computer software for management and control of systems for distribution, switching, and processing of audiovisual signals, and for control of audiovisual devices generating and receiving those signals; integrated circuits and semiconductors; computer and electronics hardware systems comprised of transmitters for communications including audio, video, data, power and command, receivers for communications including audio, video, data, power and command, semiconductors, embedded software to provide instructions for transmission and reception, computer chipsets for use in transmitting data and to move processes from end to end, integrated circuits, integrated circuit modules and components thereof, for use in transmission and dissemination of video, audio, data, power, graphics, images, signals, messages and control functions; computer software for use as an interface between audio/video sources and audio/video repeater devices; computer software for use as an interface between audio/video sources and audio/video monitors; computer software interface for connecting, controlling and networking a wide variety of computer and communications hardware, consumer electronic devices, components, peripherals and home appliances; communications hardware, namely, computer hardware and hardware components therefor, namely, Internet gateways, multimedia switches, and peripherals; consumer electronics devices, namely, cable, satellite and terrestrial digital set-top boxes, personal video recorders, cable boxes, audio/video receivers, integrated televisions, and television monitors; electronic displays, namely, digital signage