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Excitation-based Voice Quality Analysis and Modification

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arxiv 2001.00582 v1 pith:E5YPCX5X submitted 2020-01-02 cs.SD cs.CLeess.AS

Excitation-based Voice Quality Analysis and Modification

Thomas Drugman , Thierry Dutoit , Baris Bozkurt This is my paper
classification cs.SD cs.CLeess.AS
keywords voicequalityanalysisdifferencesexcitationmodificationqualitiessystem
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This paper investigates the differences occuring in the excitation for different voice qualities. Its goal is two-fold. First a large corpus containing three voice qualities (modal, soft and loud) uttered by the same speaker is analyzed and significant differences in characteristics extracted from the excitation are observed. Secondly rules of modification derived from the analysis are used to build a voice quality transformation system applied as a post-process to HMM-based speech synthesis. The system is shown to effectively achieve the transformations while maintaining the delivered quality.

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