Speaker Identification Based on Nasal Phonation
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TL;DR
A method of automatic speaker identification based on the physiology of the vocal apparatus and essentially independent of the spoken message has been developed.
Abstract
A method of automatic speaker identification based on the physiology of the vocal apparatus and essentially independent of the spoken message has been developed. Power spectra produced during nasal phonation are transformed and statistically matched. In experiments involving the identification of individual speakers out of a population of 10 speakers, an average identification accuracy of 97% was obtained. With an experimental population of 30 speakers, identification accuracy was 93%. The procedure is outlined, and the experimental evaluation of it is described.