US PATENT SUBCLASS 84 / 663
.~.~.~.~ Envelope shaping (i.e., attack, decay, sustain, or release)

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}
663.~.~.~.~ Envelope shaping (i.e., attack, decay, sustain, or release)

DEFINITION

Classification: 84/663

Envelope shaping (i.e., attack, decay, sustain or release):

(under subclass 662) Subject matter for providing or modifying an amplitude contour of an activated tone.

SEE OR SEARCH THIS CLASS, SUBCLASS:

627+, for envelope shaping with digital storage.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

306+, for signal shaping by amplitude control.

333, Wave Transmission Lines and Networks, appropriate subclasses for network delay.