Digital signal processing; audio processing equipment; downloadable computer software for controlling the operation of audio and video devices; touch screens; downloadable network access server operating software; downloadable computer software for controlling and managing access server applications; mounting racks for computer hardware; audio cables; remote controller for audio devices; computer network servers; electrical receptacles; electric connections and connectors; electric controllers; electric control panels

Computer programming services; software engineering services; customizing computer software; computer software design; developing computer software; computer software consultancy; design and development of software and hardware for digital signal processing