First of all, Harmy, v2.5 looks spectacular. Well done! Thank you so much
Is it just me, or is the audio out of sync? I think the audio is behind the video a bit. I notice this whenever a human is talking, but also at the beginning of the opening crawl (“STAR WARS” is noticeably displayed before the audio comes in). I’ve only tested the MKV with the 5.1 audio - I can test the other audio tracks and the AVCHD when I get home tonight. I’ve tested on two different PC’s, using Plex and Kodi.
Some software players have trouble decoding DTS-HD fast enough, and it ends up lagging behind the video. I haven’t noticed anything. Try an AC3 track, which is less decoder-intensive.