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IPC Subgroup
H04S 3/02

of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Introduced: January 1980

Last revised: January 2006

Full Title

Systems employing more than two channels, e.g. quadraphonic > of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
STEREOPHONIC SYSTEMS