is included as a covariate in the CSC models, where\(f\)(t) is a function of duration in the current state. In Models 3 and 4, past disease history is included as a covariate, which allows past states to affect the transition rates of the current state, and the interaction...
Humans can recognize someone’s identity through their voice and describe the timbral phenomena of voices. Likewise, the singing voice also has timbral phenomena. In vocal pedagogy, vocal teachers listen and then describe the timbral phenomena of their student’s singing voice. In this study, in ...