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文件名称: Cepstrum-Based Pitch Detection Using a New.pdf
  所属分类: 专业指导
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  文件大小: 143kb
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  上传时间: 2011-03-18
  提 供 者: qcj****
 详细说明: An improved cepstrum-based voicing detection and pitch determination algorithm is presented. Voicing decisions are made using a multifeature voiced/unvoiced classification algorithm based on statistical analysis of cepstral peak, zero-crossing rate, and energy of short-time segments of the speech signal. Pitch frequency information is extracted by a modified cepstrum-based method and then carefully refined using pitch tracking, correction, and smoothing algorithms. Performance analysis on a large database indicates considerable improvement relative to the conventional cepstrum method. The proposed algorithm is also shown to be robust to additive noise. ...展开收缩
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