4th International Conference on Spoken Language Processing

Philadelphia, PA, USA
October 3-6, 1996

A Frequency Domain Method for Parametrization of the Voice Source

Paavo Alku (1), Erkki Vilkman (2)

(1) University of Turku, Electronics and Information Technology, Turku, Finland
(2) University of Oulu, Dept. Otolaryngology and Phoniatrics, Oulu, Finland

A new frequency domain method for the quantification of glottal volume velocity waveforms is presented in this study. This technique, called Parabolic Spectral Parameter (PSP), is based on fitting a parabolic function to a pitch-synchronously-computed spectrum of the estimated voice source. The PSP-algorithm gives a single numerical value that describes how the spectral decay of an obtained glottal flow behaves with respect to theoretical bounds corresponding to maximal and minimal spectral tilting.

Full Paper

Bibliographic reference.  Alku, Paavo / Vilkman, Erkki (1996): "A frequency domain method for parametrization of the voice source", In ICSLP-1996, 1569-1572.