Just playing around with a piano and Analog Discovery

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Audio isn't nearly so fun as when you take a short-time-fourier transform of it.  You can then see pitch, how it moves--especially with voice, the formants from syllables, etc.

The attached image is from one of my favorite recordings of the Cathedral's singing "Echoes from the Burning Bush."  I think it's actually from the commentary before the song, 'cause you can see a bit of loud laughter, followed by more talking.




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Yeah! At some point I'm going to try playing with Fourier transforms and digitizing recordings. I've got another (related) project involving a toy keyboard that I've disassembled.

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