What are the video interfaces available for HDTV?

Last Update Date : May 31. 2018

HDMI (High-definition Multimedia Interface) provides an interface between any audio-video source, such as a set-top box, DVD player and a digital television (DTV), over a single cable. HDMI is the only interface in consumer electronics that can carry both uncompressed HD video and uncompressed multi-channel audio in all HD formats including 720p, 1080i and even upcoming 1080p. An all-digital, uncompressed signal translates into the highest quality video and audio, seen and heard, direct from the source. For more information on HDMI, please refer to http://www.hdmi.org
DVI stands for Digital Visual Interface. A DVI interface connection can transfer a digital video signal from a source component (such as from a DVI-equipped DVD player, cable, or satellite box) directly to a video display (such as LCD TV, plasma TV) that also has a DVI connection, without conversion to analog. This can result in a better quality image from both standard and high definition video signals.

Component Video ( Y, Pr, Pb ) separates the video signal into three distinct streams, in which the component video signals are carried via three individual cables. Component video splits the signal into red, green, and blue streams the primary colors used to create the entire color spectrum in all televisions. There are two types of component video connections, Y, Cr, Cb, for interlaced signals most commonly found on DVD players, and Y, Pr, Pb for progressive signals, which can be commonly found on progressive scan DVD players, HDTVs, and HD set-top boxes.

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