scheme is of very high complexity. The theme of

[1]  A. Gray,et al.  Least squares glottal inverse filtering from the acoustic speech waveform , 1979 .

[2]  John E. Markel,et al.  Linear Prediction of Speech , 1976, Communication and Cybernetics.

[3]  J. Makhoul,et al.  Linear prediction: A tutorial review , 1975, Proceedings of the IEEE.

[4]  H. Strube Determination of the instant of glottal closure from the speech wave. , 1974, The Journal of the Acoustical Society of America.