Department of Rehabilitation Sciences, Speech, Language and Hearing Sciences, Ghent University, Ghent, Belgium.
Department of Rehabilitation Sciences, Speech, Language and Hearing Sciences, Ghent University, Ghent, Belgium.
J Voice. 2022 Jan;36(1):141.e19-141.e31. doi: 10.1016/j.jvoice.2020.04.023. Epub 2020 Jun 2.
Theater actors are a high risk group for developing voice disorders.
The first purpose of this study was to examine and compare the objective and subjective vocal quality between professional theater actors, non-professional theater actors and a control group of professional dancers. Secondly, the impact of one theater performance on the objective and subjective vocal quality was investigated within and between the groups. It is hypothesized that actors will experience vocal fatigue and a deteriorated vocal quality compared with dancers as a result of the vocal load during the performance. Dancers will face more general fatigue and smaller vocal changes due to the impact of a performance including stress, decompensation and physical fatigue.
Recordings of 27 professional actors, 19 non-professional actors and 16 professional dancers were collected before and after a performance using the PRAAT software. Voice samples included sustained vowel phonation, continuous speech, aerodynamic measurements and voice range profile. Both Acoustic Voice Quality Index and Dysphonia Severity Index were computed. For auditory-perceptual evaluations the GRBASI scale was used. Several questionnaires were completed pre and post performance to capture vocal risk factors.
Vocal quality between groups showed lower fundamental frequency (f) values (female), larger fundamental frequency (female) and intensity ranges and a longer maximum phonation time (female) in professional actors compared to non-professionals. Professional dancers showed higher Acoustic Voice Quality Index values compared to non-professional actors. Dysphonia Severity Index, Voice Handicap Index, Vocal Tract Discomfort Scale and GRBASI results did not differ between groups at the baseline. Both objective measurements and questionnaires did not show significantly different results post performance. Questionnaires revealed poor vocal habits in professional actors.
Professional actors have better vocal capacities than non-professionals. Dancers' vocal quality is worse than actors. The results show no impact of one performance on the vocal quality in theater actors and dancers. The long-term impact of performing, however, is subject for further research.
戏剧演员是发生嗓音障碍的高危人群。
本研究的首要目的是检查和比较专业戏剧演员、非专业戏剧演员和专业舞蹈演员对照组之间的客观和主观嗓音质量。其次，在组内和组间研究一次戏剧表演对客观和主观嗓音质量的影响。假设由于表演过程中的嗓音负荷，与舞蹈演员相比，演员会经历嗓音疲劳和嗓音质量恶化。由于表演包括压力、代偿和身体疲劳等因素对舞蹈演员的影响，舞蹈演员会面临更普遍的疲劳和更小的嗓音变化。
使用 PRAAT 软件在表演前后分别收集了 27 名专业演员、19 名非专业演员和 16 名专业舞蹈演员的录音。嗓音样本包括持续元音发音、连续言语、空气动力学测量和嗓音范围图。计算了声学嗓音质量指数和嗓音障碍严重指数。使用 GRBASI 量表进行了听觉感知评估。在表演前后完成了几个问卷以捕捉嗓音危险因素。
与非专业演员相比，演员组的嗓音质量显示出较低的基频（女性）值、较大的基频（女性）和强度范围以及较长的最大发音时间（女性）。与非专业演员相比，专业舞蹈演员的声学嗓音质量指数值更高。嗓音障碍严重指数、嗓音障碍指数、嗓音咽喉不适量表和 GRBASI 结果在基线时在各组之间没有差异。客观测量和问卷在表演后均未显示出显著不同的结果。问卷显示专业演员存在不良的嗓音习惯。
专业演员的嗓音能力优于非专业演员。舞蹈演员的嗓音质量比演员差。结果表明，一次表演对戏剧演员和舞蹈演员的嗓音质量没有影响。然而，表演的长期影响是进一步研究的课题。
