US PATENT SUBCLASS 381 / FOR 116
.~ Signal to noise ratio enhancement (381/47)

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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

FOR 110  DF  SPEECH ANALYSIS (E.G., PHONEME RECOGNITION) (381/41) {7}
FOR 116.~ Signal to noise ratio enhancement (381/47)

DEFINITION

Classification: 381/FOR.116

Signal to noise ratio enhancement:

Foreign art collection where there is noise present along with the speech signal and the amplitude of the speech wave is increased relative to the amplitude of the noise.