n.a stereophonic sound recording or reproducing system using four separate channels
同义词：quadraphonic systemquadriphonic system
Quadraphony-A Review
Quadraphony: Developments in matrix H decoding
Quadraphony, Spatial High Fidelity, And Compatibility
Audio Engineering Society Anthologies: Quadraphony by J. G. Woodward; Audio Engineering Society Anthologies: Disk Recording by S...
The Use of S.S.B. Sub-Carriers to Enhance Matrix Quadraphony
Properties of Hearing Related to Quadraphony and the Design of a Compatible 4-2-4 Matrix System
Matrix Quadraphony with Logic Enhancement
CHORAL MUSIC RECORDING WITH ACOUSTIC QUADRAPHONY
Sound Localization in 2 and 4 Channel Systems: A Comparison of Phantom Image Prediction Equations and Experimental Data
Compatible system for transmitting and receiving quadraphonic signals
