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Voice analysis tools cost $1,000–$5,000. PhonaLab makes them free. Built by a voice biomechanics researcher with 30+ years of experience, it runs in any browser with no software to install. It offers six validated tools: Voice Analyzer, Pitch Visualizer, AVQI & ABI Calculator, MPT & DSI Calculator, Spectrogram Generator, and Spectral Analysis. Already used by 400+ clinicians in 60+ countries.
PhonaLabFree research-grade voice analysis for speech pathologists
Jorge C Luceroleft a comment
Hi Product Hunt! I'm Jorge, a voice researcher and CS professor who spent 30 years studying how the human voice works — and got tired of watching clinicians struggle with expensive, outdated software. PhonaLab started as a side project and now serves 600+ speech-language pathologists across 60+ countries, all for free. Happy to answer any questions about the science behind it or where it's headed.
PhonaLabFree research-grade voice analysis for speech pathologists