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Volume 30 Issue 2
Jan.  2011
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Hu Ying, Chen Ning . Voiced/Unvoiced Classification and Pitch Period Detection Algorithm Based on Wavelet Transform[J]. Journal of Electronics & Information Technology, 2008, 30(2): 353-356. doi: 10.3724/SP.J.1146.2006.01066
Citation: Hu Ying, Chen Ning . Voiced/Unvoiced Classification and Pitch Period Detection Algorithm Based on Wavelet Transform[J]. Journal of Electronics & Information Technology, 2008, 30(2): 353-356. doi: 10.3724/SP.J.1146.2006.01066

Voiced/Unvoiced Classification and Pitch Period Detection Algorithm Based on Wavelet Transform

doi: 10.3724/SP.J.1146.2006.01066
  • Received Date: 2006-07-18
  • Rev Recd Date: 2006-12-20
  • Publish Date: 2008-02-19
  • This paper proposes a robust pitch period detection method based on wavelet transformation. A Voiced Regions Detection(VRD)algorithm based on wavelet transform and Teager energy operator is proposed firstly. Then an algorithm based on spatial correlation function for estimating pitch frequency only in voiced regions is presented. Experiments show that this algorithm has a better robustness and more precision compared with the classical wavelet-based methods and auto-correlated function (ACF).
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  • Rabiner L R, Cheng M J, and Rosenberg A E, et al.. Acomparative performance study of several pitch detectionalgorithms. IEEE Trans. on Acoustics, Speech, and SignalProcessing, 1976, ASSP-24(5): 399-418.[2]Mallat S and Zhong S. Characterization of signals frommultiscale edges. IEEE Trans. on PAMI, 1992, 14(7):710-732.[3]Kadambe S and Boudreaux-Bartels G F. Application of thewavelet transform for pitch detection of speech signal[J].IEEETrans. on Information Theory.1992, 38(2):917-924[4]王长富, 戴蓓倩, 等. 基于声门闭合时刻的语音基音周期的提取. 中国科学技术大学学报, 1998, 28(3): 362-367.Wang Chang-fu and Dai Beiqian, et al.. Pitch periodextraction of speech signals based on estimation of glottalclosure intants. Journal of China University of Science andTechnology, 1998, 28(3): 362-367.[5]Obaidat M S, Lee C, Sadoun B, and Nelson D. Estimation ofpitch period of speech signal using a new dyadic waveletalgorithm[J].Information Sciences.1999, 119(122):21-39[6]Kaiser J F. On a simple algorithm to calculate the energy of asignal. Proceedings of IEEE International Conference onAcoustics.[J].Speech and Signal Processing (ICASSP90),Albuquerque, USA.1990,:-[7]Bahoura M and Rouat J. Wavelet speech enhancement basedon the Teager energy operator[J].IEEE. Signal ProcessingLetters.2001, 8(1):10-12[8]Xu Yansun, et al.. Wavelet transform domain filters: Aspatially selective noise filtration technique[J].IEEE Trans. onImage Processing.1994, 3(6):747-758[9]Wang Yiyuan and Zhao Liming. Pitch frequency estimationof Chinese multi-syllable words based on wavelet transform.Proceedings of the Third International Conference onMachine Learning and Cybernetics, Shanghai, China, 2004:26-29.
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