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A Comparison of Prosody Modification Using Instants of Significant Excitation and Mel-cepstral Vocoder
Research Area: Speech Analysis Year: 2011
Type of Publication: In Proceedings  
Authors: Bajibabu Bollepalli, Ronanki Srikanth, Sathya Adithya Thati, Bhiksha Raj, B. Yegnanarayana, Kishore S. Prahallad  
In this paper, we compare two methods for prosody (duration and pitch) modification. These are prosody modification using instants of Significant Excitation and Mel-Cepstral vocoder. We show that duration modifications are better using Mel- Cepstral vocoder for higher modification factor while pitch modifications are better using instants of Significant Excitations. In the end we show that Mel-Cepstral vocoder provides flexibility for non-uniform prosody manipulation