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Digital video transform method and device

A technology for digital video and conversion devices, which is used in TV, standard conversion, color TV and other directions, and can solve problems such as wrong display format output, incorrect and missing HDMIEDID information, etc.

Inactive Publication Date: 2013-08-28
XIAOMI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large number of TV manufacturers supporting the HDMI standard, the production time is different, and the versions of the HDMI standard supported are also different. As a result, TVs on the market often have incorrect, unclear or even missing HDMI EDID information, which causes It is difficult for a set-top box compatible with a high-definition TV to adapt to the high-definition TV: when encountering incorrect HDMI EDID information, the set-top box may output HDMI signals in the wrong display format; when encountering unclear HDMI EDID information or In case of absence, the set-top box will generally output the HDMI signal according to the default display format

Method used

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Embodiment Construction

[0038] The digital video conversion method and device of the present invention are described in detail as follows with reference to the accompanying drawings and embodiments.

[0039] By using the method of the embodiment of the present invention, the adaptation of a digital video conversion device (for example, a set-top box) and its receiving end (for example, a television set) can be realized. Such as figure 1 As shown, the digital video conversion method provided by the embodiment of the present invention includes steps:

[0040] S101. Select an output format according to the number of times the output format switching command is received;

[0041] S102. Convert the digital signal to be converted according to the selected output format.

[0042] Specifically, the method of the embodiment of the present invention can select the output format of the digital video signal to be converted according to the number of times the output format switching command is received, and ac...

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Abstract

The invention discloses a digital video transform method and device. The method comprises the steps that an output format is selected according to frequencies of received output format switching commands; transformation is carried out on a digital signal to be transformed according to the selected output format. According to the method and device, an output format of a digital video signal to be transformed can be selected according to the frequencies of received output format switching commands, the optimal output format can be selected manually and rapidly, and then adaption of a digital video transform device and a receiving end of the digital video transform device is achieved.

Description

technical field [0001] The invention relates to the technical field of digital video conversion, in particular to a digital video conversion method and device. Background technique [0002] With the popularity of high-definition televisions, high-definition set-top box products with high-definition multimedia interface (High Definition Multimedia Interface, HDMI) output have also been developed rapidly. The display resolutions supported by HDTVs and set-top boxes are also increasing. [0003] A digital video conversion box (Set Top Box, STB), usually called a set-top box or a set-top box, is a device that connects a TV to an external signal source. A set-top box is a device that connects a TV to an external signal source. It can convert compressed digital The signal is converted into TV content and displayed on the TV. According to the HDMI standard, the set-top box can judge the display format supported by the TV and the recommended display format according to the TV's Ex...

Claims

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Application Information

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IPC IPC(8): H04N7/01H04N21/422H04N5/765
Inventor 梁欣严星周明
Owner XIAOMI INC
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