Spectral Representation and Modelling of Glottal Ow Signals
نویسندگان
چکیده
R esum e (Abstract) Nous pr esentons a cet atelier de recherche nos travaux r ecents sur la mod elisation du signal de d ebit glottique. Un mod ele du signal comprenant une composante p eriodique (li ee la vibration quasip eriodique des cordes vocales) et une composante ap eriodique (li ee aux bruit d'aspiration, de frication, aux ir-r egularit es de la vibration des cordes vocales) est consid er e. Un algorithme de d ecom-position p eriodique-ap eriodique est pr esent e, ainsi que son evaluation. Un mod ele spectral lin eaire du d ebit glottique p eriodique est propos e, et on montre son utilit e pour estimer les param etres perceptivement per-tinents de la source. Ces travaux, conn cus au d epart pour la synth ese de parole peu-vent s'appliquer a d'autres domaines, comme l' etude des pathologies vocale ou de la voix chant ee.
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