노령화에 따른 건강한 정상 성인의 음향음성학적 특성 비교
Acoustic Characteristics of Normal Healthy Koreans with Advancing Age
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참고문헌
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초록
The purpose of this study was to increase the current understanding of the acoustic characteristics of voices with advancing age. The relationship between age-related changes in body physiology and certain acoustic characteristics of voice was studied in a sample of 80 men representing four chronological age groupings (20-29, 50-59, 60-69, 70-79) who were all of good physical condition. Each subject was asked to phonate the vowel /a/, /i/, and /u/ for as long as possible at comfortable frequency and intensity level and read the sentence. A promising voice analysis program (Multi-Dimensional Voice ProgramTM) was used to measure the fundamental frequency (f0), jitter, shimmer, f0 variation, peak-amplitude variation, smoothed pitch perturbation quotient, smoothed amplitude perturbation quotient, soft phonation index, f0-tremor intensity index, amplitude tremor intensity index, and noise-to-harmonics ratio from the samples.
Abstract
The purpose of this study was to increase the current understanding of the acoustic characteristics of voices with advancing age. The relationship between age-related changes in body physiology and certain acoustic characteristics of voice was studied in a sample of 80 men representing four chronological age groupings (20-29, 50-59, 60-69, 70-79) who were all of good physical condition. Each subject was asked to phonate the vowel /a/, /i/, and /u/ for as long as possible at comfortable frequency and intensity level and read the sentence. A promising voice analysis program (Multi-Dimensional Voice ProgramTM) was used to measure the fundamental frequency (f0), jitter, shimmer, f0 variation, peak-amplitude variation, smoothed pitch perturbation quotient, smoothed amplitude perturbation quotient, soft phonation index, f0-tremor intensity index, amplitude tremor intensity index, and noise-to-harmonics ratio from the samples.
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