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Tomoko Yonezawa, Kenji Mase
ATR Media Integration & Communication laboratories, Japan

Tangible Sound is a musical instrument with a novel user interface that uses fluid water. Fluids and sounds change shape over time and thus cannot be grasped. We believe that fluid water is a suitable interface for performing flowing music and so created a live, hands-on installation using water flow as an input medium to control the intuitively appealing feeling of "Musical Tension." We have developed a method of sensing the volume of the water flow corresponding to the enjoyment of the music. For judging a userâs actions, we use the changes in the upper flow from the faucet and in the lower flows toward the drains as well as the difference between the two kinds of values.

17 july 2000