José R. Beltrán received the B.Sc. and Ph.D. degrees in physics from the University of Zaragoza, Zaragoza, Spain, in 1988 and 1994, respectively. He is currently an Associate Professor with the Department of Electronic Engineering and Communications, University of Zaragoza. In 2008, he was a Promoter and Founder of an academic spin-off ARSTIC Audiovisual Solutions S.L., which is devoted to the use of technologies for the artistic and audiovisual fields. He is a member of the Research Group in Advanced Interfaces (AffectiveLab), Aragón Institute for Engineering Research, University of Zaragoza. He is involved in different research and development projects on audio analysis and processing. His research interests include automatic learning systems for the analysis, processing, and synthesis of musical signals.