Sunday, November 9, 2008

Componet Video

All conventional methods of sending an analog video signal from one device to another involve a few basic types of "information". These information are basically grouped as scan, brightness and color. Unlike RCA composite cable which carries a single lower-quality signal, the component cable which carries picture information as three separate higher-quality signals — typically luma and two chroma components. Another format is the S-Video which carries the video data as two separate signals, luma (luminance) and chroma (colour).

To sum it up, component gives you the best image quality compared to the other two. For most consumer-level application, an analog component cable is used while those higher end one tends to slowly move to it's digital counterpart. Component video is capable of carrying signals such as 480i, 480p, 576i, 576p, 720p, and 1080i.

Van Den Hul (Holland) Compolink Component Cable

QED Quinox Component Cable

Why the need for quality component cable ?

A component cable works optimally if the cable manage to supply 75 ohms after noise attenuation or any impedance tolerance that might have occurred along the way. This is why quality component cables tends to have larger cables than those ciplak China ones. It's easier to control impedance tightly with a larger dimension cables instead of tiny one.

Second factor would be the shielding. Any video connector is susceptible to electrical noise which come from a variety of sources, which can be cause from transformers, computer and even florescent lights. The composition of the shield in a component video cable will determine how effective it is at preventing interference. Best type of composition would be a heavy braided coupled with a full-coverage foil such as aluminum.

To sum it up, a cable with tight impedance tolerance, effective shielding, adequately-sized for the run and terminated with mechanically solid connectors that make good contact with the equipment jacks and don't do too much to alter the impedance of the whole assembly will outperform anything else on the market.

Anyway, talk is cheap, do drop by to visit us at Sound Fusion Sdn Bhd located at 3rd Floor Wisma Satok, Kuching, Sarawak, Malaysia to see, feel and hear it with your own senses.