brelay Herve Methods and apparatuses for a projected pvr experience
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US9049497B2 (en) 2010-06-29 2015-06-02 Qualcomm Incorporated Signaling random access points for streaming video data
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US9185439B2 (en) 2010-07-15 2015-11-10 Qualcomm Incorporated Signaling data for multiplexing video components
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US8806050B2 (en) 2010-08-10 2014-08-12 Qualcomm Incorporated Manifest file updates for network streaming of coded multimedia data
JP2014508439A (ja) * 2011-01-04 2014-04-03 トムソン ライセンシング Ｄｌｎａｄｍｓサービスを使用してチャンネルをリモートからチューニングするための方法および装置
US9270299B2 (en) 2011-02-11 2016-02-23 Qualcomm Incorporated Encoding and decoding using elastic codes with flexible source block mapping
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Also Published As

Publication number Publication date
US20080172712A1 (en) 2008-07-17
WO2008084876A1 (en) 2008-07-17
CA2656144A1 (en) 2008-07-17

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