PH.C

video and audio apparatus, namely, signal testers, monitors, converters, processors, encoders, [decoders, signal generators, analysers, video tape players,] screen optimizers, noise reducers, [switches, routers] correctors,[ synchronisers, amplifiers, serialisers, and deserialisers, digital video effects processors; ]electronic appatatus for television broadcast and television studios, namely, [antennas, transmitters, ]encoders[, decoders, receivers, amplifiers,] converters,[ monitors, modulators and demodulators, mixers, equalizers, signal generators, synchronisers, time-based correctors, color correctors, ]noise-reducers,[ interfaces, test pattern generators,] signal compression apparatus, [oscillators and filters;] software for use with all the aforesaid apparatus