QUADRAPHONIC PRODUCT NAMES

Product Name Manufacturer Type What it is
2-4 EnhanceSony/ColumbiaDerivedDeriver
2+2KossAll4-channel headphone
2+2FisherMatrixRM matrix decoder
Audio Pulse EnhancerAudio PulseDerivedEnhanced stereo
AutoVaryUniQuadMatrixSeparation enhancement
BMXDenonMatrixBasic version of UMX (BBC Matrix F)
CD-4JVC / RCADiscrete Discrete carrier phonograph record
CirclesurroundSRSMatrixCinema matrix
ComposerLafayetteMatrixRM matrix decoder
CSG ProcessHaecoCompatible Stereo Compatible stereo generator
Decoder-4SanyoMatrixAdjustable matrix decoder
Dolby StereoDolby LabsEncoder Film matrix encoder
Dolby SurroundDolby LabsMatrixMatrix decoder
DQDynacoMatrix / DerivedAbbreviation for Dynaquad
Dual TriphonicDenonMatrixMatrix decoder
DynaquadDynacoMatrix / DerivedMatrix / derived decoder
EVElectro-VoiceMatrixOld Electro Voice EVX-4 matrix
Fosgate MPFosgateMatrixSeparation enhanced Dolby Surround
GhentColumbiaEncoderSQ Matrix encoder
Haeco CSGHaecoCompatible Stereo Compatible stereo generator
Hexaphonic TrideeDolby?3D Matrix 3D Dolby Stereo
Matrix EBBC MatrixBBC Matrix E - Equal Separation Matrix
Matrix GBBC MatrixBBC Matrix G - Modification of Matrix F (BMX)
Matrix HBBC MatrixBBC Matrix H - Modification of Matrix G
Phase Matrix EIAJ MatrixEIAJ definition of SQ (PM)
Phase-4London RecordsRecord Label A trademark †
Phase MatrixSansuiMatrixSQ matrix decoder
Phase Q4SylvaniaMatrix / DerivedMatrix / derived decoder
Phase Shift NetworkHarmon KardonDerivedDeriver
PhlazexUniQuadEncoderWide stereo / RM encoder
PMEIAJ MatrixEIAJ definition of SQ (Phase Matrix)
Pro-LogicDolby LabsMatrixSeparation enhancement
Product Name Manufacturer Type What it is
QaudioToyoAll4-channel equipment line, decoder
QMEIAJ MatrixEIAJ definition of front-oriented matrix
QMPilotMatrixRegular matrix decoder
QM Acoustic Effect SimulatorToshibaDerivedDeriver
QMXDenonMatrixDiscrete version of UMX matrix
QSSansuiMatrix / DerivedQS matrix decoder (BBC Matrix A)
QUADQUAD IAG Ltd.Trademark acronym A trademark "Quality Unit Amplifier Domestic" †
QuadaptorDynacoMatrix / Derived Dynaquad matrix / derived decoder
QuadradialMarantzMatrix / DerivedMatrix / derived decoder
QuadralizerPioneerMatrixMatrix decoder
QuadrantH H ScottMatrix / DerivedMatrix / derived decoder
QuadraplexMagnavoxMatrixRM matrix decoder
QuadrasizerSSIMatrix / DerivedMatrix / derived decoder
QuadrasonicPanasonicDiscreteTape machines
QuadraSyncAkaiDiscrete Tape overdub sync device
QuadrixKenwoodMatrix / DerivedMatrix / derived decoder
QuadruplexPanasonicMatrix DecoderRM matrix decoder
QuasiQuadBSRDerivedDeriver
QuatrasonicEicoMatrix / DerivedMatrix / derived decoder
QuatravoxRealisticMatrix / DerivedMatrix / derived decoder
QuintaphonicThe Who / SansuiMatrix 3-track film, QS, discrete center front
QXDenonMatrixEV-type matrix record
Product Name Manufacturer Type What it is
Regular Matrix EIAJ MatrixEIAJ definition of QS (RM)
RMEIAJ MatrixEIAJ definition of QS (Regular Matrix)
Sel-SyncAmpexDiscreteTape overdub sync device
Simul-SyncTEACDiscreteTape overdub sync device
SpheroundUniQuadMatrix 3-D surround-field matrix
SQColumbiaMatrixSQ Matrix (BBC Matrix B)
SRSSRS LabsDerivedEnhanced stereo
Stereo-4Electro-VoiceMatrixEV matrix decoder
Stereo-44Electro-VoiceMatrixEV Universal matrix decoder
Stereo-180AudionicsEncoder Matrix encoder mic layout
StereoQuadColumbiaMatrixMatrix (meaning of SQ)
Studio-4UtahDerivedDeriver
SurrfieldUniQuadMatrix Surround field matrix
Tate SQFosgateMatrixSeparation enhanced SQ decoder
Tetraphonic 3D(unknown) 3D MatrixTetrahedral speaker decode for Hexaphonic Tridee
TetrixBBC MatrixBBC Matrix E - Equal Separation Matrix
UD-4DenonMatrixDiscrete / Matrix QMX phonograph record
UMEIAJ MatrixEIAJ standard for UMX matrix
UMXDenonMatrixDiscrete / Matrix systems BMX and QMX
UniversalElectro-VoiceMatrixEV Universal matrix decoder
UniversalMetrotecMatrix / DerivedSQ, EV, derived decoder
VariblendColumbiaMatrix SQ Separation enhancement (BBC Matrix D)
Vari-MatrixMarantzMatrixAdjustable RM decoder
Vario-MatrixSansuiMatrix QS Separation enhancement (BBC Matrix C)
XMDenonMatrix Denon Triphonic and Dual Triphonic QM systems
( • )SRS LabsDerived SRS stereo enhancer
( • )SRS LabsEncoder SRS enhanced stereo recording

†   NOT quadraphonic or surround

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