If captions appear twice, identify where each set comes from before deleting files or changing export settings. Common combinations include text already embedded in the video plus a switchable player track, two editable overlays, or an overlay added above a previously captioned source.
Quick check: compare source, timeline and export
- Open the exported file and turn off the player's available subtitle tracks. Note which text disappears.
- Compare that export with the source recording and the editor preview.
- If duplication appears only after upload, inspect the destination's caption tracks and view the upload with captions both on and off.
A player caption switch affects its separate track. It cannot remove text already rendered into the video image. If text remains, also check for other player overlays before concluding it is embedded.
Identify the caption source
| Source | Observable check | Next action | What it cannot change |
|---|---|---|---|
| Text embedded in video pixels | Visible in the source or export with separate tracks disabled | Return to a clean source or editable project and export again | A player toggle cannot remove these pixels |
| Editable caption or text overlay | Visible as a caption/title layer in the editor | Disable the redundant layer in a duplicate project and inspect a fresh export | Hiding this layer cannot remove text embedded in imported footage |
| Separate player/platform track | One set disappears when that track is disabled | Select the intended track or adjust the destination's caption configuration | This leaves embedded text and other overlays intact |
| Embedded text plus separate track | Turning captions off removes one set but leaves another | Decide whether to deliver a clean video with selectable captions or a captioned video; preview both states | Turning off the track for yourself may not change every viewer's settings |
If two cues overlap inside a single subtitle file, investigate cue timing separately. That is different from two independently rendered caption layers.
Illustrative example: one sentence, two layers
This author-created diagram explains the mechanism; it is not a capture of a tested Cubix export or platform upload.
1. Clean source
Video image: presenter, no caption text
Separate track: off
2. Captioned export
Video image: presenter + "Ready to record?"
Separate track: off
Visible caption sets: one
3. Same export with a player track enabled
Video image: presenter + "Ready to record?"
Separate track: "Ready to record?"
Visible caption sets: two
4. Player track disabled again
Video image still contains "Ready to record?"
Visible caption sets: one
The two sets may have different wording, position or timing. A playback toggle helps locate their sources; it does not establish which text is correct.
Fix the layer you can actually edit
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Duplicate text in the editor
Preserve your project, then inspect caption and title tracks. Temporarily disable one suspected layer and preview the same moment. If the source clip itself already contains captions, adding another overlay can duplicate them even when no player track is active. Prefer the clean original if you need a new caption treatment.
One set in local playback, two after upload
Check the uploaded video's available caption tracks. The destination may offer uploaded or automatically generated captions. Controls differ by platform and account, so confirm the current options for that upload rather than assuming a universal auto-caption switch.
For YouTube, the official caption management guide describes editing and removing language tracks in YouTube Studio. Preserve a downloaded copy before removing a track. Removing a track affects viewers who rely on selectable captions; a clean export with an accurate separate track may better suit the intended delivery. No account change is needed to perform the initial playback diagnosis.
Duplicate captions in the exported file
Compare the original footage, timeline preview and export. Check whether the editor rendered an overlay while the footage already contained text. If the project supports separate caption export modes, inspect the selected mode rather than assuming a control name. For Premiere-specific missing-text issues, see captions missing from export.
Choose and test the delivery
A clean video with a separate caption track lets supported players expose caption controls. Burned-in text preserves the styling within the encoded image, but cropping, resizing and platform interfaces can still affect readability. Neither approach guarantees every device's presentation.
Keep a clean master, the editable project and original subtitle files. Embedded text obscures the original image beneath it; removing it does not guarantee recovery of those details. A clean source is the reliable starting point for a different caption version.
Before publishing, inspect the local export and the target platform at the beginning, middle and end, with selectable captions on and off. Check wording, timing, position and whether a second set remains. Use the short-form delivery checklist for the wider review.
If the remedy requires editing your caption layer, see Add Captions and the caption editing Help page.
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