Music Acoustics
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Goebl, Werner and Guggenberger, Dominikus (2015)
"TappingFriend – an interactive science exhibit for experiencing synchronicity with real and artificial partners,"
in Proceedings of the Third Vienna Talk on Music Acoustics, edited by Alexander Mayer and Vasileios Chatziioannou and Werner Goebl (Institute Of Music Acoustics (Wiener Klangstil), Vienna, Austria) p. 227-230.

TappingFriend is an interactive science game aimed to provide a playful experience of synchronization and cooperation between one or two humans and a virtual partner – the maestro. The players tap in time with the maestro on little drums and the system provides immediate feedback on their synchronization success by showing their taps relative to the maestro’s taps and by counting the taps that were on time, too early, or too late. The aim of the game is to achieve as many on-time taps as possible. The maestro's degree of cooperation differs between play modes, and players should experience the different levels of cooperativity while tapping. Players have to develop different strategies to stay on beat with their fellow players and the virtual partner, the maestro. The four different play modes offer different levels of cooperation by the maestro: in the first play mode, the maestro keeps a strict beat and does not react to either of the two players; thus, the players have to adapt to stay on time. In the second play mode, the maestro changes his tempo and gets faster or slower or both. In the third play mode, the maestro establishes a cooperative tapping behavior by employing a simple phase and period correction model: he “listens” to the taps of his fellow players and adapts his tapping tempo and phase to stay as closely together as possible. In the fourth play mode, the maestro cues in with four beats and leaves the two players on their own. This exhibit implements current sensorimotor models of temporal coordination that are based on current research on synchronization and communication in music ensembles.

Vienna, Austria
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Institute Of Music Acoustics (Wiener Klangstil)
Institute Of Music Acoustics (Wiener Klangstil)
Alexander Mayer and Vasileios Chatziioannou and Werner Goebl

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