Playback Stops - LG WebOS – Audio Transcoding causes regular interruptions

[Kamui]

Hi everyone,
I'm running into an issue when watching certain movies through Jellyfin, and I'm hoping someone can help or point me in the right direction.

Problem Description
I watched my second movie on my new Jellyfin System, this time playback stopped at irregular intervals — first after about 40 minutes, then again roughly every 5 minutes.
After each stop, I had to exit the playback and restart the movie.

In the admin dashboard, I saw that the audio track was incompatible with the client device (LG TV WebOS App), so Jellyfin transcodes the audio stream.

(The movie I watched the day before was without any transcoding and ran without any problems.)

However:

• Server load was low throughout (CPU, disk, and network usage all normal)
  
• Even after the audio transcode was fully completed, the playback continued to stop repeatedly
  

System Details

• Jellyfin Version: 10.10.7
  
• Server OS: Windows 10 Enterprise
  
• CPU: Intel Xeon E3-1271 v3 @ 3.60GHz
  
• RAM: 16 GB
  
• Storage: Server and transcoding cache both run on SSD
  
• Client: LG TV (native WebOS Jellyfin App)
  
• Transcoding settings: Default, untouched
  
• Normal playback method: Direct Play over local network
  
• Media file: 1080p x264 with DTS Audio
  

Logs
I didn’t find much in the logs, except for a recurring line:
out#0/hls

I’m not sure if that’s related, but it was logged around the time playback dropped.

Questions

• Is this kind of issue known with WebOS clients and transcoded audio?
  
• Could the "out#0/hls" log message point to a stream packaging/segmenting problem?
  
• Should I consider changing transcoding settings?
  
• Is there any way to force Jellyfin to pre-transcode fully before playback starts? 
  (Although that probably wouldn't help either, because even after it had completely transcoded, it still froze.)
  

Performance-wise the server should easily be able to handle this — which is why I’m confused.

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Any advice or suggestions would be greatly appreciated! Let me know if you need full logs or more system details. Thanks!