| 短时非线性预测方法对汉语语音特性的研究 |
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| 引用本文： | 徐歆,胡水清,陶超,杜功焕. 短时非线性预测方法对汉语语音特性的研究[J]. 应用声学, 2003, 22(5): 36-40,44 |
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| 作者姓名： | 徐歆 胡水清 陶超 杜功焕 |
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| 作者单位： | 南京大学声学研究所近代声学国家重点实验室,南京,210093 |
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| 基金项目： | 国家自然科学基金(10074035和19834040) |
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| 摘 要： | 本文应用Short[8-10]改进了的短时非线性预测方法对正常语速的汉语音节和短语进行了分析!究，揭示了汉语语音中浊音和清音的短时非线性预测能力的差异，并且发现这种差异即使在强背景噪声下仍能用短时非线性预测方法加以辨别。这些为浊音和清音的切分提供了一种可能性手段。
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| 关 键 词： | 短时非线性预测 汉语 语音 特性 短语 浊音 清音 差异 噪声 语音发声系统 |
Study on Chinese speech characteristics by short-term nonlinear prediction |
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| XU Xin,HU Shuiqing,TAO Chao and DU Gonghuan. Study on Chinese speech characteristics by short-term nonlinear prediction[J]. Applied Acoustics(China), 2003, 22(5): 36-40,44 |
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| Authors: | XU Xin HU Shuiqing TAO Chao DU Gonghuan |
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| Affiliation: | State Key Lab of Modern Acoustics &; Institute of Acoustic, Nanjing University, Nanjing 210093;State Key Lab of Modern Acoustics &; Institute of Acoustic, Nanjing University, Nanjing 210093;State Key Lab of Modern Acoustics &; Institute of Acoustic, Nanjing University, Nanjing 210093;State Key Lab of Modern Acoustics &; Institute of Acoustic, Nanjing University, Nanjing 210093 |
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| Abstract: | This paper studies the characteristics of Chinese speech using the short-term nonlinear prediction method improved by Short. It is found that the accuracy of the short-term predictions of voiced speech signal and unvoiced speech signal is distinctly different, even in a strong noise background. So the method offers a potential method to divide the voiced speech from the unvoiced. |
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| Keywords: | Short-term nonlinear prediction Correlation coefficient Speech division |
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