汉族、纳西族、白族正常儿童嗓音声学和电声门图参数调查及其异同分析

Analysis on voice acoustic parameters and electroglottographic parameters in normal children of Han、Naxi、Bai nationality

目的 :探索汉族、纳西族、白族正常儿童嗓音声学和电声门图参数正常值及三者间差异。方法 :对 3个民族中 95 1例 4～ 8岁正常儿童用电子计算机及 Dr.speech系统软件进行嗓音声学 6项参数及电声门图 6项参数检测。并对同年龄组的声带小结和局部增厚患儿 30例进行检测。结果 :测出 3个民族的儿童嗓音声学和电声门图主要参数 ( 1基频微扰 2振幅微扰 3平均基频 4基频方差 5噪声能量 ) ,并列表对比分析。结论 :1汉族学龄前儿童和学龄儿童间全部参数无明显差异。但纳西族和白族学龄前儿童和学龄儿童间平均基频、基频方差均有明显差异。汉族与纳西族、白族间学龄儿童的平均基频、基频方差有非常显著性差异 ;

Objective:To explore the normal vocal acoustic parameters and electroglottographic (EGG) parameters and their differences in normal children of the Han,the Naxi,the Bai nationality.Method:By using computer and Dr.speech software,We studied six parameters of voice acoustic and the E.G.G in 951 children (Han 342,Naxi 224,Bai 385),aged 4～8 years old. We also examined 30 cases who suffered from vocal nodule and local proliferation. Result:The major parameters(①Jitter,②Shimmer,③Mean F0,④SD F0,⑤NNE)of the voice acoustic and E.G.G of the three nationality.Conclusion:①All parameters in Han nationality schoolage children and preschool children were not different in years old. But Naxi and Bai nationality schoolage children′s Mean F0 and SD F0 were different from preschool children. The parameters(Mean F0,SD F0)of schoolage children in Han、 Naxi and Bai nationality were significant different.②The tested parameters were significant different between normal children of the Han nationality and the vocal nodule patients.