Abstract
A tone codebook mapping method is proposed to obtain a better performance in voice conversion of Mandarin speech than the conventional conversion method which deals mainly with short-time spectral envelopes. The pitch contour of the whole Mandarin syllable is used as a unit type for pitch conversion. The syllable pitch contours are first extracted from the source and target utterances. Time normalization and moving average filtering are then performed on them. These preprocessed pitch contours are classified to generate the source and target tone codebooks, and by associating them, a Mandarin tone mapping codebook is finally obtained in terms of speech alignment. Experiment results show that the proposed method for voice conversion can deliver a satisfactory performance in Mandarin speech.
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© 2006 Springer-Verlag Berlin Heidelberg
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Zuo, G., Chen, Y., Ruan, X., Liu, W. (2006). Mandarin Voice Conversion Using Tone Codebook Mapping. In: Yeung, D.S., Liu, ZQ., Wang, XZ., Yan, H. (eds) Advances in Machine Learning and Cybernetics. Lecture Notes in Computer Science(), vol 3930. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11739685_101
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DOI: https://doi.org/10.1007/11739685_101
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-33584-9
Online ISBN: 978-3-540-33585-6
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