9 Video frequency devices and apparatus, namely, digital camera, video cameras, camcorders, videodisc players, videodisc recorders, digital video players, digital video recorders, digital video disc players, digital video disc recorders; audio frequency devices and apparatus, namely, IC voice recorders, public-address systems and instruments, portable audio players, compact disc players, musical juke boxes, tape recorders, sound recording machines and apparatus; personal stereos; stereo amplifiers; stereo receivers; radio signal tuners; stereo tuners; digital broadcasting radio receivers and radio signal tuners; digital broadcasting television receivers and television tuners; television receivers; audio and video receivers; digital audio and video network receivers; digital audio and video network media players; optical disc players and optical disc recorders featuring sound and images; audio cassette players; audio cassette recorders; video cassette players; video cassette recorders; portable digital audio and video media players; protective cases for portable digital audio and video media players; stands adapted for portable audio and video media players; apparatus for reproduction and recording of audio and video, namely, memory card players and memory card recorders; record players; audio equaliser apparatus; car stereos; video disc recorders, video disc players, digital audio recorders, and digital audio players with built-in hard disk drives; video projectors; video projector screens; video display apparatus, namely monitors, plasma display panels, liquid crystal displays (LCD), cathode ray tube displays (CRT), organic electroluminescent display panels; audio and video signal analog-to-digital converters; audio and video signal digital-to-analog converters; loudspeakers; wireless speakers; megaphones; audio speakers; cabinets for loudspeakers; mounting brackets adapted for stereos and audio speakers; stands adapted for stereos and audio speakers; headphones; wireless headphones; personal headphones for sound transmitting apparatuses; earphones; wireless earphones; horns for loudspeakers; loudspeaker systems; microphones; audio and video signal processing apparatus, namely, audio and video signal processors; portable radio communication machines and apparatus, namely, portable radio transmitters and portable wireless data transmitters; portable telephones; smartphones; sound and video recording carriers; personal digital assistants; watch type personal digital assistants; blank magnetic data carriers and blank optical data carriers; blank magnetic cards, namely, memory cards and Secure Digital (SD) Memory Cards; blank magnetic discs, tapes and data medias; cabinets adapted for audio and video apparatus and computers; remote control apparatus for audio and video equipment; remote controllers and remote control apparatus for use with audio and video apparatus and computers; digital radio transceivers; computers and computer peripheral devices; portable computers; laptop computers; tablet computers; wearable computers in the nature of smartwatches, smartglasses, smart rings, head-mounted video display, and neckband wearable computers; smartwatches; interfaces for computers; computer keyboards; computer mouse; monitors for computers; sound circuit boards for computers; video circuit boards for computers; radio signal tuners for computers; optical disk drives; hard disk drives; semi-conductor memories units; USB (universal serial bus) memories, namely, blank USB cards and blank USB flash drives; blank flash memory cards; digital audio and video network servers; downloadable computer software for controlling the operation of audio and video devices; downloadable computer software to control and improve computer and audio equipment sound quality; downloadable computer software for recording, transmission, reproduction, receiving, downloading, storage and/or editing of sound or images; downloadable computer software for transmitting and receiving e- mails and other information; computer software, recorded for recording, playing, editing, downloading, transmitting and streaming music; routers for telecommunication and computer network; communication hubs and computer network hubs; modems; document printers; phonograph records featuring music; downloadable music files; sound or video recorded magnetic cards, magnetic sheets, magnetic tapes and optical discs; exposed cinematographic films; exposed slide films; slide film mounts; downloadable multimedia files containing video relating to music, movies and animated cartoons; recorded video discs and video tapes featuring music, movies and animated cartoons; power supply devices, namely, uninterruptible electrical power supplies; batteries for tablet computers, desktop computers, portable computers, notebook and laptop computers, smartphones and wearable computers in the nature of smartwatches, smartglasses, smart rings, head-mounted video display, and neckband type wearable computers; electric cables for use with audio and video apparatus and computers; loudspeakers with built-in amplifiers; karaoke machines; electric power distribution or control machines and apparatus; rotary converters; phase modifiers; electrical batteries and cells; solar batteries; AC/DC power converters; downloadable computer application software for personal digital assistants, smartphones and tablet computers; downloadable electronic publications in the nature of instructional and informational books and manuals in the field of audio and video apparatus; home theater systems comprising audio amplifiers and audio speakers; telephones, namely, telephone apparatus, video telephones, cordless telephones, radio telephones, digital telephones; intercoms; digital photo frames; voice receivers; in-wall audio amplifiers; in-ceiling audio speakers