I have some ripped BD movies in a mkv container. The XBOX Plex client does passthrough TrueHD audio of half the files I have. Analysing the difference among them using MediaInfo, I found out that in the ones which worked, the TrueHD audio track was always the first ID in the audio track list. So, …

THANK YOU! Can confirm this fixed the issue for me. I did the same and made the TrueHD track first on the list and it worked straight away.

TrueHD silent audio, I finally found a solution

MarkV1320 September 15, 2023, 7:16pm 2

Glad you figured it out.

HERE is some previous discussion on this same issue.

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Is it possible for PMS to to dictate which audio track to play, based on the client device? Plex Media Server server-windows	2	61	May 10, 2023