Published June 30, 2015
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Fig. 4. A in Identification of Sound-Producing Hydrophilid Beetles (Coleoptera: Hydrophilidae) in Underwater Recordings Using Digital Signal Processing
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Fig. 4. A half-second vocalization by Tropisternus blatchleyi from 0–5,000 Hz changed into the frequency domain using the Fast Fourier Transformation. Active call frequency regions are at 1,100 Hz and 4,400 Hz. The first feature for T. blatchleyi divides the sum of the points in the active frequency band by the sum of the points in the inactive band, yielding a large number in T. blatchleyi exemplar calls.
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Published as part of Wilson, Nissa, Flinn, Michael B., West, Brian & Hereford, James, 2015, The Coleopterists Bulletin 69 (2) on pages 305-315, DOI: 10.1649/0010-065X-69.2.305, http://zenodo.org/record/5332337
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- Journal article: 10.1649/0010-065X-69.2.305 (DOI)
- Journal article: urn:lsid:plazi.org:pub:8E00FF94FFDFF670FF97904DFFBAFFAA (LSID)
- Journal article: https://zenodo.org/record/5332337 (URL)