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Method for processing image quality and transmitting set

A transmission device and a technology for image quality, applied to the transmission device to improve the image quality processing field of image quality degradation caused by switching channels, can solve problems such as image quality degradation, and achieve the effect of improving image quality degradation

Inactive Publication Date: 2004-10-27
BENQ CORP
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  • Abstract
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Problems solved by technology

[0009] In view of this, the main purpose of the present invention is to propose a method for image quality processing, which can solve the problem of image quality degradation caused by channel switching

Method used

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  • Method for processing image quality and transmitting set
  • Method for processing image quality and transmitting set
  • Method for processing image quality and transmitting set

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Embodiment Construction

[0032] The method disclosed in the present invention is suitable for processing the image quality output when the transmission device switches between two channels. The two channels respectively input different image signals to the transmission device. In the following description, the first channel is switched to the second channel and The first channel and the second channel respectively input the first image signal and the second image signal to the transmission device as an example for description.

[0033] figure 2 It is a flowchart of the image quality processing method in the first embodiment of the present invention. In this embodiment, before the transmission device receives a request for switching channels, the transmission device converts the first image signal input from the first channel into a digital form, and compresses the digitized first image signal by a predetermined compression method, The compressed digital image signal is then sent out.

[0034] The t...

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Abstract

The method is suitable for processing quality of output image of transmission equipment in time of switching between first channel and second channel. First channel and second channel input first image signal and second image signal to the transmission equipment. First, the transmission equipment receives request for switching channel. Then, control transmission equipment switches channels, stops transmission of first image signal, and starts up transmission of prearranged image signal. Finally, sending prearranged image signal is stopped, and transferring second image signal starts.

Description

technical field [0001] The present invention relates to an image quality processing method, in particular to an image quality processing method for improving image quality degradation caused by switching channels, and a transmission device applying the method. Background technique [0002] Digital Television (Digital Television, DTV), according to the definition of the United States Federal Communications Commission (FCC), is different from digital television in that it can transmit a large amount of data with digital signals of 0 and 1, and has excellent image and audio quality. [0003] After digital TV broadcasting, the number of channels increases, which can add diversified and refined services. In addition, digital TV can provide diversified, personalized and interactive video and audio environment to improve the quality of life of channel receivers. Digital TV can be combined with computer and network to achieve the purpose of home shopping and e-commerce by connectin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/50H04N7/015H04N7/24
Inventor 曾成得李昌鸿秦颐隆
Owner BENQ CORP
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