Journal of voice : official journal of the Voice Foundation · 2020
Acoustic, Perceptual, and Laryngoscopic Changes Post Vocal Abuse at a College Fest.
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Sharma Anuradha, Sharma Himanshi, Munjal Sanjay, Panda Naresh
Аннотация
INTRODUCTION: College students use their voices at excessively loud intensities and long durations during college fests. The accumulative effect of vocally abusive behaviors in the presence of high ambient noise, poor vocal hygiene, and other environmental factors contribute significantly towards reducing vocal effectiveness in college students.
OBJECTIVE: The present study aimed to study the effect of a vocally demanding situation (college Fest) on perceptual and objective voice features of college students.
METHODOLOGY: In this study, a total number of 27 undergraduate female students participated in the age range of 18-27 years. Pre-test-post-test research design was applied. Data analysis consisted of video stroboscopic examination, acoustic analysis using the Multi-dimensional voice program (MDVP), and perceptual evaluation with the GRBAS scale. The data obtained were processed using descriptive statistics and non-parametric tests to determine the difference in each measured parameter pre- and postfest.
RESULTS AND DISCUSSION: Incomplete glottis closure, asymmetric vibration of vocal folds, and aperiodicity of vocal folds increased significantly postcollege Fest. GRBAS parameters also showed a change from pre Fest scores on grade (hoarseness) increased by 38%, breathiness in 34%, roughness in 26%, Asthenia in 15%, and strain increased in 38% participants. A P-value estimation revealed significantly higher scores in Jitter percent, Shimmer percent, and relative average perturbation than pre-fest scores.
CONCLUSION: The results of the present study indicate a high risk of vocal disorders among college students post Fest. This study suggests a potential unmet need for college students to receive education before cultural events on optimal vocal usage, vocal hygiene, and an appropriate period of vocal rest.
OBJECTIVE: The present study aimed to study the effect of a vocally demanding situation (college Fest) on perceptual and objective voice features of college students.
METHODOLOGY: In this study, a total number of 27 undergraduate female students participated in the age range of 18-27 years. Pre-test-post-test research design was applied. Data analysis consisted of video stroboscopic examination, acoustic analysis using the Multi-dimensional voice program (MDVP), and perceptual evaluation with the GRBAS scale. The data obtained were processed using descriptive statistics and non-parametric tests to determine the difference in each measured parameter pre- and postfest.
RESULTS AND DISCUSSION: Incomplete glottis closure, asymmetric vibration of vocal folds, and aperiodicity of vocal folds increased significantly postcollege Fest. GRBAS parameters also showed a change from pre Fest scores on grade (hoarseness) increased by 38%, breathiness in 34%, roughness in 26%, Asthenia in 15%, and strain increased in 38% participants. A P-value estimation revealed significantly higher scores in Jitter percent, Shimmer percent, and relative average perturbation than pre-fest scores.
CONCLUSION: The results of the present study indicate a high risk of vocal disorders among college students post Fest. This study suggests a potential unmet need for college students to receive education before cultural events on optimal vocal usage, vocal hygiene, and an appropriate period of vocal rest.