You can adjust the timing offset for an external text-based subtitle. You can not change the offset of a subtitle embedded in a video file or image based subtitles.
Tip!: It is not possible to adjust the offset for subtitles that are embedded in/part of the video file itself. Only for text-based external/”sidecar” subtitles. e.g.
Supported Plex apps:
- Amazon Fire TV
- Android (mobile)
- Android TV
- Apple TV app
- Smart TVs (LG 4K/UHD [webOS 2.0+], Samsung 2016+ UHD)
- Xbox One
During playback, open the Playback Settings and select Adjust Offsets. While the screenshots below are for Apple TV, other apps/platforms have a somewhat different interface.
- Add or remove from the offset in 50 millisecond increments.
- Click Reset to set it back to a zero offset