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Reference · Picture & sound

Timed-text cue: IPTV reference

A timed-text cue is a unit of text associated with a start and end time in a caption or subtitle presentation. It may also carry placement or styling information where the format and player support it.

Illustrated picture & sound guide

What does Timed-text cue mean?

A timed-text cue is a unit of text associated with a start and end time in a caption or subtitle presentation. It may also carry placement or styling information where the format and player support it.

Why it matters

Readable captions depend on more than correct words. Cue timing, line length, speaker changes and overlap influence whether viewers can follow the programme. A fixed subtitle-delay control shifts cues together but cannot correct a mismatched edit or progressively changing timing. Placement instructions can also explain why one track appears differently from another in the same player.

A practical example

If one cue covers a scoreboard while other captions remain sensibly positioned, report the track and timestamp rather than changing the television’s global aspect ratio. If every cue is partly off-screen, inspect overall zoom, overscan and subtitle sizing before assuming the entire file is defective.

Continue reading

Related terminology: Time-shift channel, Tone mapping.

For practical setup and troubleshooting, browse the journal or support guides.

Further reading

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