Akustička analiza glasa trenera akrobatskog rock'n'rolla prije i neposredno nakon treninga

master's thesis

• Title (english): Acoustic analysis of the acrobatic rock'n'roll coach voices before and immediately after the training
• Author: Karlo Škrinjarić
• Mentor: Mladen Hedjever (mentor)
• Committee member: Mladen Hedjever (predsjednik povjerenstva)
• Committee member: Emica Farago (član povjerenstva)
• Committee member: Ana Bonetti (član povjerenstva)
• Granter: University of Zagreb; Faculty of Education and Rehabilitation Sciences; Zagreb
• Defense date and country: 2018-06-27, Croatia
• Scientific / art field, discipline and subdiscipline: SOCIAL SCIENCES; Speech Therapy

Abstract

Cilj ovog diplomskog rada bio je objektivnim metodama ispitati postoje li promjene u kvaliteti glasa kod trenera akrobatskog rock'n'rolla prije i neposredno nakon treninga. Ispitanice su bile trenerice s područja Zagreba (N=10). Ispitivanje se provelo u dva dijelasnimanje fonacije vokala /A/ i brojanja do 10 prije treninga i neposredno nakon treninga. Također, ispitanice su ispunile kratki Upitnik simptoma vokalnog zamora koji je konstruiran za ovo istraživanje. Akustička analiza napravljena je pomoću PRAAT programa. Promatrane akustičke varijable bile su fundamentalna frekvencija dobivena iz fonacije, fundamentalna frekvencija dobivena iz habitualne visine glasa (brojanje), jitter, shimmer i omjer harmoničnog i šumnog dijela spektra (HNR). Statistička obrada nije pokazala postojanje statistički značajnih razlika u promatranim varijablama, iako se individualnom analizom uočavaju promjene vrijednosti gotovo svih akustičkih varijabli. Također, analizom odgovora iz Upitnika vokalnog zamora, vidljivo je kako su gotovo svi simptomi ponekad prisutni kod većeg broja trenerica, te je analizom potvrđeno postojanje značajnih korelacija između varijabli upitnika, kao i navika trenera i simptoma vokalnog zamora (primjerice, pušenje). Naglašava se važnost osvještavanja svijesti o očuvanju glasa unutar skupine trenera akrobatskog rock'n'rolla, kao najbolja metoda prevencije za nastavak bavljenja ovim vidom sporta.

Abstract (english)

The aim of this master thesis was to examine whether there are any changes in the voice quality among acrobatic rock'n'roll coaches before and immediately after the training, by using objective methods. Ten female coaches from Zagreb participated in this research. Testing was conducted in two parts-prolonged phonation of vocal /A/, and counting to 10 before, and just after the training. Also, participants fulfilled Vocal fatigue symptoms questionnaire, which was created for this study. Acoustic analysis was made using the PRAAT program. Observed acoustic variables were fundamental frequency obtained from phonation, fundamental frequency obtained from counting, jitter, shimmer, and harmonic-tonoise ration (HNR). Results after statistical analysis did not show statistically signifficant differences between the variables before and after the training, although, there were some changes among almost all the acoustic variables, showed through individual analysis of each voice. Also, by analyzing the answers of the Vocal Fatigue Questionnaire, it is evident that almost all coaches sometimes feel some of the vocal fatigue symptoms. Analysis confirmed the existence of significant correlations between the questionnaire variables, as welll as with some life habits and symptoms of vocal fatigue (smoking for example).

• Keywords: akrobatski rock'n'roll; treneri; vokalni zamor; akustička analiza glasa
• Keywords (english): acrobatic rock'n'roll; coaches; vocal fatigue; acoustic analysis of voice
• Language: croatian
• URN:NBN: urn:nbn:hr:158:424094
• Study programme: Title: Speech and Language Pathology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra logopedije (magistar/magistra logopedije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2018-08-24 11:24:29