Transmitters, receivers and transceivers for video and multimedia signal transmission; electronic apparatus for preparing signals for transmission onto an electromagnetic pathway; electronic apparatus for receiving and decoding signals from an electromagnetic pathway; integrated circuits for processing video and multimedia signals; printed circuit boards; printed circuits; printed electric circuits; integrated circuit boards; integrated circuits; computer chips; computer circuit boards; electronic circuit boards; interface cards for computers in the form of printed circuits; interface cards in the form of printed circuits for electrical apparatus; transmitters for the transmission of electronic signals; receivers for reception of electrical signals; apparatus for electrical signal transmission, namely, transcoding circuits to facilitate video communication; recorded computer software for preparing signals for transmission into an electromagnetic pathway; downloadable software for preparing signals for transmission into an electromagnetic pathway; converters for digital signals, namely, transcoding circuits to facilitate video communication; recorded and downloadable software for receiving and decoding signals from an electromagnetic pathway; decoders; encoders; display drivers, namely, integrated circuits; source drivers for displays, namely, integrated circuits; display driver integrated circuits; data transmission cables; cables for electronic transmission of signals and images; flexible electric cables; insulated electrical cables; electric interface cables; electric couplings for electrical cables.