| Voice changing area refers to the transition stage of voice from medium and faint voice area to high voice area in singing.The quality of voice changing technology directly affects the establishment of voice in high voice area.Tenor voice changing area refers to the section from.e to g of small character group 2.It is one of the most important and difficult skills of tenor in singing.Scholars at home and abroad have made a lot of achievements in relevant aspects,but there is no similar research on the visualization of singing skills in the voice changing area at present.This paper attempts to study the voice changing area fragments in the singing works of lyric tenor Shi Yijie,Florez and dramatic tenor Kaufman from two aspects:the visualization of tenor voice changing area strength and the visualization of tenor voice changing area based on the deviation of starting interval,It also compares the personal practice audio analysis with the analysis data of the three singers,and summarizes the differences and problems between them,hoping to provide some reference for people engaged in similar research in the future and tenor practitioners. |