Can't get sound working after reinstalling the server and app

Server Version#: 1.40.5.8897
Player Version#: 4.133.0
Plex app Version#: 2.012
OS: Linux Mint 22
TV: Samsung with Smart Hub
Sound bar: Vizio

After reinstalling Plex Media Server on my Linux machine (Linux Mint 22, MATE desktop) and reinstalling the Plex app on my TV, I can’t get sound working. Before the reinstall (on Linux Mint 18), everything worked fine.

Whenever I play a video, the video is fine but I get no sound and the sound bar blinks the lights that indicated an unsupported sound format. In the app settings, I switched the sound output to PCM, as the sound bar manual says, but that didn’t work. And I tried all of the other sound settings with no luck.

Any suggestions would be welcome!

Check your server logs about 3 minutes after starting up

If you have too many directories being monitored, there won’t be any for audio transcoding of Dolby audio.

If you need to increase:

Otherwise, check permissions on transcoder temp directory, etc .
It’s going to be something silly and obvious because the player is in control over what happens to both video and audio.

Hi and thanks for these suggestions.

I restarted the server, connected from the TV, played a video (same problem), then downloaded the logs. So sign of any errors, just lots of DEBUG messages. I see my connection from the TV and the video I played. Nothing noteworthy.

I don’t have very many directories being monitored, so I don’t think this is the issue.

In /tmp I see pms-8768f677-c490-48d6-baf7-230245efda37/, which I assume is the Plex transcoder directory. It’s currently empty, bu it’s owned by user plex, so the permissions seem ok.

Any suggestions?

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