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SuperCollider running ultra-low-latency on Bela (Beaglebone)

OK now here we've got lots of lovely good news. Not only have my colleague Andrew McPherson and his team created an ultra-low-latency linux audio board called Bela. Not only can it do audio I/O latencies measured in microseconds (as opposed to the usual milliseconds). Not only did it just finish its kickstarter launch and received eleven times more funding than they asked for.

The extra good news is that we've got SuperCollider running on Bela. So you can run your favourite crazy audio synthesis/processing ideas on a tiny little low-latency box, almost as easily as running it on a laptop.

Can everyone use it? Well not just yet - the code to use Bela's audio driver isn't yet merged into the main SuperCollider codebase, and you need to compile my forked version of SC. So this blog is just to preview it. But we've got the code, as well as instructions for compiling, in this fork over here, and two of the Bela crew (Andrew and Giulio) have helped get it to the point where now I can run it in low-latency mode with no audio glitching.

Where do we go from here? It'd be nice if other people can test it out. (All those Kickstarter backers who are receiving their boards sometime soon...) There are a couple of performance improvements that can hopefully be done. Then eventually I hope we can propose it gets merged in to the SC codebase, perhaps for SC 3.8 or suchlike.

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