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November 27, 2017 AT 5:12 am

Doctor Who Theme Played on a Raspberry Pi Zero #MusicMonday @Raspberry_Pi #RaspberryPi

by Pi Synth via MATRIXSYNTH

As always, synthesized live on a Raspberry Pi Zero, featuring 10 simultaneous synths, 3 different synthesis models, audio and graphics captured real-time running on a £4 computer.

It’s nice that the software still works – mine has a dreadful tendency to code rot if I look away for a few months. The visualisation is somewhat different since the last time I posted this – the texture that drives the colours is now computed rather than loaded, and as a result it’s easier to tweak the visuals, so it all looks cooler and more electro-neon than it did before. The software now runs client/server. Synthesis is within a separate server application, the client is in charge of pushing MIDI into the server, and – unusually – pulling audio back. So the server knows nothing whatsoever about platform MIDI or audio capabilities. Visualisation is also done client-side. So the server does nothing except pull in commands and push out short blocks of synthesized audio.

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