Acoustruments: Passive, Acoustically Driven, Interactive Controls for Handheld Devices

Presented at the recent Siggraph and coming out of Disney research labs, this project proposes the idea of Acoustruments - low-cost, passive, power-less mechanisms, made from plastic that can bring tangible functionality to handheld devices.

Through a structured exploration, the research team identified an expansive vocabulary of design primitives, providing building blocks for construction of tangible interfaces utilizing smartphones’ existing audio functionality. By combining design primitives, familiar physical mechanisms can all be constructed from passive elements. Acoustruments can also create end-user applications with rich, tangible interactive functionalities. Experiments show that the system can achieve 99% accuracy with minimal training, is robust to noise, and can be rapidly prototyped.

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