课堂声学用于提高学生的理解,当老师患有失声声音时
Pasquale Bottalico1, Silvia Murgia1, Taylor Mekus1
1Department of Speech and Hearing Science, University of Illinois Urbana-Champaign.
Language, speech, and hearing services in schools
|June 21, 2023
概括
课堂声学显著影响语音可理解性. 失声的声音和噪音降低了幼儿的清晰度,需要更好的声学条件才能有效地学习.
科学领域:
- 声学科学 声学科学 声学科学
- 语音语言病理学 语言病理学
- 教育听力学教育听力学
背景情况:
- 课堂声学在学生的语音理解和听力容易度方面发挥着至关重要的作用.
- 教师的声音质量,特别是失声的声音,在杂的环境中可以进一步挑战听觉感知.
- 了解这些因素对于优化儿童教育环境至关重要.
研究的目的:
- 评估声学条件,以获得最佳的语音可理解性和减少在小学教室听力困难.
- 研究语音失调和典型的课堂噪音对儿童听觉感知的影响.
- 确定可增强年轻学生学习的声学参数.
主要方法:
- 在六个小学教室,对80名听力正常的学生 (7-11岁) 进行了语音可理解性测试.
- 刺激包括通过头部和干模拟器呈现的正常和模拟的失声声音.
- 儿童语噪音和不同的反响时间被用来实现语音传输指数 (STI) 范围为0.2到0.7.
主要成果:
- 在0.33.3以上的性传播疾病中,失声语音显著降低了可理解性.
- 听力困难在感知失声声音时显著增加.
- 年龄较小的孩子表现更差,对正常的声音有更多的困难;这两个年龄组都受到失声声音的同等影响.
结论:
- 改善课堂声学对于确保良好的可理解性和减少当教师有语音问题时听力困难至关重要.
- 这些发现适用于所有小学年级,强调普遍需要有利的声学条件.
- 优化声学对所有学生都有好处,特别是当教师遇到声乐挑战时.
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