SHORT-TERM STABILITY MEASURES FOR THE EVALUATION OF VOCAL QUALITY

被引:47
作者
FEIJOO, S
HERNANDEZ, C
机构
[1] Dept. de Fisica Aplicada, Facultad de Fisica, Universidad de Santiago, 15706 Santiago, La Coruna
来源
JOURNAL OF SPEECH AND HEARING RESEARCH | 1990年 / 33卷 / 02期
关键词
Acoustic analysis; Acoustic measures of voice; Laryngeal disorder; Vocal quality;
D O I
10.1044/jshr.3302.324
中图分类号
H [语言、文字];
学科分类号
05 ;
摘要
The vocal quality of 64 normal subjects and 57 subjects suffering various degrees of glottal cancer was investigated using acoustic measures of six different aspects of the voice signal: tone period perturbation, amplitude perturbation, waveform perturbation, vocal noise, spectral periodicity and spectral distortion. The measures were estimated taking the glottal cycle as temporal reference unit to make the influence of the differences in tone period from one person to another as low as possible. The measures were evaluated with regard to (a) their ability to discriminate between healthy and sick subjects, and (b) their correlation with the perceptual evaluation of four trained listeners. The results suggest that signal processing techniques are unsatisfactory for clinical diagnoses but useful for monitoring voice quality.
引用
收藏
页码:324 / 334
页数:11
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