Application software; software to control building environmental, access and security systems; apparatus for recording, transmission or reproduction of sound or images; computer software for processing digital music files; network servers; computer networking hardware; audio-video receivers; computer software for controlling the operation of audio and video devices; digital audio and video recorders and players; video and audio recordings; electronic databases; internet servers; computer network adapters; computer network bridges; data storage apparatus; graphical user interface software; radio tuners; audio amplifiers; loudspeakers; loudspeakers with built in amplifiers; multifunctional remote controls; remote control apparatus; portable media players; digital music downloadable provided from a computer database or the internet; audio equipment; telecommunication equipment; computer programs for using the internet; audio-receivers and video-receivers; video disc players; cables for the transmission of sounds and images; computer software relating to secure transmission and receipt of data, signals, images and sound; electronic tablets; interfaces between application programs and firmware on real-time computers; firmware for small decentralised control systems; computer programs and software; computer programs for searching the contents of computers and computer networks by remote control; computer programs for searching, indexing, filtering and retrieval of data; computer software for use in remote meter reading; infrared remote controllers; computer software for communicating with users of hand-held computers; wireless local area network devices; digital audio players; digital sound processors; digital to analogue converters; network servers