Done!,
checked that last night, What's the point of component anyway, you dont get sound and you have to use RCA's as well anyway
Component video:
Component video consists of three signals. The first is the luminance signal, which indicates brightness or black & white information that is contained in the original RGB signal. It is referred to as the "Y" component. The second and third signals are called "color difference" signals which indicate how much blue and red there is relative to luminance. The blue component is "B-Y" and the red component is "R-Y". The color difference signals are mathematical derivatives of the RGB signal.
Green doesn't need to be transmitted as a separate signal since it can be inferred from the "Y, B-Y, R-Y" combination. The display device knows how bright the image is from the Y component, and since it knows how much is blue and red, it figures the rest must be green so it fills it in.
Once we've got our video information packaged up in component video format we've reduced bandwidth requirements by a factor of 3 to 2. But more compression was required for broadcast purposes. So back in 1953 when color television was born, a technique was developed to compress all of the component video information into one signal for broadcast. That one signal defined by the National Television Standards Committee (NTSC) is known as composite video.
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