ELASTIC MODELS OF VOCAL FOLD TISSUES

被引：118

作者：

ALIPOURHAGHIGHI, F

TITZE, IR

机构：

[1] Department of Speech Pathology and Audiology. The University of Iowa, Voice Acoustics and Biomechanics Laboratory.

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1991年 / 90卷 / 03期

关键词：

D O I：

10.1121/1.401924

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Elastic properties of canine vocal fold tissue (muscle and mucosa) were obtained through a series of experiments conducted in vitro and were modeled mathematically. The elastic properties play a significant role in quantitative analysis of vocal fold vibrations and theory of pitch control. Samples of vocalis muscle and mucosa were dissected and prepared from dog larynges a few minutes premortem and kept in a Krebs solution at a temperature of 37 +/- 1-degrees-C and a pH of 7.4 +/- 0.05. Samples of muscle tissue and mucosa were stretched and released in a slow, sinusoidal fashion. Force and displacement of the samples were measured with a dual-servo system (ergometer). After digitization, stress-strain data for samples of muscle tissue and cover tissue were averaged. The stress-strain data were then fitted numerically by polynomial and exponential models.

引用

页码：1326 / 1331

页数：6

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