Felix Zeller
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🌐 dev.toSource
Real-time breath detection sounds straightforward until you try to ship it on iOS. Our app, shii·haa, guides users through breathwork and provides live biofeedback — it needs to hear you breathe and respond, frame by frame. In the browser, this is about twenty lines of Web Audio
🌐 dev.toSource
Microphone-based breath detection sounds simple until you actually try it. Energy goes up, energy goes down — that's a breath, right? In practice, you run into continuous breathing with no silence gaps, noisy environments that drift over time, and (on iOS) a Web Audio API that si