理想化与基于磁共振成像的合成声带模型的流致振动响应。
Flow-induced vibratory response of idealized versus magnetic resonance imaging-based synthetic vocal fold models.
机构信息
Department of Mechanical Engineering, Brigham Young University, Provo, Utah 84602, USA.
出版信息
J Acoust Soc Am. 2010 Sep;128(3):EL124-9. doi: 10.1121/1.3455876.
Abstract
Recent vocal fold vibration studies have used models defined using idealized geometry. Although these models exhibit important similarities with human vocal fold vibration, some aspects of their motion are less than realistic. In this report it is demonstrated that more realistic motion may be obtained when using geometry derived from magnetic resonance imaging (MRI) data. The dynamic response of both idealized and MRI-based synthetic vocal fold models are presented. MRI-based model improvements include evidence of mucosal wave-like motion and less vertical movement. Limitations of the MRI-based model are discussed and suggestions for further synthetic model development are offered.
摘要
最近的声带振动研究使用了基于理想化几何形状定义的模型。尽管这些模型与人类声带振动表现出重要的相似性，但它们的某些运动方面并不符合实际情况。在本报告中，我们证明了当使用源自磁共振成像 (MRI) 数据的几何形状时，可能会获得更逼真的运动。本文呈现了理想化和基于 MRI 的合成声带模型的动态响应。基于 MRI 的模型改进包括粘膜波状运动的证据和较少的垂直运动。讨论了基于 MRI 的模型的局限性，并提出了进一步开发合成模型的建议。
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