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Bird classification using acoustic is nowadays rock solid. There are mobile application such as Merlin Bird ID or BirdNET. There is also a solution using a Raspberry PI to continuously detect and classify birds.

The only drawback is the licensing of the models and tools which are under CC-NC so it’s not actually an open source license. The paper below describes the technique using DNN and FFT.

#nature #birds #dnn #fft

🔗 https://github.com/mcguirepr89/BirdNET-Pi

🔗 Paper https://www.sciencedirect.com/science/article/pii/S1574954121000273

Automatic detection of birds song with Merlin Bird ID using the mobile phone app.

and now wondering how to do bat classification using a similar technique.

Acoustic Ecology of European Bats and a Batscanner