![]() Merlin’s pioneering approach to sound identification is powered by tens of thousands of citizen scientists who contributed their bird observations and sound recordings to eBird, the Cornell Lab’s global database. “So just like Merlin can identify a picture of a bird, it can now use this picture of a bird’s sound to make an ID.” “Each sound recording a user makes gets converted from a waveform to a spectrogram – a way to visualize the amplitude, frequency and duration of the sound,” Van Horn said. The breakthrough came when researchers, including Merlin lead researcher Grant Van Horn, began treating the sounds as images and applying new and powerful image classification algorithms like the ones that already power Merlin’s Photo ID feature. ![]() ![]() Automatic song ID has been a dream for decades, but analyzing sound has always been extremely difficult.
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