Unified analysis of glottal source spectrum
Fecha
2003Versión
Acceso abierto / Sarbide irekia
Tipo
Contribución a congreso / Biltzarrerako ekarpena
Versión
Versión publicada / Argitaratu den bertsioa
Impacto
|
nodoi-noplumx
|
Resumen
The spectral study of the glottal excitation has traditionally
been based on a single time-domain mathematical model of
the signal, and the spectral dependence on its time domain
parameters. Opposite to this approach, in this work the two
most widely used time domain models have been studied
jointly, namely the KLGLOTT88 and the LF models. Their
spectra are analyzed in terms of their depend ...
[++]
The spectral study of the glottal excitation has traditionally
been based on a single time-domain mathematical model of
the signal, and the spectral dependence on its time domain
parameters. Opposite to this approach, in this work the two
most widely used time domain models have been studied
jointly, namely the KLGLOTT88 and the LF models. Their
spectra are analyzed in terms of their dependence on the
general glottal source parameters: Open quotient, asymmetry
coefficient and spectral tilt. As a result, it has been proved that
even though the mathematical expressions for both models are
quite different, they can be made to converge. The main
difference found is that in the KLGLOTT88 model the
asymmetry coefficient is not independent of the open quotient
and the spectral tilt. Once this relationship has been identified
and translated to LF model, both models are shown to be
equivalent in both time and frequency domains. [--]
Editor
ISCA
Publicado en
EUROSPEECH-2003, 1761-1764
Notas
Trabajo presentado al 8th European Conference on Speech Communication and Technology (EUROSPEECH 2003 - INTERSPEECH 2003), Ginebra (Suiza), 1-4 de septiembre de 2004
Departamento
Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica /
Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa eta Elektronikoa Saila
Entidades Financiadoras
The Gobierno de Navarra and the Universidad Pública de Navarra are gratefully acknowledged for financial support.