Choose one of three approaches. The steps for that option appear below.
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ChatGPT flags likely errors from the text and glossary, then lists leftover differences. You correct against the audio.
Flag suspect lines
Correct against audio
List the differences
Resolve and finalise
Use: ChatGPT
Paste the caption text and glossary; ask for lines whose terms look wrong or break the glossary, with line numbers.
What to paste into the tool
Task: Flag list with line numbers. Here are numbered caption lines and a glossary of proper nouns and technical terms; list line numbers where a word looks like a misheard glossary term or a spelling error; do not rewrite anything and do not guess what was said.
Use: You
Watch flagged sections, correct each caption against the audio in the caption file, and write a change log with unresolved terms.
Check corrections match the audio; unresolved terms are listed, not guessed.
Use: ChatGPT
Paste the original and corrected caption text; ask for a line-by-line list of differences to check the log is complete.
What to paste into the tool
Task: Difference list. Compare these two caption texts line by line and list every line that differs; output differences only.
Use: You
Resolve anything the difference list caught, then watch flagged sections once more with the corrected captions on and finalise the file.
Check all proper nouns and terms match the glossary or are listed as unresolved.
ChatGPT drafts the corrections, change log and unresolved-terms list. You check every line against the audio.
Get ready
Draft the corrections
Check against audio
Use: You
The caption file, the glossary and the video.
Use: ChatGPT
Upload the caption file and glossary; ask for a corrected caption file, a change log and an unresolved-terms list.
What to paste into the tool
Task: Draft corrected captions, change log and unresolved-terms list. Fix this caption file so each line reads as standard wording, using the glossary for proper nouns and technical terms; keep timings and line order unchanged; do not rewrite meaning; list every change in a change log and list any term you could not resolve in an unresolved-terms list.
Use: You
Check every corrected line against the audio and finalise the caption file, the change log and the unresolved-terms list.
Watch each corrected section with captions on; corrections must match the audio; terms match the glossary or are listed as unresolved; timings unchanged, only glossary terms applied.
Descript makes a second transcript from the video and drafts corrections from it. You check every change by ear.
Prepare the video
Transcribe and draft
Check against audio
Use: You
Have ready: the video, the caption file and the glossary.
Check the copy holds only the content needed for caption checking and the owner allows the upload.
Use: Descript
Import the video for a fresh transcript, then produce corrected captions and a change log against the original caption text and glossary.
What to paste into the tool
Task: Second transcript. Generate a transcript from this video without using the existing captions. Task: Corrected captions and change log. From this fresh transcript, produce corrected captions. List every change against the original SRT text supplied, note glossary terms applied, and list unresolved terms.
Use: You
Watch each changed section and confirm the corrected captions match the audio; approve the change log and unresolved-terms list.
Check the transcript covers the full video length, corrections match the audio, terms are correct and unresolved terms are listed.
Best when: You have the captions as text and want a start list
What it does: ChatGPT flags and diffs; you correct and finalise
Strong at: Flags come from the glossary before you start listening
Limit: No audio for the AI; plausible-sounding errors stay unflagged
Free plan: Yes
Best when: You want the AI to do the first correction pass
What it does: ChatGPT drafts corrections; you check every line
Strong at: Corrections, log and unresolved terms in one pass
Limit: Caption correction unproven; check every line by ear
Free plan: Yes
Best when: You want an independent second reading of the audio
What it does: Descript transcribes and drafts; you check by ear
Strong at: Flags come from a second reading of the audio
Limit: Two machine transcripts can share the same error
Free plan: Yes, limited (60 media minutes a month)
Before you paste into any AI tool, remove any confidential information. Put it back at the end.
Reviewer watches flagged sections with corrected captions on.
Proper nouns and technical terms are checked against the glossary.
Unresolved terms are listed, not guessed.
Check the result against your original inputs. Approve it before sharing or acting.