I was trying to implement a setting where i can just record bats and no other animals like crickets(insect) and all. Is there a possible way to change it in the firmware?
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Edited: Nov 26, 2019
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Unfortunately many insects, especially bush crickets, use the same range of frequencies as many bats and it would therefore requrie extremely complex software to discriminate between them. Not really feasible in real time in a simple device like the AudioMoth. Your best bet is to use some post processing and some software bat auto-classification on a more powerful PC afterwards. Although auto-classification of bat recordings does have its own limitations - not least cost, but you could look at Bat Classify, Tadarida or SonoBat amongst several others.