Telecommunication devices and apparatus, namely, telephone apparatus, cell phones, facsimile machines, internet radios; video frequency devices and apparatus, namely, digital cameras, digital photo frames, 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 recorders, public-address systems and instruments, portable audio players, compact disc players, juke boxes, tape recorders, record players, sound recording machines and apparatus; personal stereos; stereo amplifiers; stereo receivers; radio tuners; stereo tuners; digital broadcasting receiving tuners; television receivers; audio and video receivers; digital audio and video network receivers; digital audio and video network players; players and recorders for optical discs featuring sound and images; audio cassette players; audio cassette recorders; video cassette players; video cassette recorders; portable digital audio and video players; cases for portable digital audio and video players; stands adapted for portable audio and video players; apparatus for reproduction and recording of audio and video memory cards; record players; phono equalizers being audio apparatus; car stereos; video recorders, video players, audio recorders, and 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; speaker mounting brackets; speaker mounting stands; headphones; wireless headphones; personal headphones for sound transmitting apparatuses; earphones; wireless earphones; horns for loudspeakers; loudspeaker systems; microphones; audio and video signal processing apparatus; portable radio communication machines and apparatus; portable telephones; smartphones; sound and video recording carriers; personal digital assistants; watch type personal digital assistants; blank magnetic and optical data media; blank magnetic cards, discs, tapes and data medias; cabinets adapted for audio and video apparatus and computers; 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; wrist computers; smartwatches; interfaces for computers; computer keyboards; computer mouse; monitors for computers; sound circuit boards for computers; video circuit boards for computers; speakers for computers; radio tuners for computers; optical disk drives; hard disk drives; semi-conductor memories units; USB (universal serial bus) memories; blank flash memory cards; digital audio and video network servers; computer software for recording, transmission, reproduction, receiving, downloading, storage and editing of sound or images; computer software for transmitting and receiving e-mails and other information; routers for telecommunication and computer network; communication hubs and computer network hubs; modems; document printers; phonograph records featuring music, phonograph records featuring spoken word poetry; downloadable music files; sound and video recorded magnetic cards, magnetic sheets, magnetic tapes and optical discs featuring music, movies, animated cartoons, and documentary movies; exposed cinematographic films; exposed slide films; slide film mounts; downloadable video files featuring music; recorded video discs and video tapes featuring movies, animated cartoons, and documentary movies; power supply devices; batteries for computers; cables for use with audio and video apparatus and computers; loudspeakers with built-in amplifiers; karaoke machines; electrical power distribution and control machines and apparatus; rotary converters; phase modifiers for synchronous condensers; batteries and electrical cells; solar batteries; AC/DC converters; computer application software for recording, playing, and editing music for personal digital assistants, smartphones and tablet computers; computer application software for remote control 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; intercoms; digital photo frames; voice audio receivers; in-wall audio amplifiers; in-ceiling audio speakers