DVI cable: Committed to deliver high visual quality
DVI cable or the Digital Visual Interface cable is used as a video interface standard that are designed to provide very high visual quality on digital display devices such as flat panel LCD computer displays and digital projectors. DVI cables do not carry audio data in its TMDS channel while the HDMI cables used to deliver audio status. DVI cables are very much compatible with that of HDMI and this makes it just possible to support or include audio data by incorporating or including the audio in the TMDS signal.
A single DVI cable consists of four twisted pairs of wires and this is used to carry 24 bits per pixel. The timing of the signal always matches the timing of an analog video signal. The picture through DVI cable is transmitted line by line with proper blanking intervals between each line and each frame. No compression is used in case of DVI cables and there is no additional support is available except in certain areas that are in case of transition of changed parts of the image. This means the whole frame in this case is constantly re-transmitted. With the assistance from a single DVI cable it is possible to send a largest resolution of about 2.75 mega pixels that includes blanking interval also. DVI cable supports a maximum screen resolution of about 1915 x 1436 pixels.
There is no specific length of a DVI cable but it mostly depends on bandwidth requirements. Generally the DVI cable length varies from up to 4.5 m to 15 m.
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