A HMM-Based Speech Synthesis System using a New Glottal Source and Vocal-Tract Separation Methods (with G. Degottex)

• This work introduces a HMM-based speech synthesis system which uses a new method for the separation of vocal-tract and Liljencrants-Fant model plus Noise (SVLN) proposed by G. Degottex.
• The glottal source is separated into two components: a deterministic glottal waveform Liljencrants-Fant model and a modulated Gaussian noise.
• This glottal source is first estimated and then used in the vocal-tract estimation procedure.
• Then, the parameters of the source and the vocal-tract are included into HMM contextual models of phonems.
• The synthesis results were subjectively evaluated here
• A HMM-Based Synthesis System Using a New Glottal Source and Vocal-Tract Separation Method,
  P. Lanchantin, G. Degottex and X. Rodet,
  ICASSP2010 Proceedings, Dallas, USA, 2010.

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Transformation examples

• SVLN is promising for voice transformation in synthesis of expressive speech since it allows an independent control of vocal-tract and glottal-source properties.