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Speech-to-text for lecture notes
Study Tools · updated 2026-09-07
Accuracy is fine for plain speech and poor for notation. Budget cleanup time either way.
| Audio | Rough accuracy | Cleanup per hour |
|---|
| Clear speech, no jargon | 90-95% | 10-15 min |
| Technical vocabulary | 75-85% | 25-40 min |
| Maths and formulas | under 60% | not worth it |
| Poor recording | 60-75% | 40+ min |
Getting more out of it
- Build a custom vocabulary list of module terms.
- Transcribe, then summarise. Raw transcripts do not get reread.
- Keep timestamps so you can jump back to the audio.
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