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DVI的成长历史你知道多少

date:On September 11, 2017 Source:  

   说到DVI接口没什么人是不知道的,电脑上使用的视屏传输就是用来DVI接口来传输的,作为这种接口可是有很多种型号的,那什么是DVI接口呢?

Speaking of the DVI interface, no one is not aware of the use of video transmission on the computer is used to DVI interface to transmit, as this interface, but there are many types of models, then what is the DVI interface?


   DVI接口是以SiliconImage公司的PanalLink接口技术为基础,基于TMDS(TransitionMinimizedDifferentialSignaling,最小化传输差分信号)电子协议作为基本电气连接。TMDS是一种差分信号机制,可以将像素数据编码,并通过串行连接传递。显卡产生的数字信号由发送器按照TMDS协议编码后通过TMDS通道发送给接收器,经过解码送给数字显示设备。

The DVI interface is based on SiliconImage's PanalLink interface technology, based on TMDS (TransitionMinimizedDifferentialSignaling) electronic protocol as a basic electrical connection. TMDS is a differential signaling mechanism that can encode pixel data and serial Connection pass. The digital signal generated by the video card is encoded by the transmitter according to the TMDS protocol and sent to the receiver through the TMDS channel, which is decoded and sent to the digital display device.

DVI延长器

   了解DVI接口我们就来看看DVI延长器,DVI延长器是用来延长信号的器件,通常用于长距离直连线材无法满足传输要求的情况,一般是为了确保信号长距离无衰减的传输而设计,因此多是有源的。延长器一般分发送端和接收端,发送端负责完成信号获取和压缩的作用,接收端负责完成信号的解码和端口分配。为了使信号能够达到最好的质量,在独立供电的设备端一般会有增益或者其它参数独立调节的旋钮。发送和接受端之间可以是同轴电缆,双绞线(网线),甚至是光纤等等,根据设备应用而不同。

Understanding the DVI interface Let's look at the DVI extender, the DVI extender is used to extend the signal of the device, usually used for long-distance direct wire can not meet the transmission requirements of the situation, generally in order to ensure long-distance transmission without attenuation While the design, so mostly active. Extender is generally distributed transmitter and receiver, the sender is responsible for the completion of signal acquisition and compression role, the receiver is responsible for the completion of signal decoding and port allocation. In order to achieve the best quality of the signal, in the independent power supply equipment generally have a gain or other parameters of the independent adjustment of the knob. The transmitter and receiver terminals may be coaxial cables, twisted pair (network cable), or even fiber, etc., depending on the device application.


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