Complex cepstrum as phase information in statistical parametric speech synthesis

@article{Maia2012ComplexCA,
  title={Complex cepstrum as phase information in statistical parametric speech synthesis},
  author={Ranniery Maia and Masami Akamine and Mark J. F. Gales},
  journal={2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2012},
  pages={4581-4584}
}
Statistical parametric synthesizers usually rely on a simplified model of speech production where a minimum-phase filter is driven by a zero or random phase excitation signal. However, this procedure does not take into account the natural mixed-phase characteristics of the speech signal. This paper addresses this issue by proposing the use of the complex cepstrum for modeling phase information in statistical parametric speech synthesizers. Here a frame-based complex cepstrum is calculated… CONTINUE READING
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Proaks, Discrete-Time Processing of Speech Signals

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