The Role of Glottal Source Parameters for High-Quality Transformation of Perceptual AgeReport as inadecuate




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1 Analyse et synthèse sonores Paris STMS - Sciences et Technologies de la Musique et du Son

Abstract : The intuitive control of voice transformation e.g., age-sex, emotions is useful to extend the expressive repertoire of a voice. This paper explores the role of glottal source parameters for the control of voice transformation. First, the SVLN speech synthesizer Separation of the Vocal-tract with the Liljencrants-fant model plus Noise is used to represent the glottal source parameters and thus, voice quality during speech analysis and synthesis. Then, a simple statistical method is presented to control speech parameters during voice transformation : a GMM is used to model the speech parameters of a voice, and regressions are then used to adapt the GMMs statistics mean and variance to a control parameter e.g., age-sex, emotions. A subjective experiment conducted on the control of perceptual age proves the importance of the glottal source parameters for the control of voice transformation, and shows the efficiency of the statistical model to control voice parameters while preserving a high-quality of the voice transformation.

Keywords : voice transformation statistical modelling glottal source and vocal tract





Author: Xavier Favory - Nicolas Obin - Gilles Degottex - Axel Roebel -

Source: https://hal.archives-ouvertes.fr/



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