Pitch contour stylization using an optimal piecewise polynomial approximation

IEEE Signal Processing Letters

Volumn 16, Issue 9, 2009, Pages 810-813

  Ghosh, Prasanta Kumar ^a   Narayanan, Shrikanth S ^a  

^a University of Southern California   (United States)

Author keywords

Piecewise polynomial approximation; Pitch stylization

Indexed keywords

APPROXIMATION ERRORS; APPROXIMATION METHODS; DISCRETE DATA; MINIMUM MEAN SQUARE ERROR (MSE); OBJECTIVE EVALUATION; PIECEWISE POLYNOMIAL APPROXIMATION; PITCH CONTOURS; PITCH STYLIZATION; SUBJECTIVE EVALUATIONS; SYNTHESIZED SPEECH;

CONTINUOUS SPEECH RECOGNITION; DYNAMIC PROGRAMMING; MEAN SQUARE ERROR; QUALITY CONTROL;

POLYNOMIAL APPROXIMATION;

EID: 79959455022     PISSN: 10709908     EISSN: None     Source Type: Journal    
DOI: 10.1109/LSP.2009.2025824     Document Type: Article

References (17)

1. R. Nygaard and D. Haugland, "Compressing ECG signals by piecewise polynomial approximation," in Proc. ICASSP, May 1998, vol. 3, pp. 1809-1812.
2. Z. Han, S. Zhang, H. Zhang, and B. Xu, "A vector statistical piecewise polynomial approximation algorithm for environment compensation in telephone LVCSR," in Proc. ICASSP, Apr. 2003, vol. 2, pp. 117-120.
3. S. Y. C. Catunda, O. R. Saavedra, J. V. FonsecaNeto, and M. R. A. Morais, "Look-up table and breakpoints determination for piecewise linear approximation functions using evolutionary computation," in Proc. IMTC, May 2003, vol. 1, pp. 435-440.
4. S. Ravuri and D. P. W. Ellis, "Stylization of pitch with syllable-based linear segments," in Proc. ICASSP, April 2008, pp. 3985-3988.
5. D. Wang and S. Narayanan, "Piecewise linear stylization of pitch via wavelet analysis," in Proc. Eurospeech, Lisbon, Portugal, Oct. 2005, pp. 3277-3280.
6. D. Hirst and R. Espesser, "Automatic modelling of fundamental frequency using a quadratic spline function," Travaux Inst. Phontique d'Aix, vol. 15, pp. 75-85, 1993.
7. C. d'Alessandro and P. Mertens, "Automatic pitch contour stylization using a model of tonal perception," Comput. Speech Lang., vol. 9, pp. 257-288, 1995.
8. P. Taylor, "The tilt intonation model," in Proc. ICSLP, 1998, pp. 1383-1386.
9. A. Cantoni, "Optimal curve fitting with piecewise linear functions," IEEE Trans. Comput., vol. C-20, no. 1, pp. 59-67, Jan. 1971.
10. I. Tomek, "Two algorithms for piecewise-linear continuous approximation of functions of one variable," IEEE Trans. Computers, vol. C-23, no. 4, pp. 445-448, Apr. 1974.
11. M. Trajkovic and M. Hedley, "Recursive formulae for piecewise polynomial approximation of discrete functions," Novi Sad J. Math., vol. 28, no. 2, pp. 31-35, 1998.
12. M. Obata, K. Wada, K. Toraichi, K. Mori, and M. Ohira, "An approximation of data points by piecewise polynomial functions and their dual orthogonal functions," Signal Process., vol. 80, pp. 507-514, 2000. (Pubitemid 30552320)
13. D. York, "Least-square fitting of a straight line," Can. J. Phys., vol. 44, pp. 1079-1086, 1966.
14. 0 stylization in speech: Straight lines versus parabolas," J. Acoust. Soc. Amer., vol. 90, no. 6, pp. 3363-3370, Dec. 1991.
15. DARPA-TIMIT Acoustic-Phonetic Continuous Speech Corpus, NIST Speech Disc 1-1.1, 1990.
16. D. Talkin, "A robust algorithm for pitch tracking (RAPT)," in Speech Coding and Synthesis, W. B. Kleijn and K. K. Paliwal, Eds. New York: Elsevier, 1995, pp. 495-518.
17. W. Roucos and A. M. Wilgus, "High quality time-scale modification for speech," in Proc. IEEE ICASSP, 1985, vol. 2, pp. 493-496.