强制低声对语音参数有影响吗?
Matthias Echternach1, Marie Köberlein2, Michael Döllinger3
1Division Phoniatrics and Pediatric Audiology, Department of Otolaryngology, Munich University Hospital and Faculty of Medicine, Munich University (LMU), Campus Großhadern, Marchioninistraße 15, 81377, Munich, Germany. matthias.echternach@med.uni-muenchen.de.
概括
强迫低声对健康个体的声功能和声振荡模式的影响很小. 这项研究表明,当前反对在手术后低声说话的建议可能需要重新评估.
科学领域:
- 喉科和声音科学 喉科和声音科学
- 语音功能分析 语音功能分析
- 声外科手术 康复 康复
背景情况:
- 语音手术后,由于假定会对声功能产生负面影响,因此通常不建议低声.
- 低声对声动力学和整体声音健康的确切影响仍然不完全理解.
研究的目的:
- 调查强制低声对声功能和声振荡模式在声音健康的受试者强制低声的影响.
- 提供客观数据,为临床建议提供有关手术后耳语的信息.
主要方法:
- 十名健康的参与者 (5名男性,5名女性) 接受了10分钟的强制低语任务,在70dB (A).
- 在干预之前和之后,使用失声严重程度指数 (DSI) 评估声功能.
- 在持续的母音发音过程中进行了高速视频喉腔镜 (HSV),电镜 (EGG) 和音频信号分析.
主要成果:
- 在低语后,观察到最小强度,状区域波形衍生的开放系数和状间隙指数的轻微增加.
- 没有发现声与噪声比率 (HNR),声与噪声激发比率 (GNE) 或电声学开放系数的统计学意义上的变化.
结论:
- 强迫低声只会导致健康个体的声音功能发生轻微变化.
- 这些发现表明,低声对声功能的有害影响可能比以前假设的要小.
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