My setup looks like this: SonicTransporter i9 for ROON DSP >>> Sonore Ultra Rendu Network Audio Adapter (NAA) >>> Sonore UltraDigital USB-to-SPDIF Converter COAX >>> Denon 4520 AVR
All audio FLAC files reside on a Network Attached Storage (NAS).
While I have successfully played multichannel FLAC files in Roon in the past, I noticed recently that this is no longer the case.
For some reason, Roon is downmixing 5.1 multichannel FLAC files to 2.0 even though “Channel Mapping Only” is selected (see screenshot below).
Through my searches, I realize that I can’t find the “Channel Layout” setting for any of my Roon Endpoints, including the Sonore UltraRendu.
Where did it go? Here are more screenshots from Device Setup:
I’m scratching my head on why I’ve lost the ability to play multichannel audio.