多任务喋喋不休的噪音对患有喉功能缺陷 (VPI) 的儿童语音可理解性的影响
Hedieh Hashemi Hosseinabad1, Xiuqin Bai2
1Department of Audiology and Speech Language Pathology, College of Health and Public Service, University, of North Texas, Denton, Texas, USA.
概括
背景噪音显著降低了语音可理解性,特别是在患有耳鼻缺陷 (VPI) 的人群中. 发音准确度,而不是鼻音,是VPI扬声器在噪音条件下清晰演讲的关键.
科学领域:
- 语音语言病理学 语音语言病理学
- 听力学 听力学是指听力学.
- 生物医学工程 生物医学工程
背景情况:
- 语音可理解性受到说话者,听众和环境因素的影响.
- 测量患有耳鼻功能缺陷 (VPI) 的儿童的语音可理解性具有临床挑战,特别是在现实世界中杂的条件下.
- 背景噪音可以降低言语障碍患者的言语理解能力.
研究的目的:
- 调查背景噪音对VPI扬声器与典型扬声器相比的扬声器语音可理解性的影响.
- 为了确定鼻音和口音精度对VPI扬声器语音可理解性判断的贡献.
- 评估在杂环境中语音可理解性测量的临床相关性.
主要方法:
- 从15名VPI演讲者和典型同行那里收集了从噪音听力测试中20个句子的音频录音.
- 在安静和杂的 (+5 dB SNR) 条件下,向70名天真的听众展示了语音样本.
- 知识度得分是用正确转录单词的百分比来计算的.
主要成果:
- VPI诊断和背景噪声显著影响了理解度得分 (p < 0.001).
- 发音准确度 (正确辅音的百分比) 显著预测了VPI扬声器在安静和噪音条件下的可理解性 (p <0.05).
- 在这两种条件下,纳萨兰斯分数并没有对理解能力做出显著贡献.
结论:
- 背景噪音显著降低了语音可理解性,VPI扬声器的效果更为明显.
- 发音准确性是VPI语音可理解性的关键因素,无论噪音如何.
- 语音可理解性的临床评估应考虑背景噪声的影响,并专注于VPI群体的发音精度.
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