Show HN: Overtone – Transcribe, correct and cut captions for any screen shape

By rvanderlinden · 2026-10-29 · 16 points · 1 comments

https://github.com/lonthq/overtone-captions

Hi HN, I'm Ruud, co-founder of Lont. We turn company emails into personalized videos. Video captions cost us manual work twice: fixing misheard words, then fixing layout, like lines ending on “the”. Overtone uses multiple models to listen to the audio: gpt-transcribe, Azure STT,…

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