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Time synchronization method, television and EPG (Electronic Program Guide) server

A time synchronization and server technology, applied in the field of communication, can solve problems such as program information mismatch

Active Publication Date: 2016-12-14
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the time of the smart TV is not synchronized with the system time of the program source server, the real-time code stream sent by the program source server to the smart TV will not correspond to the program information in the EPG information

Method used

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  • Time synchronization method, television and EPG (Electronic Program Guide) server
  • Time synchronization method, television and EPG (Electronic Program Guide) server
  • Time synchronization method, television and EPG (Electronic Program Guide) server

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] The carousel is the same set of programs with a certain time interval (such as 10 minutes) using multiple channels to play in a loop, and the user achieves the effect of forward and backward video on demand through channel selection. At present, the program information of the carousel function may come from multiple program source servers d...

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Abstract

The invention provides a time synchronization method, a television and an EPG (Electronic Program Guide) server. The method comprises the steps of receiving first EPG information sent by the EPG server, wherein the first EPG information comprises a first system time when the first EPG information is sent by the EPG server, and a first system time difference between the EPG server and a program source server; according to a first device time when a television requests the EPG server for the first EPG information and a second device time when the television receives the first EPG information, and determining a second system time difference between the television and the EPG server; and according to the first system time, the first system time difference and the second system time difference, realizing time synchronization between the television and the program source server. According to the time synchronization method, the television and the EPG server provided by the invention, the time synchronization between the television and the program source server is realized.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a time synchronization method, a television and an EPG server. Background technique [0002] At present, there are more and more types of programs that can be played by smart TVs, including live TV programs from traditional signal sources and program resources in the network. Therefore, the user has more and more options for the television programs to be watched. The programs of the network carousel channel may come from multiple program source servers distributed in different geographical regions. [0003] In the prior art, the smart TV can periodically obtain EPG information from the Electronic Program Guide (EPG) server side, and then play the channel selected by the user according to the EPG information. The source server obtains the video code stream. The EPG information on the EPG server side is EPG information in a unified format that is formed by rearranging and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/242H04N21/43
CPCH04N21/242H04N21/4305
Inventor 宋虎
Owner HISENSE VISUAL TECH CO LTD
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