Monochrome or luminance information. Monochrome means one color. In the color television system the Black & White portion of the picture has to be one "color"; gray, D6500, 6500°K as defined by x and y values in the 1931 CIE color coordinate system. The black and white signal in the S or Component video path is separate from the color information.
BLACK & WHITE
Meaning of BLACK & WHITE in English
Film and video English vocabulary. Английский словарь фильмов и видео. 2012