Computer hardware and software including hardware, software and firmware for video and audio download, conversion, output, and distribution through a user's computer and video and audio devices throughout their premises; hardware, software and firmware for commercial video and audio distribution and control; hardware, software and firmware for high definition, high-capacity video and audio distribution and control; hardware, software and firmware for ultra high definition, high-capacity video and audio distribution and control; hardware devices for integration into and syncing with a user's existing video and audio system, network or infrastructure, working with any combination of inputs and outputs or any source or display devices; high definition transmitters and receivers; ultra high definition transmitters and receivers