整个生命周期的声学测量:基本频率的震动,闪和标准偏差
Evelyn Alves Spazzapan1, Eliana Maria Gradim Fabbron1, Willians Walace Fante Toledo1
1São Paulo State University, Marília, São Paulo, Brazil.
Journal of voice : official journal of the Voice Foundation
|December 10, 2024
概括
声学语音参数,如动,闪和基本频率的标准偏差 (dp fo) 在整个生命周期中发生变化. 这些声量在儿童中升高,在成年人中稳定,在老年人中显示微小的变化.
科学领域:
- 语音和听力科学 语言和听力科学
- 声学语音学的声音学
- 语言学的语言学.
背景情况:
- 语音声学参数对于评估语音健康至关重要.
- 了解与年龄相关的声音变化对于临床诊断和研究至关重要.
- 之前的研究已经探索了声音衰老,但全面的寿命分析是有限的.
研究的目的:
- 调查声音声学参数的年龄相关变化:震动,闪和基本频率的标准偏差 (dp fo).
- 为了分析这些参数在广泛的生命周期的声音健康的巴西葡萄牙语说话者.
- 为了在整个生命中识别声声学参数的基于性别的差异.
主要方法:
- 分析了5至93岁的526个声声健康个体的语音录音.
- 分类为12个不同的年龄组进行比较分析.
- 使用多维语音程序软件进行声学分析,以测量,闪和dp fo,并通过双向ANOVA和Sidak Post-Hoc测试进行统计分析.
主要成果:
- 儿童比老年人有更高的Jitter,女性比男性有更高的Jitter值. 在成年人或老年人中,震并没有随着年龄的增长而显著改变.
- 闪光在儿童中升高,在成年人中稳定,在老年男性中对声音变化敏感. 对于Shimmer,没有发现一般的性别差异.
- 基本频率的标准偏差 (dp fo) 在儿童中最高,随着年龄的增长而下降,直到成人稳定. 女性的dp fo比男性更高.
结论:
- ,闪和dp fo在人类一生中表现出显著的变化.
- 这些声乐参数在童年时是升高的,在成年时保持稳定,在老年时经历最小的变化.
- 结果为不同年龄组和性别的声声学参数提供了规范性数据.
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