SqueezaPulse: Adding Interactive Input to Fabricated Objects Using Corrugated Tubes and Air Pulses

Liang He, Gierad Laput, Eric Brockmeyer, Jon E. Froehlich
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引用次数: 35

Abstract

We present SqueezaPulse, a technique for embedding interactivity into fabricated objects using soft, passive, low-cost bellow-like structures. When a soft cavity is squeezed, air pulses travel along a flexible pipe and into a uniquely designed corrugated tube that shapes the airflow into predictable sound signatures. A microphone captures and identifies these air pulses enabling interactivity. We describe the underlying acoustic theory used to inform our design, an informal examination of the effect of different 3D-printed corrugations on air signatures, and our resulting SqueezaPulse implementation. To demonstrate and evaluate the potential of SqueezaPulse, we present four prototype applications and a small, lab-based user study (N=9). Our evaluations show that our approach is accurate across users and robust to external noise. We conclude with a discussion of limitations and future work.
squeezappulse:使用波纹管和空气脉冲为制造对象添加交互式输入
我们提出了SqueezaPulse,这是一种使用柔软、被动、低成本的波纹状结构将交互性嵌入制造对象的技术。当一个软腔被挤压时,空气脉冲沿着柔性管道进入一个独特设计的波纹管,该波纹管将气流塑造成可预测的声音特征。麦克风捕捉并识别这些空气脉冲,从而实现交互。我们描述了用于告知我们设计的潜在声学理论,对不同3d打印波纹对空气特征的影响的非正式检查,以及我们最终的SqueezaPulse实施。为了展示和评估SqueezaPulse的潜力,我们提出了四个原型应用程序和一个小型的、基于实验室的用户研究(N=9)。我们的评估表明,我们的方法在用户之间是准确的,并且对外部噪声具有鲁棒性。最后,我们讨论了局限性和未来的工作。
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