Ninth International Conference on Spoken Language Processing

Pittsburgh, PA, USA
September 17-21, 2006

Modeling of Speech Signals Based on Bessel-Like Orthogonal Transform

Giorgio Biagetti, Paolo Crippa, Claudio Turchetti

Universita Politecnica delle Marche, Italy

In this paper a novel modeling technique for speech signals, based on the source-filter model of speech production and on orthogonal transform theory, is presented. The proposed approach models the impulse response of such filter, by projection onto a basis of damped Bessel functions, which have been chosen for their similarity to the signal to be modeled. In such a way an orthogonal transform pair is defined which provides a simple and effective methodology for the extraction of model parameters, and its effectiveness in the case of voiced speech has been demonstrated by synthesizing natural sounding speech signals with the aid of only a few extracted parameters.

Full Paper

Bibliographic reference.  Biagetti, Giorgio / Crippa, Paolo / Turchetti, Claudio (2006): "Modeling of speech signals based on Bessel-like orthogonal transform", In INTERSPEECH-2006, paper 1054-Thu2BuP.1.