[ kwo-draf-uh-nee ]
/ kwɒˈdræf ə ni /
high-fidelity sound reproduction involving signals transmitted through four different channels.
Also called quad·ra·phon·ics [kwod-ruh-fon-iks] /ˌkwɒd rəˈfɒn ɪks/, quadriphonics, quad·ra·son·ics [kwod-ruh-son-iks] /ˌkwɒd rəˈsɒn ɪks/, quadrisonics.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for quadraphonics
/ (ˌkwɒdrəˈfɒnɪks) /
(functioning as singular) a system of sound recording and reproduction that uses four independent loudspeakers to give directional sources of sound. The speakers are fed by four separate amplified signals
Derived Formsquadraphonic or quadrophonic, adjectivequadraphony or quadrophony (kwɒdˈrɒfənɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012