| 喉部疾病的四质量块声带模型诊断方法研究 |
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| 引用本文： | 程启明. 喉部疾病的四质量块声带模型诊断方法研究[J]. 中国生物医学工程学报, 1994, 13(3): 212-217,221 |
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| 作者姓名： | 程启明 |
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| 作者单位： | 江苏省盐城工业专科学校电气系 |
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| 摘 要： | 本文提出了一种新的声带模型－非对称四质量块声带模型，给出了它的数学表达式和等效电路，说明了在ＩＢＭ－ＰＣ微机上得已知的语音信号拟合声带参数的方法，改进了语音嘶哑度的衡量方法，最后应用这种模型对各种正常语音和喉疾患者术前术后的嘶哑语音进行了分析比较，实验结果表明此模型的分析方法可作为嘶音分析和喉疾诊断的一种手段。
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| 关 键 词： | 喉疾病 声带模型 声门波 嘶哑度 |
NEW VOCAL CORD MODEL FOR SPEECH DIAGNOSIS OF LARYNGEAL DISEASES |
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| Cheng Qi-ming. NEW VOCAL CORD MODEL FOR SPEECH DIAGNOSIS OF LARYNGEAL DISEASES[J]. Chinese Journal of Biomedical Engineering, 1994, 13(3): 212-217,221 |
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| Authors: | Cheng Qi-ming |
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| Abstract: | A new vocal cord model asymmetrical four-mass model-was proposed,and its mathematical expression and equivalent circuit of the model were given.The parameters of vocal cords were drawn on IBM-PC microcomputer with a given speech signal.Moreover,the method of measuring hoarse speech degree was improved,and the hoarse speech signals of some typical cases were analyzed and the results compared with those of other methods.The results reveal that the asymmetrical four-mass model analysis ofvocal cords was efficient for analysis of hoarse speech and diagnosis of laryngeal diseases. |
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| Keywords: | Speech diagnosis of laryngeal diseases Asymmetrical four-massmodel of vocal cords Glottal waveform Hoarseness degree |
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