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%0 Conference Proceedings
%A Villavicencio, Fernando
%A Roebel, Axel
%A Rodet, Xavier
%T Applying improved spectral modeling for High Quality voice conversion
%D 2009
%B IEEE International Conference on Acoustics, Speech and Signal Processing
%C Taipei
%P 4285-4288
%F Villavicencio09a
%K voice conversion
%K spectral envelope
%K speech processing
%X In this work, accurate spectral envelope estimation is applied to Voice Conversion in order to achieve High-Quality timbre conversion. True-Envelope based estimators allow model order selection leading to an adaptation of the spectral features to the characteristics of the speaker. Optimal residual signals can also be computed following a local adaptation of the model order in terms of the F0. A new perceptual criteria is proposed to measure the impact of the spectral conversion error. The proposed envelope models show improved spectral conversion performance as well as increased converted-speech quality when compared to Linear Prediction.
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