EarScribe

Lecture transcription

Turn lecture recordings into searchable notes

Convert a recorded lecture, seminar, webinar or revision session into text you can search and revisit. Use timestamps to hear the lecturer's explanation, correct course terminology, and export clean notes.

  • Search for a concept instead of replaying the full class
  • Return to the exact explanation from a timestamp
  • Edit course terms before exporting study notes
Drop an audio file or click to browse
MP3, WAV, M4A, OGG, FLAC, WebM — practical length depends on device memory

Review the transcript before you export

From a recorded class to useful study material

1

Choose the lesson recording

Use the original recording when possible. Recordings captured close to the lecturer generally transcribe better than distant room audio.

2

Search and listen

Find the topic, formula or term in the transcript, then replay the surrounding explanation from its timestamp.

3

Build the final notes

Correct terminology and remove irrelevant sections before exporting text to your notes or reference system.

Searchable lecture transcript with timestamps and editable study text

lecture transcription to notes

Turn a lecture recording into searchable study material

A lecture transcript is most useful when it helps you return to an explanation. Search a term, replay the surrounding seconds, and then shape the corrected text into notes that match how you study.

Search for the concept, not the whole recording

After transcription, search for a key term, name or definition. The timestamp takes you back to the explanation, which is more useful than rereading a long unstructured block of text.

For long lectures, choose a model that your device can handle and remove long silent sections when possible. Practical processing length is determined by browser memory, not by the word unlimited alone.

Correct terms before they become study mistakes

Replay formulas, names and specialist vocabulary before adding them to notes. Speech recognition cannot see slides, board work, diagrams or gestures, so add those visual details yourself.

Use the transcript as a study aid, not as a substitute for the original class or the instructor's materials. Keeping the source recording makes later checking much faster.

Save notes in the format you will revisit

TXT works well for a clean outline. JSON preserves segment timing for a personal study workflow, while SRT/VTT is useful when the lecture is being reviewed alongside a video player.

Edit the text in place before exporting so the notes, timestamps and copied excerpts all use the same corrected version.

Lecture transcript workspace with searchable timestamps and editable text
Lecture transcript workspace with searchable timestamps and editable text

Review the transcript before you export

A better lecture-to-notes pass

  1. 1

    Search

    Use a concept or proper noun to find the relevant explanation quickly.

  2. 2

    Replay

    Listen to the surrounding context before copying a definition or claim.

  3. 3

    Add visuals

    Write in formulas, diagrams, slide references and board content yourself.

  4. 4

    Review

    Keep the recording and course materials beside the exported notes for later checks.

What a lecture transcript cannot see

  • Audio transcription does not capture slides, diagrams, formulas or gestures. Those need to be added from the original class materials.
  • EarScribe processes recordings after you select them; it is not a real-time classroom note taker or an automatic lecture summarizer.

Use transcripts as a study aid, not a replacement

  • A transcript can miss diagrams, equations and gestures that were only visible on screen or a board.

  • Keep timestamps when an explanation depends on tone, emphasis or visual context.

  • Check your institution's recording and sharing policy before transcribing a class.

Questions about this workflow

Can EarScribe transcribe a two-hour lecture?

It may work on capable devices, but browser memory is the practical limit. Splitting long recordings is more reliable on phones and low-memory computers.

Can it understand technical course vocabulary?

Whisper can recognize many terms, but names, formulas and specialist vocabulary still need review. Editing is available in the result workspace.

Can I use the transcript as subtitles for a lecture video?

Yes. After checking the text and timing, export SRT or VTT and add it to the video platform or editor.

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