Method, device and system for broadcasting subtitles

A technology of subtitles and system time, which is applied to TV system components, cathode ray tube indicators, TVs, etc., and can solve problems such as screen display delay, aggressiveness, and subtitle unit display tearing

Active Publication Date: 2012-09-12
GUANGDONG VTRON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the above-mentioned broadcasting form, when the computing power of one of the multiple node machines does not meet the specified frame rate and the subtitle step size of each frame, or the computing power of a certain node machine suddenly increases, it will appear that the node machine is under the control of the node machine. Latency or aggressiveness of screen display, resulting in subtitle cell display tearing issues

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  • Method, device and system for broadcasting subtitles
  • Method, device and system for broadcasting subtitles
  • Method, device and system for broadcasting subtitles

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0049] Before proceeding to the description of the embodiment, it needs to be clear that, in order to clarify the illustration, the subtitle processing method in this description will mainly be described using a distributed display platform as an application scenario. The distributed display platform is an upper-level server and several It consists of lower node machines, and is completed by the cooperation of each of the node machines. The existing node machines re...

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Abstract

The embodiment of the invention discloses a method for broadcasting subtitles. The method comprises the following steps of receiving a subtitle broadcasting order, wherein the broadcasting order contains broadcast subtitle information; acquiring starting physical coordinate information of the subtitle broadcasting in a display screen and marking the starting physical coordinate information as first physical coordinate information; marking first physical coordinate information of an administrated screen in the display screen as second physical coordinate information; establishing correlation of the physical coordinate information of the broadcasting subtitles in the administrated screen and the second physical coordinate information according to the first physical coordinate information and the broadcasting subtitle information; and rendering the broadcasting subtitles time by time at a designated rendering speed under the correlation instruction, wherein the beginning time of each rendering is the acquired existing central processing unit (CPU) system time. According to the embodiment, frames utilized by different node computers are unnecessary to synchronize, each node computer is allowed to be rendered by different frame frequencies, so that the splitting problem of the display of a subtitle unit utilizing the frame synchronizing technology in the prior art can be overcome.

Description

technical field [0001] The present invention relates to the technical field of subtitle display, and more specifically, relates to a subtitle broadcasting method, device and system. Background technique [0002] Subtitle broadcast is a modern subtitle processing technology applied in publicity, identification and display. Subtitle broadcast needs to rely on the subtitle data processing of the lower client, and display the subtitle content to the viewer on the carrier of LED display. Take the distributed display platform as an example to illustrate : The distributed display platform is a system that uses multiple node machines as display output devices, and each node machine cooperates to output the specified number of words and fonts. The upper server receives the display request, and the lower client outputs the subtitle unit to be displayed as a whole to the display screen according to the display request. After the subtitle unit is output, it will span multiple screens in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/22G09G5/32H04N5/278
Inventor 吴炜彬蔡才冠
Owner GUANGDONG VTRON TECH CO LTD
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