在第二语言 (L2) 英语学习者中,普通话-英语代码交换的语音特征
1Department of English, National Taiwan Normal University, 162 Heping East Road, Daan District, Taipei City 106, Taiwan.
The Journal of the Acoustical Society of America
|June 20, 2025
概括
中国普通话和代码交换语音比只讲英语的语音表现出更具动态的音调调制. 语音变化也差异很大,代码交换语音显示最不稳定.
科学领域:
- 语言学的语言学.
- 语音学 语音学 语音学
- 语音科学 语言科学
背景情况:
- 对于语言学和语音治疗等领域来说,了解单语和双语演讲的语音差异至关重要.
- 代码交换在双语者中很常见,具有独特的语音挑战和特征.
- 汉语是一种音调语言,与英语等非音调语言相比,它具有明显的音调特征.
研究的目的:
- 调查和比较只有普通话,只有英语和代码交换话语的语音特征.
- 确定区分这三种语言条件的关键声学特征.
- 探索普通话的音色性质和代码切换复杂性的语音产生影响.
主要方法:
- 在句子,短语和关键词中分析语音特征.
- 主要组件分析 (PCA) 的应用,以识别区分声学组件.
- 测量音调 (基本频率) 和声音变化 (,闪,HNR).
主要成果:
- 前三个主要组成部分 (总体音调,声调变化,句子级音调变化) 解释了78.8%的语言条件之间的变化.
- 只有普通话和代码交换的语音表现出比只有英语的语音更灵活的音调调制.
- 在代码交换语音中,语音变化率最高 (最不稳定),仅在普通话语中适度,仅在英语语音中最低 (最稳定).
结论:
- 语音特征,特别是音调调和声调变化,在只有普通话,只有英语和代码切换语音之间存在显著差异.
- 汉语的音调性质和代码交换的认知负载有助于增加音调动态.
- 汉语和英语之间的发音类型的差异影响了声乐的变化,代码切换增加了进一步的不稳定性.
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