Prediction of Cepstral Excitation Pulses for Voice Conversion

Fadoua Bahja 1 Joseph Di Martino 2 El Hassan Ibn Elhaj 3 Driss Aboutajdine 1
1 GSCM-LRIT - Laboratoire de Recherche en Informatique et Télécommunications [Rabat]
2 PAROLE - Analysis, perception and recognition of speech
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
3 INPT - Institut National de Postes et Télécommunications [Rabat]
Abstract : Voice conversion is one of useful techniques to enhance pathological speech to be perceived as normal speech, although it concerns also the modifications of normal source speaker's speech to be perceived as if a target speaker had uttered it. The parameters to be converted are obtained by matching the spectral envelope of the vocal tract for the source and the target speech. Gaussian Mixture Models (GMMs) parameters are determined for providing conversion functions. The main contribution of our study consists in the prediction of Fourier cepstrum coefficients related to the excitation signal. Such a prediction leads to a satisfactory voice conversion system. Subjective perceptual results indicate that the proposed approach yields significant improvements in quality of the converted voice.
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Communication dans un congrès
5th. International Conference on Information Systems and Economic Intelligence - SIIE ̓ 2012, Feb 2012, Djerba, Tunisia. 2012
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Soumis le : lundi 10 décembre 2012 - 09:43:12
Dernière modification le : jeudi 11 janvier 2018 - 06:19:56
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Fadoua Bahja, Joseph Di Martino, El Hassan Ibn Elhaj, Driss Aboutajdine. Prediction of Cepstral Excitation Pulses for Voice Conversion. 5th. International Conference on Information Systems and Economic Intelligence - SIIE ̓ 2012, Feb 2012, Djerba, Tunisia. 2012. 〈hal-00761776〉

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