There is no crystal ball here.
Please upload a full kodi.log file that shows playing your 'home video(s)'.
Is there a link that shows how to do this? (I have no idea how to find the log)
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Sounds like to me that there is an issue with your home movies - seems like a sync problem between audio and video.
A Kodi log might show something but I think it is the actual file that is the issue.
If you can post a snippet of the file in question (If legal and possible) somewhere, then maybe someone can analyse it.
It would help to know how you obtain these movies (Conversion, download, direct input, etc).
I've had something similar when converting a DVD to mkv, so it may be just the conversion that is causing the issue - I doubt it is Le that is the issue - but without more information it is difficult to deduce ....
Yeah, most of the home videos were taken via Canon cameras (ranging from 60D, 70D, 80D, 6D). I just import the files from my Memory Cards via Lightroom.
Then those files (can't remember the extension of the files) are what I have copied over into my QNAP TS-853a NAS, which is my media server.
It seems to be with all my files that are home videos - it is evident as some files might just be a minute, it is visible. I will have to check my regular movies to see if the very end has this same issue. But the sync is perfectly fine between audio and video during the rest of the playing. Just those last two seconds. If I can figure out how to do the Kodi log, I will put it up here.