마스크 착용 조건에 따른 음성장애 환자의 음향학적 특성 = Acoustic Characteristics of Patients With Voice Disorder According to Face Mask Wearing Conditions

다국어 초록 (Multilingual Abstract)

Purpose: The purpose of this study is to investigate the characteristics of voice change in the group of patients with voice disorders with breathy voice characteristics due to wearing a face mask.
Methods: The subjects of this study were 10 people with vocal nodules, 10 with vocal cord palsy, and 10 with leukoplakia. As a research tool, Praat, MDVP, ADSV, and GRBAS were used by collecting /a/ vowel sustained phonation to examine the acoustic characteristics of speech.
Results: As for the acoustic and auditory perceptual characteristics according to the face mask wearing conditions, there were significant differences in voice intensity, SPI, CPP, and L/H ratio in the vocal cord nodules, and in vocal cord palsy, voice intensity, jitter, SPI, CPP, L/H ratio, A and S showed a significant difference. In leukoplakia, there were significant differences in voice intensity, jitter, shimmer, CPP, L/H ratio, G and R.
Conclusions: It was found that the louder the noise and the more filters in the face mask, the more difficult it was to understand the characteristics of pathological voices by attenuating the noise energy. Accordingly, if the pathological voice is severe, it is necessary to be careful in interpreting the results when performing a voice assessment after wearing a face mask, and it is necessary to present systematic research results according to the noise level and face mask type in the future.