| 释义 |
quadraphonic sound system quadraphonic sound system[¦kwä·drə¦fän·ik ′sau̇nd] (engineering acoustics) A system for reproducing sound by means of four loudspeakers properly situated in the listening room, usually at the four corners of a square, with each loudspeaker being fed its own identifiable segment of the program signal. Also known as four-channel sound system. |