Influence of Blowing Musical Instruments on Geometrical Face Changes: 3D Evaluation Study.

Mariko Hattori, Mahmoud E Elbashti, Yuka I Sumita, Noriyuki Wakabayashi
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Abstract

This study examined changes in facial geometry while playing wind instruments. Nine musicians participated (6 men, 3 women, mean age 52 years) in part 1 of the study, and 3 musicians participated (3 women, mean age 41 years) in part 2. In part 1, the high and low notes of each instrument were selected as test sounds. Facial geometry data were recorded using a 3D scanner. In part 2, facial geometry data were recorded using a 4D scanner while a melody was played. Data were superimposed and analyzed using 3D analysis software. Numerical values and color maps of deviations were obtained. The results of part 1 revealed that the median 3D deviation was 1.1 mm (range 0.42-1.45 mm), indicating that facial geometry while playing high and low notes was varied. The results of part 2 showed that the stable part was the frontal region and dorsal part of the nose. The approach used in this study has potential applications for evaluating facial geometry during musical instrument performances.

吹奏乐器对脸部几何变化的影响:3D 评估研究
这项研究考察了演奏管乐器时面部几何形状的变化。9 名音乐家(6 名男性,3 名女性,平均年龄 52 岁)参加了第一部分的研究,3 名音乐家(3 名女性,平均年龄 41 岁)参加了第二部分的研究。在第一部分中,选择了每种乐器的高音和低音作为测试音。使用 3D 扫描仪记录面部几何数据。在第二部分中,使用 4D 扫描仪记录面部几何数据,同时播放一段旋律。使用 3D 分析软件对数据进行叠加和分析。获得了偏差的数值和彩色图谱。第一部分的结果显示,三维偏差的中位数为 1.1 毫米(范围为 0.42-1.45 毫米),这表明在演奏高音和低音时面部几何形状是不同的。第 2 部分的结果显示,稳定的部分是额头和鼻背。本研究采用的方法可用于评估乐器演奏时的面部几何形状。
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