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Evaluation of quality of singing is an issue subjectively realized by the experts.This paper presents the results of the analysis of the vibrato parameter in the singing.The well-known fact is the existence of vibrato of sufficient quality in the voices of professional singers.The authors focus here on the choral voices to assess the quality of their singing from the point of view of the vibrato parameter.The method presented here is developed to evaluate the vibrato while singing under conditions close to the real ones.The study was carried out on the recordings of the members of an academic choir.As a result of tests it was found that not all singers present the same quality of vibrato in terms of deviation of vibrato confidence(STDCV).
Evaluation of quality of singing is an issue subjectively realized by the expert .This paper presents the results of the analysis of the vibrato parameter in the singing.The well-known fact is the existence of vibrato of sufficient quality in the voices of professional singers. The authors focus here on the choral voices to assess the quality of their singing from the point of view of the vibrato parameter.The method present here is developed to evaluate the vibrato while singing under conditions close to the real ones. The study was carried out on the recordings of the members of an academic choir. As a result of tests it was found that not all singers present the same quality of vibrato in terms of deviation of vibrato confidence (STDCV).