this post was submitted on 02 May 2025
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Jellyfin: The Free Software Media System

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I set up a 3-yo PC with internal SSD and latest Ubuntu. Am running latest Jellyfin in docker. Client is on an iPad mini. Not much traffic on network.

It finds all the titles fine, but when playing back, the sound is often out of sync by 2-5 seconds, and subtitles are off by 10-15 seconds. You can adjust the subtitle offset through trial and error and maybe get them close, but there's no way to adjust audio sync.

Disabled "Prefer fMP4-HLS Media Container" based on this recommendation: https://github.com/jellyfin/jellyfin/issues/11723

Rebooted and updated all parts. Still didn't fix the issue.

Any other suggestions? It happens across multiple titles.

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[โ€“] gccalvin@lemmy.world 2 points 2 months ago (1 children)

I believe this typically happens if transcoding is needed and it can be "fixed" by enabling "Always burn in subtitle when transcoding" in the subtitles options.

[โ€“] fubarx@lemmy.world 1 points 2 months ago

Thanks, didn't know about the setting. Also found I could change font size and position of subtitles. One more thing solved.