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Acoustic Indices of Vocal Fold Aging in Late Middle-Age and Old Adult Males
Ronshaugen, Rachelle
Ronshaugen, Rachelle
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2013
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2013-12-13
Abstract
Objective: To measure the acoustic features of connected speech in male speakers between the ages of 50-79 using new cepstral/spectral measures (F0, CPP, and CSID). Method: The software program Analysis of Dysphonia in Speech & Voice (ADSV -- KayPentax) was used to analyze vowels and connected speech across three age groups: 50 to 59, 60 to 69, and 70 to 79. This resulted in three different ADSV measurements (F0, cepstral peak, CSID) for four different stimuli (vowels /i/ and /u/, CAPE-V Sentence, and The Rainbow Passage). Results: This study did not find significant differences in measurements of CPP, F0, and CSID in different speaking conditions among 50, 60, and 70 year-old speakers. Conclusions: Results may be due to the use of cepstral/spectral measures, sample representation within each age group, sample size, or professional voice use in the current sample. Alternatively, there may not be a true difference between 50, 60, and 70 year-old speakers and the results of this study may accurately reflect reality. Either way, future research is needed.
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Communication Sciences and Disorders