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Video Demystified: A Handbook for the Digital Engineer, 5th Edition
Video Demystified: A Handbook for the Digital Engineer, 5th Edition, by Keith Jack (Newnes), starting at $46.75
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Video Connectors Tutorial
Author: Gabriel Torres 364,148 views
Type: Tutorials Last Updated: March 20, 2012
Page: 1 of 10

There are several types of video connections that you can find on PC and consumer electronics (“CE”) products such as TVs, DVD/Blu-Ray players, video game consoles, cable TV receptors (“set-top boxes”), and video projectors. Even though they all serve the same purpose – to connect video signals from one device to another – the video quality obtained by each type of connection and/or the number of features available are completely different. Since you probably want to get the best video quality from your equipment, we’ve written this tutorial to explain the differences between each kind of connection and when to use each of them, with many tips on how to improve the video quality generated by your equipment.

The connection types we’ll cover are the following, listed from the worst video quality (the lowest number of features, as in the case of analog connections) to the best video quality (the highest number of features, as in the case of digital connections):

  • Radio Frequency (RF) (analog)
  • Composite Video (RCA) (analog)
  • Separated Video (S-Video) (analog)
  • Component Video (analog)
  • Red, Green and Blue (RGB) (analog)
  • Video Graphics Adapter (VGA) (analog)
  • Digital Video Interface (DVI) (analog or digital)
  • High-Definition Multimedia Interface (HDMI) (digital)
  • DisplayPort (digital)

In a nutshell, you should use the best connection that is supported by both your TV set and the device you want to connect to it.

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