Forum Discussion

guitarboy's avatar
guitarboy
Streaming Star
3 years ago

Experience with TrueHD Atmos Audio Passthrough on Ultra 4802

I've seen a few posts on the topic of TrueHD Atmos audio passthrough with the Ultra 4802 (2022).  From these posts I've surmised that the Ultra is not able to passthrough that format.  In my case I'm...
TV & Player settings
guitarboy's avatar
guitarboy
Streaming Star
3 years ago

So to answer my own question, I'm pretty sure that Plex is stripping the TrueHD Atmos source down to Dolby Digital Plus 7.1 with no Atmos.  The Roku is then converting it back to DD+ Atmos when Digital Output is set to Auto, and passing it through as DD+ when Digital Output is set to Passthrough. So there's a lot of lossy conversion going on.