US PATENT SUBCLASS 381 / FOR 119
.~ Speech formant frequencies (381/50)

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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 119.~ Speech formant frequencies (381/50)

DEFINITION

Classification: 381/FOR.119

Speech formant frequencies:

Foreign art collection where the components parts are any of several resonance bands which determine the phonetic quality of a vowel sound.