equipment for sound recording and reproduction that utilizes two or more independent channels of information. Separate microphones are used in ... [5 related articles] Found on http://www.britannica.com/eb/a-z/s/160
sound system in which a plurality of microphones, transmission channels, and loudspeakers or earphones are arranged so as to provide a listener with a sensation of the spatial distribution of the sound sources Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=801-28-17