2MARKEL J D.Spectral analysis of speech by linear prediction[J].IEEE Transactions on Audio and Electroacoustic,1973,21(3):140-148.
3CHRISTENSEN R L,SREONG W J,PALMER E P.A comparison of three methods of extracting resonance information from predictor-coefficient coded speech[J].IEEE Transactions on ASSP,1976,24(1):8-14.
4WATANABE A.Formant estimation method using inverse-filter control[J].IEEE Transactions on Speech and Audio Processing,2001,9(4):317-326.
5RAO P,BARMAN A D.Speech formant frequency estimation:evaluating a nonstationary analysis method[J].Signal Processing,2000,80(8):1655-1667.
6HUANG N E,SHEN Z,LONG S R,et al.The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis[J].Proceedings of the Royal Society,1998,454A:903-995.
7FLANDRIN P,RILLING G,GONCALVES P.Empirical mode decomposition as a filter bank[J].IEEE Signal Processing Letters,2004,11(2):112-114.
