1. K. Tokuda, T. Yoshimura, T. Masuko, T. Kobayashi, T. Kitamura, Speech parameter generation algorithms for HMM-based speech synthesis, in Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (2000), pp. 1315–1318
2. K. Tokuda, T. Mausko, N. Miyazaki, T. Kobayashi, Multi-space probability distribution HMM. IEICE Trans. Inf. Syst. E85-D(3), 455–464 (2002)
3. J. Yamagishi, Z. Ling, S. King, Robustness of HMM-based speech synthesis, in Proceedings of the Interspeech (2008), pp. 581–584
4. D. Talkin, A robust algorithm for pitch tracking (RAPT), in Speech Coding and Synthesis (Elsevier Science, Amsterdam, 1995), pp. 495–518
5. P. Boersma, Accurate short-term analysis of fundamental frequency and the harmonics-to-noise ratio of a sampled sound. Inst. Phon. Sci. 17, 97–110 (1993)