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Sensors 2016, 16(5), 622; doi:10.3390/s16050622

A Small Acoustic Goniometer for General Purpose Research

Department of Electrical and Computer Engineering, Boise State University, 1910 University Drive, Boise, ID 83725, USA
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Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 24 February 2016 / Revised: 21 April 2016 / Accepted: 26 April 2016 / Published: 29 April 2016
(This article belongs to the Section Physical Sensors)
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Abstract

Understanding acoustic events and monitoring their occurrence is a useful aspect of many research projects. In particular, acoustic goniometry allows researchers to determine the source of an event based solely on the sound it produces. The vast majority of acoustic goniometry research projects used custom hardware targeted to the specific application under test. Unfortunately, due to the wide range of sensing applications, a flexible general purpose hardware/firmware system does not exist for this purpose. This article focuses on the development of such a system which encourages the continued exploration of general purpose hardware/firmware and lowers barriers to research in projects requiring the use of acoustic goniometry. Simulations have been employed to verify system feasibility, and a complete hardware implementation of the acoustic goniometer has been designed and field tested. The results are reported, and suggested areas for improvement and further exploration are discussed. View Full-Text
Keywords: acoustic goniometer; infrasound acoustic goniometer; infrasound
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pook, M.L.; Loo, S.M. A Small Acoustic Goniometer for General Purpose Research. Sensors 2016, 16, 622.

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