Re: Quick question: What do the abbreviations stand for in component cables?

Jeff Rife <wevsr@xxxxxxxx> wrote in
news:MPG.1ee6c9058fd3726798a56d@xxxxxxxxxxxxx:

Y: luminance, which also contains the green signal
Pb': blue difference signal (i.e., blue chrominance)
Pr': red difference signal (i.e., red chrominance)

Thanks for the great data, but I still can't find the basic: What do these
letters actually stand for? Why does Y = luminance, and so forth?

Ryan
.