US PATENT SUBCLASS 381 / 71.12
.~.~ Algorithm or formula (e.g., LMS, Filtered-X, etc.)

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

71.1  DF  ACOUSTICAL NOISE OR SOUND CANCELLATION {7}
71.8  DF  .~ Counterwave generation control path {5}
71.12.~.~ Algorithm or formula (e.g., LMS, Filtered-X, etc.)

DEFINITION

Classification: 381/71.12

Algorithm or formula (e.g., LMS, Filtered-X, etc.):

(under subclass 71.8) Subject matter having a specific computational sequence or a mathematical formula used in computation of a counterwave.