[l'ull cec] dimecres 24/01 concert reacTable* @ La Sala (c) Castell
ó, 20:00 hrs Presentació del reacTable a Barcelona The reactable, is a state-of-the-art multi-user electro-acoustic music instrument with a tabletop tangible user interface. Several simultaneous performers share complete control over the instrument by moving physical artefacts on the table surfa
ce and constructing different audio topologies in a kind of tangible modular synthesizer or graspable flow-controlled programming language. The reactable hardware is based on a translucent round table. A video camera situated beneath, continuously analyzes the table surface, tracking the nature, po
sition and orientation of the objects that are distributed on its surface, representing the components of a classic modular synthesizer. These objects are passive without any sensors or actuators, users interact by moving them, changing their position, their orientation or their faces (in the case o
f volumetric objects). These actions directly control the topological structure and parameters of the sound synthesizer. A projector, also from underneath the table, draws dynamic animations on its surface, providing a visual feedback of the state, the activity and the main characteristics of the so
unds produced by the audio synthesizer. http://www.flickr.com/photos/piscue/sets/72157594498602114/

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