Passaggio Peak Coefficient as an Indicator of Singer Advancement

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Mateusz Gawlik, Wiesław Wszołek

Subject: Arts & Humanities, Anthropology & Ethnography Keywords: passaggio; pitch; glissando; singing voice

In the last few years, researchers have paid increasing attention to singing voice evaluations. In their studies, they observed changes in the vibrations of the vocal folds during the transition of registers. Additionally, they also found that these changes are less visible and audible in the case of skilled singers. In order to confirm this theory, we defined a new parameter, the Passaggio Peak Coefficient (PPC), obtained from an EGG signal to analyze pitch and open quotient jump characteristics during the transition of vocal registers among 21 female and male choir members with different singing skills. The Kruskal-Wallis test proved that it is possible to distinguish vocal skills, based on the ability to smoothen transitions among female singers at a 5% significance level.

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