Glossary → Captions & subtitles
Captions & subtitles
Caption positioning
Caption positioning is where captions sit on screen — bottom-center by default, moved when they would cover speakers' mouths, on-screen text, or scoreboards.
Broadcast standards support explicit positioning; simple sidecar formats like SRT do not, which is one reason professional delivery uses richer formats. Auto-captions that never move are a common accessibility complaint.
Related terms
Caption line lengthCaption line length is the maximum characters per caption line — commonly 32 in broadcast tradition, up to 42 …
Closed captionsClosed captions are timed text that can be turned on or off by the viewer, written for deaf and hard-of-hearin…
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