Mar 032018
I have been experimenting with processing birdsong in the Audacity sound editor. This is a very powerful and free program which is great for recording and cleaning up audio and inspecting its frequency spectrum. I used the Audacity spectrogram to generate a 3D model that you can view in your browser.
Click on the image below to view the 3D spectrogram. Zoom in with your mouse wheel and click-drag to rotate the view. The robin sings once at 1x speed and then again at half speed so you can follow the detail.
Click image for 3D model with sound
BTW, this was recorded on my £15 Logitech C270 webcam feeding in to Audacity. I set Audacity up to record automatically at 4am and stop at 8am.
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