Envelope and Wavelet Transform for Sound Localisation at Low Sampling Rates in Wireless Sensor Networks

<table>Three sensor nodes (SN<sub>1</sub>, SN<sub>2</sub>, and SN<sub>3</sub>) positioned at locations <svg height="14.3875" id="M123" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 15.5 14.3875" width="15.5" xmlns="http://www.w3.org/2000/svg">
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</svg>, and <svg height="14.2375" id="M125" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 15.5 14.2375" width="15.5" xmlns="http://www.w3.org/2000/svg">
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</svg>, respectively, are used for acoustic source localization.</table>

Journal of Sensors

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Figure 4

Figure 4: Envelope and Wavelet Transform for Sound Localisation at Low Sampling Rates in Wireless Sensor Networks 