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英语在西班牙语第二语言学习者的竞争性演讲中的重要性

Emily Buss¹, Sofia C F Hall², Stefani Garcia²

¹Department of Otolaryngology/Head and Neck Surgery, University of North Carolina, Chapel Hill, North Carolina 27599, USA.

The Journal of the Acoustical Society of America

|August 22, 2025

概括

与母语学习者相比,英语第二语言学习者表现出不同的语音接收值,但在语音识别中使用类似的谱线. 它们的表现受掩面类型和语义上影响.

科学领域:

听觉神经科学
语音感知
获取第二语言

背景情况:

对于母语 (L1) 的人来说,英语语音噪声的频段重要性函数 (BIF) 已经很成熟.
关于语音识别的BIF数据有限,特别是对于第二语言 (L2) 学习者.
在复杂的听觉环境中理解L2语音感知对于有效的沟通至关重要.

研究的目的:

在西班牙语/英语双语 (L2学习者) 的双语背景下评估英语句子的BIF.
将L2学习者的BIF与两个母语英语 (L1) 组的BIF进行比较.
调查面膜类型 (二声与单声) 如何影响L1和L2扬声器的语音识别.

主要方法:

参与者包括L2英语学习者和两个L1英语组.
语音接收值 (SRT) 被测量为两个说话者面具中的句子.
用二氧化面膜 (MoTm) 或单声面膜 (MmTm) 呈现刺激.

主要成果:

在MoTm条件下,L2扬声器的SRT比L1扬声器高,但在更具挑战性的MmmTm条件下性能相似.
与L1说话者相比,L2说话者表现出较浅的心理功能,并且从语义上受益较少.
目标说话者之间的BIF不同,但在L1和L2组中一致,表明他们共同依赖光谱线索.

结论:

尽管性能差异很大,但L1和L2说话者在语音识别中使用类似的光谱线索.
语言学习者的语音感知受到面具特征和语义处理局限的影响.
这些发现强调了在语音感知研究中考虑口罩类型和听众背景的重要性.

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