YouTube Captions Have Overlapping Start-Times

Post date: 2020-03-26 10:40:19

When watching a video on YouTube with the auto-created captions, they usually "scroll" up, line-by-line, with two lines appearing on screen at any one time. However, when downloading those captions as a text file, the start and stop times for successive lines overlap. How to fix this?

Part of a downloaded text file may look like the following:

0:00:10.370,0:00:16.289
He clasps the crag with crooked hands

0:00:13.349,0:00:18.869
Close to the sun in lonely lands

0:00:16.289,0:00:21.240
Ringed with the azure world he stands

The first line appears at 10.370, but at 13.349, the second line appears and the first line scrolls up (still visible until 16.289). Fine. But if I alter this downloaded file to fix something and then upload it, YouTube ceases scrolling and just puts the first line there and then piles the second line on top of it.

Thoughts:

Is there a way to force "scrolling" in a caption file?

I know I could change all of those start/end times, but that sounds awful.

Do you know how to fix this problem?

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