Performance scoring of singing voice

Singing voice offers rich information such as human emotions and moods, it is considered to be a particular musical instrument. Nowadays, there are many situations where the singing voice needs to be evaluated, such as teaching, singing competition, and so on. But not everyone has a professional teacher, a singing evaluation system will be very helpful for ordinary people to learn singing in a proper way. In this paper, a system is developed to analyze the performance of singing voice and rank it according to predictive model trained from the acoustic emotion features and musicians' opinions.