quadraphony

[ kwo-draf-uh-nee ]
/ kwɒˈdræf ə ni /

noun

high-fidelity sound reproduction involving signals transmitted through four different channels.

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disgruntle
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.

Origin of quadraphony

1965–70; quadra-, variant of quadri- + -phony
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020