Voice analysis before and after vocal tiredness
Апстракт
Background/Aim. A school teacher's occupation is one of the most vocal demanding professions. Vocal tiredness affects acoustic characteristics of voice, leads to the change in acoustic quality during vocal production. The aim of this study was to examine the influence of vocal tiredness on voice acoustic characteristics of school teachers. Methods. The study included 36 school teachers (16 male and 20 female) of 27-58 years of age. Vocal tiredness was evaluated by analyzing acoustic parameters of voice, using computerized laboratory "Kay Elemetrics". The voices were recorded before the first class on the beginning of a working week and after the last class at the end of a working week. Signal, noise and tremor parameters were processed. In their analysis the methods of descriptive statistics, as well as the analytical statistics (Student's t-test for paired samples, chi(2) test, Mann Whitney U-test and Pearson's correlation coefficient) were applied. Results. The obtained results showe...d statistically significant differences in average values of parameters as a consequence of the vocal tiredness (p lt 0.01), while gender, age and being smoker or not, did not have a significant effect on voice acoustic characteristics in this group of examinees (p > 0.05). Conclusion. The results of the study suggest a casual relationship between vocal tiredness and voice quality in vocal professionals.
Кључне речи:
voice disorders / voice quality / speech production measurement / risk factors / occupational exposureИзвор:
Vojnosanitetski pregled, 2011, 68, 3, 209-213Издавач:
- Vojnomedicinska akademija - Institut za naučne informacije, Beograd
DOI: 10.2298/VSP1103209P
ISSN: 0042-8450
PubMed: 21526550
WoS: 000289878800003
Scopus: 2-s2.0-79952635497
Институција/група
rFASPERTY - JOUR AU - Petrović-Lazić, Mirjana AU - Babac, Snežana AU - Tatović, Milica AU - Ivanković, Zoran PY - 2011 UR - http://rfasper.fasper.bg.ac.rs/handle/123456789/443 AB - Background/Aim. A school teacher's occupation is one of the most vocal demanding professions. Vocal tiredness affects acoustic characteristics of voice, leads to the change in acoustic quality during vocal production. The aim of this study was to examine the influence of vocal tiredness on voice acoustic characteristics of school teachers. Methods. The study included 36 school teachers (16 male and 20 female) of 27-58 years of age. Vocal tiredness was evaluated by analyzing acoustic parameters of voice, using computerized laboratory "Kay Elemetrics". The voices were recorded before the first class on the beginning of a working week and after the last class at the end of a working week. Signal, noise and tremor parameters were processed. In their analysis the methods of descriptive statistics, as well as the analytical statistics (Student's t-test for paired samples, chi(2) test, Mann Whitney U-test and Pearson's correlation coefficient) were applied. Results. The obtained results showed statistically significant differences in average values of parameters as a consequence of the vocal tiredness (p lt 0.01), while gender, age and being smoker or not, did not have a significant effect on voice acoustic characteristics in this group of examinees (p > 0.05). Conclusion. The results of the study suggest a casual relationship between vocal tiredness and voice quality in vocal professionals. PB - Vojnomedicinska akademija - Institut za naučne informacije, Beograd T2 - Vojnosanitetski pregled T1 - Voice analysis before and after vocal tiredness EP - 213 IS - 3 SP - 209 VL - 68 DO - 10.2298/VSP1103209P ER -
@article{ author = "Petrović-Lazić, Mirjana and Babac, Snežana and Tatović, Milica and Ivanković, Zoran", year = "2011", abstract = "Background/Aim. A school teacher's occupation is one of the most vocal demanding professions. Vocal tiredness affects acoustic characteristics of voice, leads to the change in acoustic quality during vocal production. The aim of this study was to examine the influence of vocal tiredness on voice acoustic characteristics of school teachers. Methods. The study included 36 school teachers (16 male and 20 female) of 27-58 years of age. Vocal tiredness was evaluated by analyzing acoustic parameters of voice, using computerized laboratory "Kay Elemetrics". The voices were recorded before the first class on the beginning of a working week and after the last class at the end of a working week. Signal, noise and tremor parameters were processed. In their analysis the methods of descriptive statistics, as well as the analytical statistics (Student's t-test for paired samples, chi(2) test, Mann Whitney U-test and Pearson's correlation coefficient) were applied. Results. The obtained results showed statistically significant differences in average values of parameters as a consequence of the vocal tiredness (p lt 0.01), while gender, age and being smoker or not, did not have a significant effect on voice acoustic characteristics in this group of examinees (p > 0.05). Conclusion. The results of the study suggest a casual relationship between vocal tiredness and voice quality in vocal professionals.", publisher = "Vojnomedicinska akademija - Institut za naučne informacije, Beograd", journal = "Vojnosanitetski pregled", title = "Voice analysis before and after vocal tiredness", pages = "213-209", number = "3", volume = "68", doi = "10.2298/VSP1103209P" }
Petrović-Lazić, M., Babac, S., Tatović, M.,& Ivanković, Z.. (2011). Voice analysis before and after vocal tiredness. in Vojnosanitetski pregled Vojnomedicinska akademija - Institut za naučne informacije, Beograd., 68(3), 209-213. https://doi.org/10.2298/VSP1103209P
Petrović-Lazić M, Babac S, Tatović M, Ivanković Z. Voice analysis before and after vocal tiredness. in Vojnosanitetski pregled. 2011;68(3):209-213. doi:10.2298/VSP1103209P .
Petrović-Lazić, Mirjana, Babac, Snežana, Tatović, Milica, Ivanković, Zoran, "Voice analysis before and after vocal tiredness" in Vojnosanitetski pregled, 68, no. 3 (2011):209-213, https://doi.org/10.2298/VSP1103209P . .