This paper presents a novel music mixing interface which allows users to blend between pieces of music by moving their whole body in different emotional styles. Although the interface itself would be most applicable for the performing arts and gaming, the principles concerning the use of emotions and body motion analysis apply to many other areas interested in the design of intelligent user interfaces. We report the results of a pilot user study which suggest that such an interface could afford an emotionally immersive experience. However, individual user differences in the expression of emotions need to be accounted for.
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