fw/architecture.md: add stale changes
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main.c: partial DMA setup (not working)
Recursyn allows musicians to fluidly create heavily-processed monophonic sounds.
For the story behind the idea, read the blog post.
Recursyn consists of an analog synthesizer/processing engine connected in a feedback loop with a digital sampler. The instrument focuses on sound design through resampling, the technique of repeatedly processing recorded audio through different signal chains.