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Acoustic Characteristics in Epiglottic Cyst

Authors
 YeonWoo Lee  ;  GeunHyo Kim  ;  SooGeun Wang  ;  JeonYeob Jang  ;  Wonjae Cha  ;  HongSik Choi  ;  HyangHee Kim 
Citation
 Journal of Voice, Vol.33(4) : 497-500, 2019 
Journal Title
 Journal of Voice 
ISSN
 0892-1997 
Issue Date
2019
Keywords
Epiglottic cyst ; F1 ; F2 ; Formant ; Jitter ; Noise-to-harmonic ratio ; Shimmer ; Vocal tract ; Vowel
Abstract
OBJECTIVE: The purpose of this study was to analyze the acoustic characteristics associated with alternation deformation of the vocal tract due to large epiglottic cyst, and to confirm the relation between the anatomical change and resonant function of the vocal tract. METHODS: Eight men with epiglottic cyst were enrolled in this study. The jitter, shimmer, noise-to-harmonic ratio, and first two formants were analyzed in vowels /a:/, /e:/, /i:/, /o:/, and /u:/. These values were analyzed before and after laryngeal microsurgery. RESULTS: The F1 value of /a:/ was significantly raised after surgery. Significant differences of formant frequencies in other vowels, jitter, shimmer, and noise-to-harmonic ratio were not presented. CONCLUSION: The results of this study could be used to analyze changes in the resonance of vocal tracts due to the epiglottic cysts.
Full Text
https://www.sciencedirect.com/science/article/pii/S0892199717305295
DOI
10.1016/j.jvoice.2018.01.023
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyang Hee(김향희) ORCID logo https://orcid.org/0000-0003-4949-2512
Choi, Hong Shik(최홍식)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/170846
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