PHYSIOLOGICAL CORRELATES OF THE INVERSE FILTERED FLOW WAVE-FORM

被引：41

作者：

HERTEGARD, S

GAUFFIN, J

KARLSSON, I

机构：

[1] Department of Logopedics and Phoniatrics, Karolinska Institute, Stockholm

[2] Department of Speech Communication and Music Acoustics, Royal Institute of Technology, Stockholm

来源：

JOURNAL OF VOICE | 1992年 / 6卷 / 03期

关键词：

INVERSE FILTERING; FLOW GLOTTOGRAM; WAVE-FORM OFFSET; POSTERIOR CHINK;

D O I：

10.1016/S0892-1997(05)80147-X

中图分类号：

R36 [病理学]; R76 [耳鼻咽喉科学];

学科分类号：

100104 ; 100213 ;

摘要：

The relationships between inverse filtered transglottal airflow waveforms, acoustic parameters, and glottal vibratory patterns were examined for five normal speakers, two males and three females, by means of inverse filtering of the flow, electroglottography, and videostroboscopy. It was found that for phonations in the normal frequency range for speech with complete glottal closure, the offset from zero flow of the waveform during the closed phase can be up to 20-30 ml/s. We suggest that the cause of the offset is vertical movements of the vocal folds. A pronounced mucosal wave and/or the intraglottal air volume might often result in a small hump at the beginning of the closed phase of the flow glottogram. For females, the frequently observed posterior chink between the arytenoid cartilages during phonation resulted in a waveform offset up to 50-60 ml/s.

引用

页码：224 / 234

页数：11

共 52 条

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