MATRIXSYNTH: In honour of #DoctorWhoDay w/ a Raspberry Pi Zero

Thursday, November 23, 2017

In honour of #DoctorWhoDay w/ a Raspberry Pi Zero


Published on Nov 23, 2017 Pi Synth

"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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