Show HN: Live breath detection and biofeedback from a phone microphone

Category: library

Tags: breath-detection, biofeedback, signal-processing

Score: 6.5/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 5)

This project implements live breath detection and biofeedback using a phone microphone, combining signal processing with a state machine and quality checks to handle noisy real-world audio. It is interesting because it explores using the phone as a non-distracting mindfulness tool, with on-device analysis and a focus on honest feedback over gamification.

Target audience: health and wellness app developers, mobile developers

Repository: https://github.com/shiihaa-app/shiihaa-breath-detection · NOASSERTION

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