Two hours of video lecture are reviewed in twenty minutes on text. Download the recording, upload it and get notes with timestamps: search a concept, find it, go back to the video only if needed.
Transcribe now, free →With text you can search, highlight, reorder by topic and write review questions. Formulas and proper names need checking; the rest of the lecturer's reasoning is there, in the order it was explained, with minutes to revisit the hard parts.
Many universities restrict lecture downloads: respect the course rules and use the text for personal study only. If the platform does not allow downloads, a screen recorder with system audio produces an uploadable file.
No, you need the file. Download it if the lecturer enabled the option, or record the audio.
Yes. Standard technical terms are recognised well; check acronyms and proper names.
Usually two or three minutes.