Vers un système indiquant la distance d'un locuteur par transformation de sa voix

Abstract : This thesis focuses on speaker voice transformation in the aim to indicate the distance of it: a spokento-whispered voice transformation to indicate a close distance and a spoken-to-shouted voicetransformation for a rather far distance. We perform at first, in-depth analysis to determine mostrelevant features in whispered voices and especially in shouted voices (much harder). The maincontribution of this part is to show the relevance of prosodic parameters in the perception of vocaleffort in a shouted voice. Then, we propose some descriptors to better characterize the prosodiccontours. For the actual transformation, we propose several new transformation rules whichimportantly control the quality of transformed voice. The results showed a very good quality oftransformed whispered voices and transformed shouted voices for relatively simple linguisticstructures (CVC, CVCV, etc.).
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Thibaut Fux. Vers un système indiquant la distance d'un locuteur par transformation de sa voix. Acoustique [physics.class-ph]. Université de Grenoble, 2012. Français. ⟨NNT : 2012GRENT120⟩. ⟨tel-01557936⟩



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