Annex A
| Y (Luminance) | Defines the brightness of a particular point on a TV line. The only |
| signal required for black and white pictures. |
| Y/C | Broadcast video with separate colour, Y (luminance) and C |
| (Chroma) (sometimes called |
| YUV | Y: Luminance component (Brightness), U and V: Chrominance |
| (Colour difference) |
EN/LZT 790 0005 R1A |