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WordReference Random House Learner's Dictionary of American English © 2024quad•ra•phon•ic /ˌkwɑdrəˈfɑnɪk/USA pronunciation adj. - Sound Reproductionof or relating to the recording, playing, or sending of sound by means of four channels instead of two;
four-channel.
See -quad-, -phon-. WordReference Random House Unabridged Dictionary of American English © 2024quad•ra•phon•ic (kwod′rə fon′ik),USA pronunciation adj. - Sound Reproductionof, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system:a quadraphonic recording.
Also, four-channel, quadriphonic, quad•ra•son•ic (kwod′rə son′ik).USA pronunciation Cf. monophonic, stereophonic. - quadra-, variant of quadri- + -phonic, as in stereophonic 1965–70
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