US PATENT SUBCLASS 84 / 665
.~.~.~.~ Loudness control

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
647  DF  .~.~ Digital combinational circuit {7}
662  DF  .~.~.~ Expression or special effects {3}
665.~.~.~.~ Loudness control

DEFINITION

Classification: 84/665

Loudness control:

(under subclass 662) Subject matter wherein the amplitude or volume of the musical tones may be regulated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

633+, for loudness control with digital storage.