식도발성 환자의 음향학적 특성과 음성장애지수의 상관성
The Relationship between Acoustic Characteristics and Voice Handicap Index in Esophageal Speakers
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초록
This paper investigates the relationship between acoustic characteristics and voice handicap index for 29 males withesophageal speakers. Acoustic characteristics were measured by using a sustained vowel /a/ three times. The stablevocalization for 2 seconds was analyzed by MDVP program. Specifically, relationships between four VHI scores (total,functional, physical, and emotional) and three acoustic characteristics (jitter, shimmer, and NHR) were investigated using thePearson correlation coefficient. As results, we found no relationship between NHR and VHI scores. However, both jitter andshimmer had statistically significant correlations with all four VHI scores. This research will contribute to establishing abaseline related to speech characteristics in voice rehabilitation with esophageal speakers. Further research could be done toexamine the overall quality of life survey, which is widely used as a subjective measure about voice for patients withesophageal speakers.
Abstract
This paper investigates the relationship between acoustic characteristics and voice handicap index for 29 males withesophageal speakers. Acoustic characteristics were measured by using a sustained vowel /a/ three times. The stablevocalization for 2 seconds was analyzed by MDVP program. Specifically, relationships between four VHI scores (total,functional, physical, and emotional) and three acoustic characteristics (jitter, shimmer, and NHR) were investigated using thePearson correlation coefficient. As results, we found no relationship between NHR and VHI scores. However, both jitter andshimmer had statistically significant correlations with all four VHI scores. This research will contribute to establishing abaseline related to speech characteristics in voice rehabilitation with esophageal speakers. Further research could be done toexamine the overall quality of life survey, which is widely used as a subjective measure about voice for patients withesophageal speakers.
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