Lamello: Passive Acoustic Sensing for Tangible Input Components

@inproceedings{Savage2015LamelloPA,
  title={Lamello: Passive Acoustic Sensing for Tangible Input Components},
  author={Valkyrie Savage and Andrew Head and Bj{\"o}rn Hartmann and Dan B. Goldman and Gautham J. Mysore and Wilmot Li},
  booktitle={CHI},
  year={2015}
}
We describe Lamello, an approach for creating tangible input components that recognize user interaction via passive acoustic sensing. Lamello employs comb-like structures with varying-length tines at interaction points (e.g., along slider paths). Moving a component generates tine strikes; a real-time audio processing pipeline analyzes the resultant sounds and emits high-level interaction events. Our main contributions are in the co-design of the tine structures, information encoding schemes… CONTINUE READING
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