应用非线性动力学理论来理解人类的正常和病态声音
1Department of Experimental Physics, Faculty of Science, Palacky University Olomouc, Olomouc 77900, Czech Republic.
概括
非线性动力学理论解释了复杂的语音行为,如粗的声音和断声. 了解声振动及其相互作用是诊断语音障碍和改善语音教学的关键.
科学领域:
- 声音科学 声音科学
- 生物声学是一种生物声学.
- 非线性动力学是一种非线性动力学.
背景情况:
- 自20世纪90年代以来应用于语音科学的非线性动力学理论,为理解复杂的人类语音产生提供了一个框架.
- 这一理论解释了在病理和艺术语音使用中观察到的诸如低调振荡,粗的语音质量,注册断裂和间歇性无声症等现象.
- 声振动和基本频率的突然变化与声特性,空气流和声学共振的微妙变化有关.
研究的目的:
- 审查与人类语音产生相关的非线性动态的关键概念.
- 突出声自身模式的作用及其在语音现象中的相互作用.
- 要强调这种理解对于诊断和治疗语音障碍以及语音教学的重要性.
主要方法:
- 在非线性动力学中审查已确立的原则.
- 这些原则应用于人类语音生成的生物力学.
- 分析声动态,空气流和声学共振之间的相互作用.
主要成果:
- 非线性动力学优雅地解释了以前不太了解的复杂语音行为.
- 声自身模式的相互作用,彼此之间和周围结构,对于语音产生至关重要.
- 在声几何学,力学,对称性或肺压力的微妙变化可以导致显著的振动模式转移.
结论:
- 对非线性动力学的彻底理解对于推进语音科学至关重要.
- 了解声固态相互作用和声学合的知识可以改善语音障碍的诊断和治疗.
- 这种理论框架对当代歌唱和声乐教学有着重大影响.
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