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Method for realizing multi-image preview function of set-top box

An implementation method and set-top box technology, which is applied in the direction of TV, electrical components, selective content distribution, etc., can solve the problems of longer time for analyzing data at the set-top box end, not providing mosaic services, occupying, etc.

Inactive Publication Date: 2012-02-22
FUJIAN NEWLAND COMM SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires the front-end to be equipped with mosaic service equipment, which occupies a channel resource. When the number of programs is large, the time for analyzing data at the set-top box becomes longer, and many domestic operators do not provide mosaic service at the front-end.

Method used

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  • Method for realizing multi-image preview function of set-top box
  • Method for realizing multi-image preview function of set-top box
  • Method for realizing multi-image preview function of set-top box

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Embodiment Construction

[0018] Refer below Figure 1 to Figure 3 The present invention will be further described in conjunction with embodiment:

[0019] Set-top boxes typically have multiple graphics layers (see figure 2 ), including: Background layer, Video layer, Still layer, OSD layer, Cursor layer, etc. The still video image is located in the Still layer, the active video is located in the Video layer, the border and prompt information are located in the OSD layer, the Background layer is used to display the background color of the set-top box, and the Cursor layer is used to display the cursor.

[0020] The realization method of set-top box multi-picture preview function comprises the following steps (see figure 1 ):

[0021] Step 10, dividing the program navigation screen in the set-top box into multiple areas;

[0022] Step 20, give the Video layer respectively in the set-top box (see figure 2 ) and the Still layer (see figure 2 ) allocate a memory space, start the set-top box and tune...

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Abstract

The invention provides a method for realizing a multi-image preview function of a set top box, comprising the steps of: capturing the video data in a program of the set top box to the internal memory space of a Video layer, then converting the data to a data format which can be displayed at a Still layer, and combining an OSD (On Screen Display) layer to realize the multi-image preview function of the set top box. The invention provides a navigation of previewing the programs of multiple channels to the users so that the users can conveniently and rapidly select the interested programs.

Description

【Technical field】 [0001] The invention relates to the field of digital TV set-top boxes, in particular to a method for realizing the multi-picture preview function of the set-top box. 【Background technique】 [0002] Set-top boxes typically have multiple graphics layers (such as figure 2 ), including: Background layer, Video layer, Still layer, OSD layer, Cursor layer, etc. Still video images are located in the Still layer, active videos are located in the Video layer, borders and prompt information are located in the OSD layer, and the size and position of each display screen can be changed. The data displayed by the Video layer is the active video data after decoding and outputting. After the decoder completes the decoding of a frame of source image data, it stores the decoded reconstructed data in the memory. The still video frame displayed on the Still layer, under the PAL system (a method of color coding in TV broadcasting), the size of a frame is 720×576, if the forma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/431H04N7/26
Inventor 彭毅弘
Owner FUJIAN NEWLAND COMM SCI TECH
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