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Method for transmitting instant television service on digital video broadcasting network

A technology for digital video broadcasting and television services, applied in digital transmission systems, data exchange networks, components of color TVs, etc., can solve the problems that cannot reflect user preferences, events cannot be well reflected, and changes in program time or channels. can not be dealt with, etc.

Inactive Publication Date: 2010-04-21
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are certain restrictions on using the concept of events. Events cannot well reflect the current broadcasting habits in China, cannot reflect the user's preferences, and cannot handle changes in program time or channels.

Method used

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  • Method for transmitting instant television service on digital video broadcasting network
  • Method for transmitting instant television service on digital video broadcasting network

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Embodiment Construction

[0017] The foregoing and other technical contents, features and effects of the present invention will be more clearly described through the following detailed description of preferred embodiments with reference to the accompanying drawings.

[0018] For the sake of clarity, the main content of TV-Anytime will be described first below.

[0019] The main contents of TV-Anytime include metadata, program reference, CRID, and location resolution.

[0020] Metadata defines descriptions of programs, program groups, and television listings. Metadata mainly includes instance description metadata and content description metadata. The former contains schedule information (but no description of content) of published programs, the actual program schedule may vary; the latter gives descriptive information about the programs.

[0021] Program reference CRIDs provide content for programs and program groups in a time- and channel-independent manner. The program description is linked to its ...

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Abstract

The method to transmit TV-Anytime service on DVB network comprises steps: dividing the TV-Anytime into data container and its initialization information; packaging said information in initialization descriptor of TV-Anytime; according to basic flow of carried count container and other information, generating TP descriptor based on transmission mechanism; storing said initialization descriptor andTP descriptor into subtable of SDT or user new-built table, and transmitting to receiver with network; and transmitting the said data container to receiver by said transmission mechanism.

Description

technical field [0001] The present invention relates to a method of transmitting TV Anytime service over a digital video broadcasting network. In particular, a method capable of combining television with the Internet to realize instant program on demand. Background technique [0002] Digital Video Broadcasting (DVB) is a general term for a set of digital television standards developed in Europe. It transmits audio and video data based on the MPEG2 compression standard, and adds its own extensions to it. DVB provides standards for transmission protocols from the digital TV broadcasting system side, set-top box side, and between the two. It mainly includes satellite TV standard DVB-S, cable TV standard DVB-C, and terrestrial wireless TV standard DVB-T. In addition, DVB also includes an interactive platform standard based on digital television, namely, Multimedia Home Platform (MHP). Currently, DVB is the most widely used digital television standard in the world. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/24H04L29/06H04N7/173H04L12/00H04N5/44H04N21/235H04N21/236
Inventor 王国夫
Owner PANASONIC CORP