"Prasertvithyakarn Prasert,Koji Iwano,Sadaoki Furui","An Automatic Singing Voice Evaluation Method for Voice Training Systems","日本音響学会2008年春季研究発表会","日本音響学会2008年春季講演論文集","日本音響学会",,"No. 2-5-12","pp. 911-912",2008,Mar.