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Synthesis of the laryngeal source of throat singing using a 2x2-mass model

Singing voices have various timbres. Throat singing and some other Asian traditional singing voices have a pressed timbre that is significantly different from the European classic singing voice. In our previous study on throat singing, the vibration of the false vocal folds as well as that of the vocal folds was observed and was found to be essentially due to the pressed timbre. This paper describes a 2×2-mass model as a physical model, defines an adduction parameterization of its parameters, and presents a simulation of vocal fold and false vocal fold vibrations in the larynx. Furthermore, a visual simulator of the laryngeal movements is demonstrated. By using this model, the vibration patterns of the two different laryngeal voices in throat singing (the squeezed and karygraa voices) and the normal pressed voice have been simulated. The results show the possibility of synthesis of various timbres for singing.