Apparatus and instruments for recording, reproducing, reception, transmission, mixing, editing and amplification of sound and/or images; amplifiers; pre-amplifiers; stereo tuner timers; compact disc players; remote control units; record decks; tape recorders; loudspeakers; loudspeaker stands; cabinets for loudspeakers, horns for loudspeakers; tuners; devices for time control (not included in other classes) for audio equipment; compact discs; compact discs (read-only memory), CD-ROM discs, floppy disks, magnetic tape for optical data carriers; radio receivers; digital versatile disc players; video processors; video displays; television apparatus; optical discs, optical disc recorders and playback; surround sound decoders and controllers, home theatre components, digital audio decoders and encoders, audio processors, acoustic sound alarms, acoustic conduits, amplifying tubes and amplifying valves, camcorders, cassette players, integrated circuit chips, audio and video recorders, electric converters, acoustic couplers, magnetic tapes, microphones, projection apparatus and projection screens, radios, audio and video receivers; electro-dynamic apparatus, remote control of signals, semi-conductors, transmitters of electronic signals, all of the foregoing being for use in relation to recording, reproducing, reception, transmission, mixing, editing and amplification of sound and/or images; sound alarms, sound locating instruments; computer hardware, computer software, computer operating programs and computer programs, all of the foregoing being for use in relation to recording, reproducing, reception, transmission, mixing, editing and amplification of sound and/or images; sound recording discs and sound recording strips; sockets, plugs and other contacts (electric connections) parts and fittings for the aforesaid goods; apparatus and instruments for portable and handheld digital electronic devices for recording, reproducing, reception, transmission, mixing, editing and amplification of sound and/or images