Live breath detection and biofeedback from a phone microphone
Live breath detection and biofeedback using a phone microphone. On-device, no speech analysis, no raw audio upload. A couple of month ago I started this little project called shii • haa, a breathing app that uses the phone`s microphone for live biofeedback My prior work in emergency medicine and intensive care was closesly linked to breathing, mostly in critical situations...
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I’m an NHS doctor and the founder of Pia ( https://www.piahealth.co ) which developed Lungy ( https://www.lungy.app ).
10Hz CO2/O2
Don't Hold Your Breath
github.comBreathing Analysis with Polar H10 HR Monitor
Addressee detection for voice agents: device-directed speech detection that runs before STT, so background speech, side conversations, and the agent's own TTS echo never trigger it. No wake word, model-agnostic, drop-in for LiveKit, Pipecat, ElevenLabs, Twilio, and OpenAI. The layer your VAD and turn detection are missing.
Download Lungy: Breathing Exercises by Pi-A on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Lungy: Breathing Exercises.