Next the blended video signal is converted from YUV 4:2:2 to YUV 4:4:4 (not shown), and then provided to a YUV-to-RGB conversion process 34, in which the blended digital video signal is converted from a YUV 4:4:4 format to a (red-green-blue) RGB format, which is compatible with a cathode ray tube (CRT) display or other display.