Multi-menu co-screen playing method

A playback method and multi-picture technology, applied in cathode ray tube indicators, televisions, instruments, etc., can solve problems such as difficult dynamic adjustments, and achieve the effect of saving storage space and compact storage structure

Active Publication Date: 2006-12-13
HANGZHOU NATCHIP SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional methods are difficult

Method used

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  • Multi-menu co-screen playing method
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Embodiment Construction

[0026] In order to make the object, technical solution, and advantages of the present invention clearer, the following detailed description refers to the accompanying drawings and embodiments.

[0027] image 3 It is a schematic structural diagram of a system for multi-sub-pictures playing on the same screen according to an embodiment of the present invention. The system includes: code stream / program signal input 300, decoding device 301, down-sampling device 302, main storage device 303, playback control device 304, final display device 305, and the actual signal output to the display screen. The step of playing control includes outputting the playing data of the filling area whose number of pixels can be dynamically controlled, and outputting the data of the sub-picture to the display module after being scaled.

[0028] The structural diagram of the playback control device 304 is as follows: Figure 4 shown. The system includes a sub-picture buffering device 401 , a sub-p...

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Abstract

The invention relates to a method for displaying sub images on one display. Wherein, the invention only needs to independently store the data of sub image without storing the displaying data, to reduce the memory space of main memory; when displaying, it can dynamically adjust each sub image via the sub image zoom device, to flexibly control the memory distribution of main memory, and can select a balance point between the memory demand and the display effect; when playing, it can use special display control strategy to assembly the display data of several sub images, to dynamically adjust multi sub images, in different display modes, while it can freely switch the display mode.

Description

technical field [0001] The invention belongs to the field of digital processing of video signals, in particular to a method for simultaneously displaying multiple sub-pictures on a display device. By dynamically adjusting the display layout of sub-pictures during playback, the method makes the multi-sub-picture display function more abundant and flexible on the same screen. Background technique [0002] In the application of digital processing of video signals such as digital television receivers and multimedia video players, it is a very important function to simultaneously display multiple sub-pictures with different contents on one display device. In a digital television receiver, when using multi-sub-pictures to play on the same screen, the content of each sub-picture comes from a different channel when searching for channels. Using the function of multi-sub-pictures to display on the same screen can make the user fast and intuitive at the same time. Browse what's playi...

Claims

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Application Information

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IPC IPC(8): H04N5/45G09G5/14
Inventor 陈军黄智杰庞智博
Owner HANGZHOU NATCHIP SCI & TECH
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