COVID-19: Acoustic Measures of Voice in Individuals Wearing Different Facemasks.
COVID-19: Acoustic Measures of Voice in Individuals Wearing Different Facemasks.
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DOI：
10.1016/j.jvoice.2021.06.015
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发表时间：
2023-11
期刊：
影响因子：
--
通讯作者：
Kulesz PA
中科院分区：
文献类型：
--
作者：
Joshi A;Procter T;Kulesz PA
由SARS冠状病毒2（COVID-19）引起的全球健康大流行导致采用口罩作为必要的安全预防措施。根据暴露于病毒的风险水平，所使用的口罩可能会有所不同。这项研究的目的是研究不同类型的口罩（通常由医护人员和公众在COVID-19大流行期间使用）对声音测量的影响。19名成年人（10名女性，9名男性）与正常的语音质量完成了持续的元音任务。所有任务均针对六种面罩条件中的每一种进行：无面罩、布面罩、外科面罩、KN 95面罩以及外科面罩在有面罩和无面罩的KN 95面罩上。在距离扬声器1英尺和6英尺处用声级计进行强度测量。任务记录与1英尺的嘴到麦克风的距离。感兴趣的声学变量是/a/和/i/的基频（F0）和共振峰频率（F1，F2）以及/a/的平滑倒谱峰突出度（CPP）。分析数据以比较性别和口罩类型之间的差异。除/a/的F2和/i/的F1外，雄性和雌性之间的强度测量和所有声学变量均具有统计学显著性。即使观察到口罩类型的主要效应，口罩之间的成对比较也很少达到显著性。这些都在文章中进一步讨论。在这项研究中测试的面具没有显着影响的强度，基频，CPP，第一或第二共振峰频率相比，没有面具的声音输出。使用面罩似乎在一定程度上影响强度和CPP。这些研究结果的影响在文章中进一步讨论。
The global health pandemic caused by the SARS-coronavirus 2 (COVID-19) has led to the adoption of facemasks as a necessary safety precaution. Depending on the level of risk for exposure to the virus, the facemasks that are used can vary. The aim of this study was to examine the effect of different types of facemasks, typically used by healthcare professionals and the public during the COVID-19 pandemic, on measures of voice. Nineteen adults (ten females, nine males) with a normal voice quality completed sustained vowel tasks. All tasks were performed for each of the six mask conditions: no mask, cloth mask, surgical mask, KN95 mask and, surgical mask over a KN95 mask with and without a face shield. Intensity measurements were obtained at a 1ft and 6ft distance from the speaker with sound level meters. Tasks were recorded with a 1ft mouth-to-microphone distance. Acoustic variables of interest were fundamental frequency (F0), and formant frequencies (F1, F2) for /a/ and /i/ and smoothed cepstral peak prominence (CPPs) for /a/. Data were analyzed to compare differences between sex and mask types. There was statistical significance between males and females for intensity measures and all acoustic variables except F2 for /a/ and F1 for /i/. Few pairwise comparisons between masks reached significance even though main effects for mask type were observed. These are further discussed in the article. The masks tested in this study did not have a significant impact on intensity, fundamental frequency, CPPs, first or second formant frequency compared to voice output without a mask. Use of a face shield seemed to affect intensity and CPPs to some extent. Implications of these findings are discussed further in the article.
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