F<inf>0</inf> contour estimation using ELS-based robust time-varying complex speech analysis

Abstract

Robust F ₀ (Fundamental frequency) estimation plays an important role in speech processing. This paper proposes simple F ₀ contour estimation algorithm based on the robust TV-CAR speech analysis, in which the F ₀ contour is estimated by peak-picking for the estimated time-varying spectrum by means of ELS-based robust complex speech analysis for an analytic speech signal. The experimental results demonstrate that the proposed method leads to more accurate continuous F ₀ estimation than the conventional ones for high-pitched speech.