Acoustic Analysis of Voice Following Different Phonation Conditions in Children
- VernacularTitle:不同发声方式下正常儿童嗓音的声学分析
- Author:
Liang CHAI
;
Shilin YANG
- Publication Type:Journal Article
- Keywords:
Voice quality Acoustic analysis
- From:
Journal of Audiology and Speech Pathology
1997;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To assess voice parametric characteristics of normal children in different age?sex?and phonation conditions. Methods Voice data of 240 children were collected and analyzed with Dr. Speech software. Acoustic signal data were measured in three phonation conditions: the lowest modal voice, natural voice, the highest modal voice. Results Perturbations and normalized noise energy from the highest value to the lowest one by one were that of the lowest modal voice, natural voice, the highest modal voice. The sequences of standard deviation of fundamental frequency were that of the highest modal voice, the lowest modal voice, natural voice. Conclusion The voice quality of normal children had distinctive characteristics in different phonation conditions.
