US PATENT SUBCLASS 381 / 27
.~ Center channel

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

1  DF  BINAURAL AND STEREOPHONIC {8}
27.~ Center channel

DEFINITION

Classification: 381/27

Center channel:

(under subclass 1) Subject matter where a third sound signal is derived from combination of two independent sound signals.