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Computer software and firmware for controlling audio and/or video components, namely for controlling televisions, multi source and multi zone distribution amplifiers, electric light dimmers and home automation control modules; touch pads and panels to control audio and/or video components; electric and electronic volume controllers for audio-video systems; lighting controls, remote and wired electric light switches and dimmers; volume controls, speaker selectors, switch plates, and impedance matching devices; home automation and control modules, automated and manual electric light switches; outlets for computers and audio-video connections; speakers; loudspeakers; loudspeaker enclosures; mounting brackets for loudspeakers; amplifiers, preamplifiers and distribution amplifiers; audio/video multi zone controllers; audio and video receivers and tuners; am/fm receivers; microwave controllers; remote controls for audio-video components, televisions, computers, electric light dimmers and home automation control modules; cable wire connectors; infrared and radio frequency controllers; ambient light blockers; electric power controllers; tactile input keypads for controlling audio-video components, namely for controlling televisions, distribution multi zone controllers for computers, electric light dimmers and home automation control modules; audio, video, telephone and computer interfaces; voltage surge protectors and suppressors; infrared repeaters and extenders; electrical transmitters and receivers; telephone interfaces namely, door bell modules for integration into telephone and multi zone audio/video controllers; power supplies for audio-video components, namely for computers, electrical light dimmers and home automation control remote modules; receivers for use in audio-video components, namely, for use in televisions, computers, electric light dimmers and home automation control modules; sensors for use in audio-video components, televisions, computers, electric light dimmers and home automation control modules