Audiovisual Dictionary Get to know the terms of the audiovisual ecosystem ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ U (Cb) One of the two chrominance signals that is modulated in the PAL system subcarrier.U equals B-Y. Our Services ParliamentsVoD Content ManagementTrainingMedical Care BACK TO INDEX Chrominance B-Y PAL ← Teletext UWDSCSI →