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Digital television roll title display method based on GIF (Graphic Interchange Format) image files

A technology for image files and scrolling subtitles, applied in image communication, electrical components, selective content distribution, etc., can solve the problems of limited subtitle display effect and small storage capacity, and achieve the effect of fast terminal decoding and high efficiency

Inactive Publication Date: 2011-11-16
WUHAN DONGTAI INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increasing popularity and development of digital TV set-top boxes, users have higher and higher requirements for displaying scrolling subtitles when using set-top boxes to play TV programs; at present, displaying scrolling subtitles in text format not only has a small storage capacity, but also supports subtitle display effects Limited; GIF image file data is compressed, can support multiple color images, and terminal decoding is fast, almost all software supports it, and a large number of software in the public domain are using GIF image files

Method used

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  • Digital television roll title display method based on GIF (Graphic Interchange Format) image files
  • Digital television roll title display method based on GIF (Graphic Interchange Format) image files
  • Digital television roll title display method based on GIF (Graphic Interchange Format) image files

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Embodiment Construction

[0015] The present invention will be further described in conjunction with the accompanying drawings.

[0016] In the present invention, text editing and making tools, advertisement editing and making units, advertisement broadcasting units, gateways and electronic program guide (EPG) making and sending units, digital television networks, multiplexers, scramblers, modulators, mixers, and set-top boxes are all Is the use of existing mature technology and equipment.

[0017] Such as figure 1 As shown, the subtitle file playback process through the advertising system:

[0018] (1) Edit the text content to be broadcast through text editing and production tools, including various fonts, font styles, font sizes, font colors and artistic effects, background colors and artistic effects, font borders, border colors, background transparency, Background art effects, rounded corners at the beginning and end of subtitles, adding background images, word spacing, and line spacing; convert ...

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PUM

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Abstract

The invention relates to a GIF (Graphic Interchange Format) image file roll title display method based on a digital television set top box. Title files with GIF are played through a set top box, therefore, the characteristics of rapid terminal decoding and high efficiency are achieved; and the title files can be designed into various display effects including various character styles, fonts, sizes, colors and artistic effects, background colors and artistic effects, font boxes, box colors, background transparency, background artistic effects, title strip head and tail corners, background picture addition, and work space and line space adjustment.

Description

technical field [0001] The invention relates to the technical field of digital television, in particular to a method for displaying rolling subtitles in a digital television set-top box based on a GIF image file. Background technique [0002] With the increasing popularity and development of digital TV set-top boxes, users have higher and higher requirements for displaying scrolling subtitles when using set-top boxes to play TV programs; at present, displaying scrolling subtitles in text format not only has a small storage capacity, but also supports subtitle display effects Limited; GIF image file data is compressed, can support multiple color images, and terminal decoding is fast, almost all software supports it, and a large number of software in the public domain are using GIF image files. Contents of the invention [0003] The object of the present invention provides a kind of digital TV set-top box rolling subtitle display method based on GIF image file, utilizes the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/485
Inventor 李卫国温明
Owner WUHAN DONGTAI INFORMATION IND
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