4—8岁儿童嗓音声学参数结果分析

目的 掌握正常学龄前及学龄期儿童的嗓音数据，为病理嗓音提供参考标准。方法 用Dr.speech嗓音分析软件采集4－6岁（学龄前）及7－8岁（学龄期）各120例儿童的嗓音资料，并对取得的数据进行统计分析。结果 测出学龄前期及学龄期儿童嗓音的基频微扰、振幅微扰、信噪比、谐噪比、噪声能量、平均基频及第一至第三共振峰，在性别及年龄段之间均无明显差异。结论 正常学龄前儿童和学龄儿童间所有参数均无差异。正常儿童与声带小结等喉疾患儿间各项参数有非常显著差异。

Analysis of Fundamental Frequency and Voice Parameter From 4 to 8 Years Old Children

Objective To study and analyse the parameter values of voice in normal healthy preschool children and school-age children. Methods In present paper, voice quality of 120 cases were collected and analyzed with Dr. Speech software. Results There were no differences between preschool and school-age children on parameters jitter, shimmer, SNR, HNR, NNE, F 0, F 1,F 2,F 3 of voice acoustic and so in difference gender. Conclusion All parameters in preschool children and school-age children showed no difference. The tested parameters were significantly different between normal children and children with vocal nodule.