* Alvaro Cassinelli: concept, software and hardware development * Daito Manabe: sound concept and sound generation * Kuribara Yusaku: latest so

* Alvaro Cassinelli: concept, software and hardware development * Daito Manabe: sound concept and sound generation * Kuribara Yusaku: latest software development including contour tracking and interface * Stephane Perrin: participated in early development of the smart laser scanner technology used for tracking.