Citation: Proceedings of the 2019 Federated Conference on Computer Science and Information Systems, M. Ganzha, L. Maciaszek, M. Paprzycki (eds). ACSIS, Vol. 18, pages 349–353 (2019)
Abstract. In the process of acoustic voice analysis, in this case of singing, it is important that the sound samples contain a stable phase of phonation. Sometimes, however, it is not possible. This study was prepared to determine how big are the differences between the values of the acoustic parameters obtained for the initial phase of phonation and for the stable phase of phonation. The values of acoustic parameters, such as, among others shimmer, jitter, RAP, PPQ, APQ, HNR or SPR were estimated for registered singing samples in the initial phase of phonation and in the middle phase. The analysis were performed over the samples of singing of the vowel 'a' recorded many times for different pitches. In the process of analyzing of the obtained results, it was found that the impact of the selection phase of phonation for analysis is crucial in assessing the singing voice quality.
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