Test-Retest Reliability of the Dual-Microphone Voice Range Profile

The voice range profile (VRP) measures vocal intensity and fundamental frequency. Phonosurgical and logopedic treatment outcome studies using the VRP report voice improvements of 3–6 semitones (ST) in ST range and 4–7 decibels (dB) in sound pressure level range after treatment. These small improveme...

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Published in:Journal of voice 2018-01, Vol.32 (1), p.32-37
Main Authors: Printz, Trine, Sorensen, Jesper Roed, Godballe, Christian, Grøntved, Ågot Møller
Format: Article
Language:English
Subjects:
Phonetogram
Test-retest reliability
Voice assessment
Voice evaluation
Voice range profile
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description The voice range profile (VRP) measures vocal intensity and fundamental frequency. Phonosurgical and logopedic treatment outcome studies using the VRP report voice improvements of 3–6 semitones (ST) in ST range and 4–7 decibels (dB) in sound pressure level range after treatment. These small improvements stress the importance of reliable measurements. The aim was to evaluate the test-retest reliability of the dual-microphone computerized VRP on participants with healthy voices. This is a prospective test-retest reliability study. Dual-microphone VRPs were repeated twice on healthy participants (n = 37) with an interval of 6–37 days. Voice frequency and intensity (minimum, maximum, and ranges) were assessed in combination with the area of the VRP. Correlations between VRP parameters were high (r > 0.60). However, in the retest, a statistically significant increase in voice frequency range (1.4 ST [95% confidence interval {CI}: 0.8–2.1 ST], P 
doi_str_mv 10.1016/j.jvoice.2017.03.019
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subjects Phonetogram
Test-retest reliability
Voice assessment
Voice evaluation
Voice range profile
title Test-Retest Reliability of the Dual-Microphone Voice Range Profile
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