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📰 Dev.to · Felix Zeller

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Real-Time Breath Detection in the Browser: Spectral Centroid, Dual-Path State Machines, and a Nasty iOS Bug

Dev.to · Felix Zeller 💻 AI-Assisted Coding ⚡ AI Lesson 2mo ago

Real-Time Breath Detection in the Browser: Spectral Centroid, Dual-Path State Machines, and a Nasty iOS Bug

Microphone-based breath detection sounds simple until you actually try it. Energy goes up, energy...

How We Solved iOS Audio Analysis for Breathwork Biofeedback

Dev.to · Felix Zeller 3mo ago

How We Solved iOS Audio Analysis for Breathwork Biofeedback

WKWebView's AnalyserNode is broken with getUserMedia. Here's how we built a native AVAudioEngine plugin for Capacitor and open-sourced it.