ACCESSIBILITY · 7 MIN READ
Review video captions with care.
Captions can help people follow speech, identify important sounds, and understand a video in more situations. A file that parses correctly can still contain errors, so use a human review.
Begin with a transcript, then verify against audio
Automatic transcription can make a useful draft, but it may confuse names, technical terms, accents, overlapping speech, and quiet words. Play the video while reading the captions. Correct words in context rather than relying on what sounds plausible in isolation. Check product names, numbers, units, and any statement that changes the meaning.
Keep timing aligned with the speaker
Captions should appear when the relevant speech or sound begins and leave enough time for the viewer to read. Review at normal playback speed and watch for cues that flash briefly, lag behind, or remain long after the line has ended. For fast conversation or on-screen steps, inspect closely rather than assuming the same timing works everywhere.
Break lines where meaning breaks
Line breaks should support natural reading. Avoid separating a name from its title, a short preposition from the phrase it belongs to, or a number from its unit. Long lines and dense blocks are harder to scan on a phone. The caption checker flags a few simple length and timing heuristics, but those are prompts for review—not universal platform limits.
Include meaningful non-speech audio
Where relevant to understanding, identify speakers and meaningful sounds such as a warning tone, a laugh, or music that signals a transition. Do not label every background noise if it adds nothing. Follow the accessibility style guidance appropriate to your audience, language, and publishing platform.
Check names, punctuation, and visual context
Verify proper names, acronyms, punctuation, and speaker changes. If speech refers to something shown on screen, make sure the captions do not obscure the important visual. Review contrast and placement in the actual edit. If a sound or text is essential and not spoken aloud, consider whether it needs an accessible equivalent.
One useful review loop
- Read the captions silently once for spelling and meaning.
- Play the video and compare every line with the audio.
- Check speaker changes, meaningful sound cues, and names.
- Review timing and line breaks on both a large screen and a phone.
- Run a basic SRT/VTT structure check, then test the exported file in the destination player.
Try the local caption file checker or make a final pass with the upload checklist.