US PATENT SUBCLASS 381 / 54
HELIUM SPEECH


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

54HELIUM SPEECH


DEFINITION

Classification: 381/54

HELIUM SPEECH:

(under the class definition) Subject matter where an output speech signal is of differing apparent predominant frequency but of the same duration as the input speech signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29+, for bandwidth compression or expansion of a speech signal.