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Tell me what functions are behind the TV interface? 3

  • Author:Esmart
  • Source:Esmart
  • Release on :2017-08-09
Four: color difference component interface and AV interface 
The chrominance component interface is also used to transmit video signals. There are two forms of color difference component interface, namely YPbPr and YCbCr, the former is progressive color difference component, the latter is interlaced color difference component, and relatively speaking, progressive color difference component is more excellent.  
In the color difference component interface, the brightness is marked by Y, and the chrominance and brightness are separated and processed into three primary colors, namely red, green and blue, so that the color display is more adequate.

In terms of the interface, the three joints are distinguished by green, blue and red respectively.  
Perhaps some friends ask, the color difference component is analog interface, why not be eliminated?  
The reason is that the chrominance component interface has a good support for the 1080P resolution, that is, the output of the 1920x1080 resolution is not stressed. Considering the compatibility of some old models of television. For example, users are still using CRT TV, you can cable Android tv box with video recording color difference component interface to make up for no HDMI interface can not connect the regret.
In fact, along with the color difference component interface, as well as AV input interface, that is, we are more familiar with the red and white yellow interface. However, in terms of quality, AV input interface performance is not ideal, this is because it provides analog signals, in terms of resolution, do not say 1080P Full HD, even if the 720P standard resolution is not clear. As a result, the AV input interface has faded out of view and is only used to connect older devices. 

In fact, with the color difference component interface, as well as the old AV input interface, that is, we are more familiar with the red and white yellow interface. AV interface in traditional old TV is still more common, through the AV interface, many old TV can also connect to the Android tv box HDMI input for video recording , see blockbuster.