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

Journal of Voice : Official Journal of the Voice Foundation
Trine PrintzÅgot Møller Grøntved

Abstract

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 < 0.001), intensity ranges (2.2 dB [95% CI: 1.0-3.4 dB], P < 0.001), maximum frequency (1.0 ST [95% CI: 0.5-1.6 ST], P < 0.001), maximum intensity (1.4 dB [95% CI: 0.5-2.3 dB], P = 0.002), and area inside the VRP (148 cells [95% CI: 87-210 cells], P < 0.001) was observed. The intra-examiner va...Continue Reading

Citations

Oct 17, 2018·The Laryngoscope·Andrew M Vahabzadeh-HaghDinesh K Chhetri
Jun 12, 2019·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Jesper Roed SorensenCamilla Slot Mehlum
Jun 25, 2020·American Journal of Speech-language Pathology·Grace M CutchinMary J Sandage
Apr 25, 2018·BioMed Research International·Philipp P CaffierTadeus Nawka
Dec 11, 2019·Journal of Voice : Official Journal of the Voice Foundation·Ben Barsties V Latoszek, Christopher R Watts
May 30, 2021·Journal of Voice : Official Journal of the Voice Foundation·Henriette Sune AndersenTrine Printz
Jun 9, 2021·Journal of Voice : Official Journal of the Voice Foundation·Ann Kolker Rychel, Miriam van Mersbergen
Feb 23, 2020·Journal of Voice : Official Journal of the Voice Foundation·Trine PrintzÅgot Møller Grøntved

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