A New Method of Formant Analysis
نویسندگان
چکیده
This paper presents a novel method of formant tracking. It shows that formant information can be extracted from the cepstrum coefficients . Explicit nonlinear formulas has been developed to map psd (power spectral density) of speech signal to formant frequencies. Formants can be tracked by ESPRIT (Estimation of Signal Parameters via Rotational Invariance Techniques). An ”‘constrained”’ ESPRIT solution was proposed via MUSIC (Multiple Signal Classification) spectrum. Higher accuracy of formant tracking is expected by Baysian’s method and by using the nonlinear mapping function developed in this paper.
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