PebbleBox and CrumbleBag: Tactile Interfaces for Granular Synthesis

O’Modhrain, Sile and Essl, Georg

Proceedings of the International Conference on New Interfaces for Musical Expression

The PebbleBox and the CrumbleBag are examples of a granular interaction paradigm, in which the manipulation ofphysical grains of arbitrary material becomes the basis forinteracting with granular sound synthesis models. The soundsmade by the grains as they are manipulated are analysed,and parameters such as grain rate, grain amplitude andgrain density are extracted. These parameters are then usedto control the granulation of arbitrary sound samples in realtime. In this way, a direct link is made between the haptic sensation of interacting with grains and the control ofgranular sounds.