Abstract
In this paper, a new algorithm based upon a digital inverse filter formulation is presented for automatically determining VU, a voiced-unvoiced decision (VU = 0 during unvoiced speech and VU = 1 during voiced speech), F 0 , the fundamental frequency, and F i , i = 1, 2, 3, the first three formant frequencies, as a function of time. Formant trajectory estimates are obtained for all speech sounds that satisfy VU = 1.
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