On the use of the Glottal Source for Expressive Speech Analysis
نویسندگان
چکیده
This contribution summarizes our recent investigations in the use of the glottal source for characterizing expressive voice. It is organized in three main parts. First, we study which methods are the most suited for estimating the glottal flow directly from the speech signal. This is a particularly difficult task which is a typical case of blind separation, since neither the vocal tract nor the glottal components are observable. Secondly, we focus on the parameterization of the resulting glottal flow estimates, highlighting which features are the most appropriate to characterize it. Finally, we report our results of glottal analysis of expressive speech, revealing interesting modifications in the glottal behavior when producing Lombard speech, various voice qualities, or hypo/hyperarticulated speech.
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