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In recent years we have seen a proliferation of musical tables. Believing that this is not just the result of a tabletop trend, in this paper we first discuss several of the reasons for which live music performance and HCI in general, and musical instruments and tabletop interfaces in particular, can lead to a fertile two-way cross-pollination that can(More)
This paper describes reacTIVision: a camera based two dimensional fiducial (marker) tracking system developed for the reacTable*, a table based tangible musical instrument. Key features of reacTIVision include: (1) the ability to track a large number of fiducials with faster than real-time performance and (2) fiducial size may be varied depending on the(More)
In this paper we study the potential and the challenges posed by multi-user instruments, as tools that can facilitate interaction and responsiveness not only between performers and their instrument but also between performers as well. Several previous studies and taxonomies are mentioned, after what different paradigms exposed with examples based on(More)
The reacTable* is an electronic multi-user musical instrument with a tabletop tangible user interface developed by a team of digital luthiers at the Pompeu Fabra University of Barcelona. The instrument is designed both for novices (in installations) as well as for advanced electronic musicians (in concerts). It allows several simultaneous performers to(More)
Audio mixing is the adjustment of relative volumes, panning and other parameters corresponding to different sound sources, in order to create a technically and aesthetically adequate sound sum. To do this, audio engineers employ “panpots” and faders, the standard controls in audio mixers. The design of such devices has remained practically unchanged for(More)
The design of new instruments and controllers for performing live computer music is an exciting field of research that can lead to truly new musicmaking paradigms. The ever-increasing availability of sensing technologies that enable virtually any kind of physical gesture to be detected and tracked has indeed sprouted a wealth of experimental instruments and(More)
Public displays and projections are becoming increasingly available in various informal urban settings. However, their potential impact on informing and engaging citizens on relevant issues has still been largely unexplored. In this paper, we show that visualizations displayed in public settings are able to increase social awareness and discourse by(More)
New digital musical instruments designed for professional and trained musicians can be quite complex and challenging, offering as a counterpart a great amount of creative freedom and control possibilities to their players. On the other hand, instruments designed for amateur musicians or for audiences in interactive sound installations, tend to be quite(More)
In this paper we present Afasia, an interactive multimedia performance based in Homer’s Odyssey [2]. Afasia is a one-man digital theater play in which a lone performer fitted with a sensor-suit conducts, like Homer, the whole show by himself, controlling 2D animations, DVD video and conducting the music mechanically performed by a robot quartet. After(More)