Show HN: Overtone β Transcribe, correct and cut captions for any screen shape
Overtone is a caption format (.overtone.json), a CLI and a video.js plugin that store each spoken word once and cut captions separately per screen shape (16:9, 9:16 or custom). The transcribe pipeline combines gpt-transcribe, Azure AI Speech and optional ElevenLabs Scribe, resolves disagreements with an LLM vote, and uses an LLM editor for corrections. A small public benchmark reports 5.3% word error rate and $0.023β0.025 per audio minute.
multimodal, llm-apps, evalsΒ· Added 30 Oct 2026, published 29 Oct 2026







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