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quadraphony

[kwo-draf-uh-nee]

noun

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

Origin of quadraphony

1965–70; quadra-, variant of quadri- + -phony

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