Video, audio and image signal processing apparatus namely, signal testers, monitors, converters, processors, encoders, decoders, signal generators, analyzers, video tape players, screen optimizers, noise reducers, switchers, routers, correctors, synchronizers, amplifiers, serializers and deserializers, digital video effects processors; video, audio and image signal processing apparatus and software for reading, writing, decoding, extracting, encoding or injection of metadata information into files or multi-media signals; electronic apparatus for use in the capture, production, post-production, conversion, recording, retrieval, distribution, play out and broadcast of television material, namely, antennas, transmitters, encoders, decoders, receivers, amplifiers, converters, monitors, modulators and demodulators, mixers, equalizers, signal generators, synchronizers, time-based correctors, color correctors, noise reducers, test pattern generators, signal compression apparatus, oscillators and filters; video communications apparatus, namely, video signal processors, video processors, video recorders, and video reproduction equipment, namely, video cameras, televisions and video monitors; audio and video apparatus for domestic use, namely, television receivers, televisions, video monitors, video players, video displays, video display optimizers, DVD players and CD players; display processing apparatus, namely, video signal converters for the purpose of display in a television; software for the purpose of converting video signals to display in a television; television standards converters; apparatus for the transfer of film material to video; apparatus and software for use in film post production; apparatus and software for the generation, storage, modification and playing of test patterns and test signals; amplifiers, buffers, distributors, routers, switchers, mixers, serializers, deserializers, analyzers, monitors, standards converters, up-converters, down-converters, cross-converters, aspect-ratio-converters, editors, converters, time base correctors, synchronisers, color encoders, color decoders, color correctors, translators, pre-processors, post-processors, multiplexers, de-multiplexers, apparatus for storing picture, video or audio information, audio inserters, audio extractors, recorders and noise reducers, all for use with video, picture or audio signals, whether compressed, partially compressed or uncompressed; apparatus and software for compression encoding, compression decoding, transcoding, partial encoding or partial decoding of picture, video or audio signals; apparatus and software for the generation of digital effects in film or video; apparatus and software for use in the removal of artefacts from film or video; apparatus for the restoration of film and video archives and for the management and retrieval of film and video archives; apparatus and software for testing, analyzing, monitoring, guiding or controlling any of the foregoing, namely, apparatus and software for sharing and contributing metadata in a collaborative workgroup, apparatus and software to perform file management, conversion and translation, apparatus and software to edit, conform and perform a list of edits or effects from an imported metadata file to resulting files or multimedia signals; computer software for audio visual applications, namely control and processing software for audio visual applications; integrated circuits, circuit boards, spare parts or sub-assemblies for use with any of the foregoing apparatus