S-video Cables

Written by Serena Berger
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S-Video cables deliver better performance than RCA video cables, though they are not up to the caliber of component video cables. These cables improve over RCA video cables by separating the color and brightness parts of the signal into different paths that can then be processed separately. Hence, the "S" in S-Video--it denotes that these two pieces of the video signal are "separate" when they are being processed.

Devices with S-Video Connections

While the RCA input is included on almost all devices, the S-Video connection can be found on most DVD players and satellite systems. Even video game systems are beginning to sell optional S-Video cables that can be connected to your television or receiver. The basic cable included with these systems is still an RCA cable because older televisions are likelier to have an RCA input. The S-Video cables deliver superior video quality, however, which is of the utmost importance as the video quality in new games is truly stunning.

S-Video jacks are also common on high-end graphics cards for computers. This allows users to view their computer screen on a television screen. While this might seem trivial, it can come in very handy if you are working with a group in a cramped apartment where the computer has been tucked into a corner but there is plenty of seating around the television. You can clone your desktop so that you can work on the computer while others see the changes on the television.

Some components such as DVD players may include S-Video cables when you purchase them. If these cables produce good results for you, then there is no reason to run out and buy new cables. If, however, you do not see the video quality that you had expected, you may need to purchase an S-Video cable that has more shielding so that other electronic signals do not interfere with the signal you want to view.


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