Compare the beginning, middle and end
Import your subtitle file into the editor and find a clear spoken word near the beginning. Compare when you hear it with when its caption appears. Repeat near the middle and end.
If all three captions are late by roughly the same amount, a single timing adjustment may help. If the error grows over time, or starts after a cut, check that the subtitles belong to this exact version of the recording.
Use the correct direction for an offset
In the subtitle controls, use Timing adjustment in seconds for a constant offset. A negative value moves captions earlier. If a caption appears about one second after its word, try -1 and replay the same passage. A positive value moves it later.
Start with a small change and inspect more than one cue. Do not keep shifting the whole file to repair a problem that affects only one sentence.
Repair individual cues when needed
Open Text & timing to inspect each cue’s text, start and end. Match the start to the spoken phrase and leave enough time to read it. Split very long phrases at a natural boundary when editing the subtitle file.
Check that the end of one cue does not hide the beginning of the next. If much of the text belongs to a different edit, generating or obtaining subtitles for the correct source may be faster than repairing every cue.
Verify the exported result
Preview while listening, then export a short section with subtitles. Open that output in another player. Check the first spoken phrase and a transition between two cues, including any Arabic text with numbers.
Keep the subtitle source alongside the original media. If you later change the video’s cut or speed, check timing again because the previous correction may no longer fit.
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