发声性别差异的空气动力学建模研究

Vocal aerodynamics modeling based on gender difference

目的:通过对男女性发声器官的仿真建模研究,探讨男女性发声空气动力学关键参量的差异及其对发声的影响,揭示男女性声带振动效能的差异,为临床嗓音疾病的分性别精确诊疗、语音产生的建模及语音性别转换及合成提供理论基础。方法:分别对男女性声带的组织形态进行数值建模,再采用有限元计算方法对男女性发声过程中声带的不同组织形态进行空气动力学仿真,并对男女性发声空气动力学参量进行对比研究。结果:作用于女性声带表面的压力值更高,女性声带更容易产生更低的压力极低值点,对应较小的声门气流及更高的发声效率。结论:男女性发声存在着明显的差异,对临床仿音疾病进行分性别诊疗可提高病情评估的准确性和可靠性。

Objective To implement simulation modeling of vocal organs of males and females to explore the differences of key aerodynamics parameters and their effects on phonation, so as to lay a foundation for gender-based therapy, modeling on speech generation, speech synthesis and etc.Methods Digital modeling was carried out for the vocal cords of the males and females respectively, and then finite element calculation was used for aerodynamics simulation of different tissue mor- phologies of the vocal cords. The vocal aerodynamics parameters were compared for the males and females. Results The pressure on the surface of the female vocal cord was higher than that of the male, and might result in lower glottal flow and higher phonation efficiency.Conclusion The male and female have differences in the phonation, and gender-based diagno- sis may enhance the accuracy and reliability of the therapy of the phonation diseases.