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1 2019

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Intonation accuracy and pitch stability during crescendo as the voice quality and singer’s experience indicator among choral singers

Gawlik Mateusz, Wszołek Wiesław

Vibrations in Physical Systems

2019

Vol. 30, nr 1

art. no. 2019138

The ability to correctly reproduce notes by the voice is one of the essential features of the singing task and called intonation. In combination with other parameters like timbre, formants, and sound attack, it affects the reception of listening impressions. In this paper, we present results of the examination concerning the automatic evaluation of intonation among the nonsingers, untrained and trained choral singers. We performed both pitch error during vocalization and pitch stability in crescendo task analysis among studied groups. We used Zero Band Filtering method to determine fundamental frequency from the singing signal. We noticed significant differences between singers with different skills and experience, and the possibility to classify the level of advancement of the singer by using intonation characteristic.