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说VGA接口没法进行高清信号的传输,只有HDMI?是个错误!

date:On June 24, 2017 Source:  

   说到以前的电脑的VGA接口一直是众说周知的,它伴随着CRT大头显示器一直到今天,可谓是一个漫长的里程碑,今天电脑的种类越来越多,随着时间的变化,电脑的显示屏分辨率要求越来越高,大多数都引用了主流的高清晰多媒体接口HDMI,它的版本具有多种,HDMI 1.4、HDMI 2.0这两个最为熟知,都是兼容1080P的分辨,很多人认为VGA接口没有高清信号传输,是因为时代在变吗?

Speaking of the previous computer's VGA interface has always been known, it is accompanied by a large CRT monitor until today, can be described as a long milestone, more and more types of computer today, with the changes in time, the computer's display Resolution requirements are getting higher and higher, most of which cited the mainstream high-definition multimedia interface HDMI, its version has a variety, HDMI 1.4, HDMI 2.0 the two most well-known, are compatible with 1080P resolution, many people think VGA interface is not high-definition signal transmission, because the times are changing?


   其实大家一开始就从错误的判断去出发,通过VGA的连接同样可以显示1080P的图像,甚至分辨率可以达到更高,所以用它连接显示设备观看高清视频是没有问题的,而且虽然它是种模拟接口,但是由于VGA将视频信号分解为R、G、B三原色和HV行场信号进行传输,所以在传输中的损耗还是相当小的。

In fact, we start from the wrong judgment to start, through the VGA connection can also display 1080P images, and even the resolution can be higher, so use it to connect the display device to watch high-definition video is no problem, and although it is kind Analog interface, but because the VGA video signal is broken down into R, G, B three primary colors and HV line field signal transmission, so the loss in the transmission is still quite small.


   虽说现在的主流的HDMI接口,但在电脑上连接到显示屏上的线,大多数还是VGA的连接,说明VGA接口还没有被淘汰,也不可能被淘汰,只可以说HDMI接口与VGA接口是相互相成的,缺一不可。

Although the current mainstream HDMI interface, but the computer connected to the screen on the line, most of the VGA connection, indicating that the VGA interface has not been eliminated, it can not be eliminated, can only say that HDMI interface and VGA interface is Mutual, indispensable.


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