Abstract
Objectives
Resonance characteristics can change due to alterations in the shape of the vocal
tract in patients with epiglottic cysts. This study aimed to analyze the resonance
characteristics before and after the surgical excision of epiglottic cysts.
Methods
Twelve male patients with epiglottic cysts were enrolled in this study. We analyzed
the first and second formants (F1 and F2) in vowels /a/, /e/, /i/, /o/, and /u/, vowel
space area (VSA), vowel articulatory index (VAI), and formant centralization ratio
(FCR). We measured these parameters before and after the surgical excision of epiglottic
cysts.
Results
There was a significant increase in the F1 values of /a/, VSA, and VAI, and a significant
decrease in the value of FCR after the surgery.
Conclusion
We confirmed the change in the resonance characteristics in patients with epiglottic
cysts. It is considered that further studies on epiglottic cysts and resonance changes
are needed in the future.
Key Words
Abbreviations:
F (formant frequency), F1 (first formant), F2 (second formant), VSA (vowel space area), VAI (vowel articulatory index), FCR (formant centralization ratio)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: October 10, 2021
Accepted:
September 6,
2021
Publication stage
In Press Corrected ProofFootnotes
Conflicts of interest: The authors have no conflicts of interest to declare.
Funding: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
Identification
Copyright
© 2021 The Voice Foundation. Published by Elsevier Inc. All rights reserved.
