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alles is a many-speaker distributed mesh synthesizer that responds to control signals over WiFi. Each synth supports up to 10 additive sine, saw, pulse/square, noise and triangle oscillators, a Karplus-Strong string implementation, and a full FM stage including support for DX7 patches. They’re cheap to make ($7 for the microcontroller, $6 for the amplifier, speakers from $0.50 up depending on quality). And very easy to put together with hookup wire or only a few soldering points.

The synthesizers form a mesh and listen to UDP multicast messages. The original idea was to install a bunch of them throughout a space and make a distributed / spatial version of an Alles Machine / AMY additive synthesizer where each speaker represents up to 10 partials, all controlled as a group or individually from a laptop or phone or etc. But you can just treat them as dozens / hundreds of individual synthesizers and do whatever you want with them. It’s pretty fun!”

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