外语口音和法医语音者识别在语音阵列:基于prosody的声学特征的影响
Leônidas Silva1, Plínio A Barbosa2
1Center of Humanities, Department of Modern Languages, State University of Paraíba (Universidade Estadual da Paraíba); leonidas.silvajr@servidor.uepb.com.br.
Journal of visualized experiments : JoVE
|October 14, 2024
概括
这项研究揭示了外国口音发言的显著声学差异,发现像音调和语音质量这样的音特征会影响听众对英语和巴西葡萄牙语口音的感知.
科学领域:
- 语言学的语言学.
- 语音学 语音学 语音学
- 声学语音学的声音学
背景情况:
- 在社会语言学和语言学习中,理解外语口音的演讲至关重要.
- 声声学特征和感知相关性是分析口音差异的关键.
- 以前的研究已经探索了口音感知,但生产和感知之间的直接相关性需要进一步研究.
研究的目的:
- 研究外国口音英语和巴西葡萄牙语的前音声学特征.
- 检查这些外国口音的感知相关性.
- 为了将演讲者的口音制作与听众的感知联系起来.
主要方法:
- 语音制作任务涉及美国L2语言使用者,巴西葡萄牙语使用者和巴西L2英语使用者.
- 使用两种语言的语音阵容进行语音感知任务.
- 统计分析包括通用添加模型,克鲁斯卡尔-瓦利斯和恩的测试,以及声学相似性测试 (表兄弟,欧几里德距离).
主要成果:
- 在语言群体之间发现了关于基本频率 (f0) 变化,持续时间和语音质量的显著声学差异.
- 在语音阵容中,听众的感知受到前奏特征的显著影响,特别是f0,强度和语音质量.
- 声学相似性测试提供了语音特征的定量测量.
结论:
- 在英语和巴西葡萄牙语中,prosodic-acoustic特征明显区分了外语口音的语言.
- 听众对外国口音的判断与特定的声学和声乐线索有很强的相关性.
- 这项研究提供了经验证据,将声学生产特征与跨语言演讲中的感知结果联系起来.
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