Authors: Speyer R, Wieneke GH, van Wijck-Warnaar I, Dejonckere PH
Title: Effects of voice therapy on the voice range profiles of dysphonic patients
Source: Journal Of Voice 2003 17(4): 544-556
Year: 2003
Research Design: Case Series

In a group of chronically dysphonic patients, a voice range profile, or phonetogram, was recorded before and after receiving voice therapy and again 3 months later. The voice range profiles took a wide variety of shapes. Therefore, only measures that did not depend on a smooth contour could be used to describe changes before and after therapy. The main effect of voice therapy was an enlargement on the side of low frequency and low intensity.

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