基本频率的时间集成曲率作为一个新的方法来调音复杂性:从第一语言调音开发的洞察力
1Institute of Modern Languages and Linguistics, Fudan University, Shanghai, China.
概括
一种使用时间整合曲率的新方法有效地捕捉了跨年龄组的语音基本频率 (F0) 变化. 这种方法为第一语言发音开发提供了有价值的见解,并在语音病理学和法医科学中有应用.
科学领域:
- 语言学的语言学.
- 语音科学 语言科学
- 声学语音学的声音学
背景情况:
- 测量基本频率 (F0) 变量的传统方法往往缺乏时间细节或难以解释.
- 像范围和变量系数这样的现有指标可能无法完全捕捉语音中的动态音调变化.
研究的目的:
- 引入和评估一种使用时间集成曲率计算F0变量的新方法.
- 为了将这种新方法与成人和儿童的传统措施 (范围,变化系数) 进行比较.
主要方法:
- 计算F0的时间整合曲率是使用F0.0的平方和规范化的第二导数来计算的.
- 使用线性混合效应模型来评估年龄组对F0变化度量的影响.
- 分析了成人和儿童的语音语料库.
主要成果:
- 时间整合曲率和变化系数都显示出年龄组的显著影响.
- 变化系数将成年人与儿童大致区分开来,而时间整合曲率显示了相邻年龄组之间的相似性.
- 这些发现与先前的研究关于发展 pitch 轮复杂性的研究一致.
结论:
- 新的时间整合曲率方法为第一语言音调开发提供了宝贵的见解.
- 这种方法适用于分析语音病理学和法医语音比较等领域的依赖时间的F0变化.
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