So I've had an Omnichord problem for a few years. Not an Omnichord , I don't have one of those. I have an Omnichord problem . Every few months I check eBay, see the prices, make a face, and close the tab.

At some point I thought: how hard can it be to just... build one. In JavaScript. In a browser tab. Like a normal person.

It worked! Kind of. It had the latency of a tired sloth but it worked. I told myself that was fine and I should stop there.

I did not stop there.

The latency bothered me. So I looked into fixing it. Which led me to Android audio development. Which led me to the NDK. Which led me to JNI. Which led me to Google's Oboe engine , which is what real Android music apps use for low-latency audio. I don't know how I got here.…