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Initial Development of a Portable Acoustic Array on a Large-Scale E-Textile Substrate

Author(s):
K.A. Luthy, L.S. Mattos, J.C. Braly, E. Grant, J.F. Muth, A. Dhawan, K. Natarajan, T. Ghosh, and A. Seyam
North Carolina State University

Electronic textiles offer possibilities for producing large-area sensors circuits on conformal substrates. To demonstrate this concept, a 5x4 element acoustic array was produced on a 3m x 1m fabric substrate. In the course of fabricating the acoustic array a variety of production issues were identified that impacted the performance of the prototype when experimental tests were carried out with this prototype acoustic array. Fabric-based acoustic array design and production, along with design issues related to scaling an acoustic array to handle larger numbers of microphones on large-area fabrics, are the focus of this paper.

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Track ID:
Paper #: D3.7
DOI: