Telecommunication devices and apparatus, namely, telephone apparatus, 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 for portable audio and video players; apparatus for reproduction and recording of audio and video memory cards; record players; audio equalizers; 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; megaphones; audio speakers; wireless speakers; cabinets for loudspeakers; mounting brackets specially adapted for setting up speakers; mounting stands specially adapted for audio speakers; headphones; wireless headphones; 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, namely, blank magnetic data carriers, blank optical data carriers, blank optical data carriers for CDs, blank optical data carriers for DVDs, blank optical data carriers for blue-laser-readable discs; personal digital assistants; blank magnetic and optical data media, namely, tapes for tape recorders, CDs, DVDs, and blue laser discs; blank magnetic cards, discs, tapes, and data medias; cabinets adapted for audio and video apparatus and computers; remote control apparatus; 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; 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 memory units; USB (universal serial bus) flash drives; flash memory cards; digital audio and video network servers; computer software for recording, transmission, reproduction, receiving, downloading, storage and/or editing of sound or images; computer software for transmitting and receiving e-mails and other information; computer software, recorded; 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, phonograph records featuring speech, phonograph records featuring entertainment; downloadable music files; sound or video prerecorded magnetic cards, magnetic sheets, magnetic tapes and optical discs featuring music; 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; power distribution boxes; rotary converters; phase modifiers for synchronous condensers; batteries and cells; solar batteries; AC/DC converters; 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; intercoms; digital photo frames; audio and voice receivers; audio amplifiers for use in-wall; audio speakers for use in-ceiling