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 specially adapted for portable audio and video players, stands specially adapted for mounting speakers; apparatus for reproduction and recording of audio and video memory cards; record players; phono 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; wireless speakers; megaphones; audio speakers; cabinets for loudspeakers; speaker mounting brackets; 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; sound and video recording carriers, namely, blank optical and magnetic data carriers; personal digital assistants; watch type personal digital assistants; blank data media, namely, magnetic and optical; blank magnetic cards, magnetic discs, magnetic 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; digital audio and video network servers; phonograph records featuring music, spoken words, and speech; downloadable music files; sound or 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; loudspeakers with built-in amplifiers; karaoke machines; power distribution or control machines and apparatus; rotary converters; phase modifiers for synchronous condensers; batteries and electrical cells; solar batteries; AC/DC converters; home theater systems comprising audio amplifiers and audio speakers; intercoms; digital photo frames; voice receivers; in-wall audio amplifiers; in-ceiling audio speakers; personal sound amplifiers; voice controlled loudspeakers