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Passive acoustic location information system with spatial placement of sensors in the vertices of Platonic polyhedrons
(2021) Vynar, A.; Sorovetskyi, A.
The process of the determining the sound source direction and based on the method of passive acoustic location are considered. A small-sized device based on the Orange Pi Zero single-board minicomputer and sound sensors based on the LM393 amplifier has been developed. This device can be built into existing lighting systems with the design of regular Platonic polyhedra. Options for the sound sensors placement on the plane and in 3D space which decrease the computational complexity of the problem due to the spatial placement of the microcontroller system based on Platonic solids are proposed. The software application for the offered information system of passive acoustic location (ISPAL) is developed on the basis of classical three-link architecture, contains backend and frontend components. The user interface (UI) for web and mobile versions of software are developed. The possibility of military-civilian use of the developed information system is considered.