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Volume 29 Issue 7
Jan.  2011
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Yan Run-qiang, Zhu Yi-sheng. Voiced/unvoiced Decision Based on Recurrence Quantification Analysis[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1703-1706. doi: 10.3724/SP.J.1146.2005.01659
Citation: Yan Run-qiang, Zhu Yi-sheng. Voiced/unvoiced Decision Based on Recurrence Quantification Analysis[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1703-1706. doi: 10.3724/SP.J.1146.2005.01659

Voiced/unvoiced Decision Based on Recurrence Quantification Analysis

doi: 10.3724/SP.J.1146.2005.01659 cstr: 32379.14.SP.J.1146.2005.01659
  • Received Date: 2005-12-22
  • Rev Recd Date: 2006-08-29
  • Publish Date: 2007-07-19
  • Voiced/unvoiced decision is an important component in speech signal processing. In this paper, different topological structures in Recurrence Plots (RPs) are described for the different physical models of speech production. By statistically analyzing the determinism and the normalized maximal length of diagonal structures acquired from Recurrence Quantification Analysis (RQA), a flexible and efficient decision framework is proposed. Comparing with some traditional methods, the proposed algorithm has lower wrong decision rate. The method provides a new way for feature extraction and speech recognition.
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