Shravana Institute of Speech and Hearing, Ballari, India.
Shravana Institute of Speech and Hearing, Ballari, India.
J Voice. 2019 Sep;33(5):803.e1-803.e5. doi: 10.1016/j.jvoice.2018.03.018. Epub 2018 Jul 10.
The study aimed to investigate and compare the acoustic and aerodynamic characteristics of choral singers and nonsingers.
Twenty choral singers and 20 nonsingers in the age range of 20-30 years with no vocal pathology participated in the study. For acoustic analysis, the voice sample was recorded and analyzed using Praat software (Phonetic Sciences, University of Amsterdam, Amsterdam, Netherlands) version 6.0.33 and for aerodynamic evaluation, Helios 401 PC based spirometer (Recorders & Medicare System Pvt. Ltd., Panchkula, Haryana, India) was used.
The results from acoustic analysis of female groups revealed higher F0 in singers than nonsingers; higher jitter, shimmer, and noise-to-harmonics ratio (NHR) values were obtained for nonsingers compared to singers. Results from acoustic analysis of male groups revealed significantly higher F0 in singers than nonsingers and significantly higher shimmer and NHR values for nonsingers compared to singers. Results from aerodynamic analysis for both male and female groups revealed higher vital capacity, forced vital capacity, and slow vital capacity in singers than nonsingers.
The results revealed better control over phonatory and respiratory subsystems among singers compared to nonsingers, although the singers were untrained. This could be possible due to the fact that long-term singing practices involving vocal modulation and changes in the breathing pattern, better respiratory control during the expiratory phase among singers. However, as the participants of the singing group are untrained, further studies are required to compare the acoustic and the aerodynamic characteristics with trained singers.
本研究旨在调查和比较合唱歌手和非歌手的声学和空气动力学特征。
本研究纳入了 20 名年龄在 20-30 岁之间、无嗓音疾病的合唱歌手和 20 名非歌手。对于声学分析，使用 Praat 软件（阿姆斯特丹大学语音科学系，阿姆斯特丹，荷兰）版本 6.0.33 记录和分析声音样本；对于空气动力学评估，使用 Helios 401 PC 基于的肺活量计（Recorders & Medicare System Pvt. Ltd.，印度哈里亚纳邦潘奇库拉）。
女性组声学分析结果显示，歌手的基频（F0）高于非歌手；非歌手的抖动、颤抖和噪声与谐波比（NHR）值高于歌手。男性组声学分析结果显示，歌手的 F0 显著高于非歌手，非歌手的颤抖和 NHR 值显著高于歌手。男女组空气动力学分析结果均显示，歌手的肺活量、用力肺活量和缓慢肺活量均高于非歌手。
尽管歌手未经训练，但与非歌手相比，歌手对发音和呼吸系统的控制更好。这可能是由于长期的歌唱练习涉及到声音调节和呼吸模式的改变，歌手在呼气阶段有更好的呼吸控制。然而，由于歌唱组的参与者未经训练，需要进一步的研究来比较训练有素的歌手的声学和空气动力学特征。
