apparatus for recording, transmission or reproduction of sound and images, namely, mixing consoles, tape and video recorders, camcorders, editing units for video films, synchronizers, amplifiers, projection speakers, digital reverbs, signal processors, projection screens, microphones, headphones, intercoms, blank recording carriers, namely, video discs, audio tapes, mini tapes, mini discs, laser discs, vinyl discs; video discs, dvd discs, audio tapes, mini tapes, mini discs, laser discs, viny...