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Acoustical and perceptual voice analysis in children with dysphonia

dc.contributorVuković Mile
dc.contributorJugović Aleksandar
dc.contributorPopović-Ćitić Branislava
dc.contributorIlić Snežana
dc.creatorŠehović, Ivana
dc.creatorPetrović-Lazić, Mirjana
dc.creatorJovanović-Simić, Nadica
dc.creatorArsenić, Ivana
dc.date.accessioned2021-06-17T13:36:23Z
dc.date.available2021-06-17T13:36:23Z
dc.date.issued2017
dc.identifier.isbn978-86-6203-105-1
dc.identifier.urihttp://rfasper.fasper.bg.ac.rs/handle/123456789/2737
dc.description.abstractDisfonija je najčešći oblik poremećaja glasa i predstavlja svako odstupanje od normalne visine, intenziteta i kvaliteta glasa. Disfonije u dečijem uzrastu su najčešće uzrokovane hiperfunkcijom vokalnog aparata, što se ispoljava pro- duženom i napetom fonacijom. Najčešći poremećaji glasa koji se javljaju kod dece su čvorići na glasnicama i hiperkinetička disfonija. Cilj istraživanja je da se ispita povezanost između akustičkih i perceptiv- nih karakteristika glasa kod dece sa disfonijom. Istraživanjem je obuhvaćeno 66 dece, oba pola, uzrasta od 6 do 11 godina. Akustički parametri glasa su ana- lizirani pomoću programa multidimenzionalne analize vokala, model 4300 korporacije „Kay Elemetricsˮ. Perceptivne karakteristike glasa su analizirane Grbas skalom. U obradi podataka primenjene su mere centralne tendencije, mere varijabilnosti, t-test za velike nezavisne uzorke, Hi kvadrat test i Pirsonov koeficijent korelacije. Rezultati istraživanja su pokazali da kod dece sa disfonijom postoji sta- tistički značajna povezanost parametra fundamentalne frekvencije (Fo) i napetosti u glasu (r=-0,145, p=0,006), kao i parametara Jitt, Shim i NHR sa para- metrima G (stepen promuklosti), R (hrapavost u glasu) i B (šumnost u glasu).
dc.description.abstractDysphonia is the most common form of voice disorder and represents any deviation from the normal level, intensity and quality of the voice. Dysphonia in children is most often caused by the hyperfunction of the vocal apparatus, which is manifested by prolonged and tense phonation. The most common voice disorders occurring amongst children are nodules on the vocal cords and hyperkinetic dysphonia. The aim of the research is to examine the relationship between acoustic and perceptual characteristics of voice in children with dysphonia. The survey covered 66 children, both sexes, 6 to 11 years old. The acoustic voice parameters were analyzed using a multi-dimensional vocal analysis program, the 4300 Kay Elemetrics® corporation. Perceptual vocal characteristics were analyzed Grbas scale. The measures of central tendency, variability measures, t-test for large independent samples, Hi square test and Pearson correlation coefficient were applied in data processing. The results of the study indicated that in children with dysphonia have shown statistically significant connection between the fundamental frequency parameter (Fo) and the tension in the voice (r=-0,145, p=0.006), as well as the parameters Jitt, Shim and NHR with the parameters G (degree of hoarseness) R (voice roughness) and B (voice noise).
dc.languagesr
dc.publisherUniverzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju/ University of Belgrade – Faculty of Special Education and Rehabilitation
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/
dc.sourceZbornik radova - Nacionalni naučni skup „Prevencija razvojnih smetnji i problema u ponašanju”, Beograd, 21. Decembar 2017.
dc.subjectdisfonija
dc.subjectanaliza glasa
dc.subjectporemećaji dečijeg glasa
dc.subjectdysphonia
dc.subjectvoice analysis
dc.subjectchildren’s voice disorders
dc.titleAkustička i perceptivna analiza glasa kod dece sa disfonijomsr
dc.titleAcoustical and perceptual voice analysis in children with dysphonia
dc.typeconferenceObject
dc.rights.licenseBY-SA
dc.citation.epage90
dc.citation.other: 81-90
dc.citation.spage81
dc.identifier.fulltexthttp://rfasper.fasper.bg.ac.rs/bitstream/id/5735/bitstream_5735.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_rfasper_2737
dc.type.versionpublishedVersion


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