Fashionable cinema auditorium in Madrid , Spain. movie mania FCC requirements applied to cable tv systems generally specify the entire allowable sign degradation from acquisition at the headend to supply of the ultimate signal to subscribers’ receivers (although there are exceptions). This vary of coverage is shown by the second horizontal line in Determine 7.1. The quality parameters are relevant (with a couple of minor exceptions) to each analog and digital video signal at each subscriber gear terminal underneath all regular operational situations.