DOS Upgrade => ++Sound Quality

[struts]

On the sampling controversy, Audirvana sends 24/192 and I think that via UPnP Ethernet it doesnt get downsampled. Of course, there is no way of knowing this now, its just my guess.

In my testing (see here: https://devialetchat.com/Thread-Phantoms...#pid100012) on my K28 Phantom Golds with DOS 2.12.3 Audirvana/UPnP behaved identically to Roon/RAAT with both 24/192 and 24/96 material.  Now we can see the full signal path in Roon 1.8 we can see that the Phantom is indeed downsampling internally to 24/48.

You can see the path with RAAT and not Ethernet UPnP, so yes, RAAT signal is downsampled but your UPnP speculation is as good as mine, there is no way to know yet if the Phantoms are downsampling it.

No, I think my UPnP speculation is better than yours! Haha. But seriously, all the evidence we have suggests that the Phantom is downsampling everything (with the possible exception of Optical Direct) to 24/48 prior to DAC. I can’t prove it of course - until I get my UMIK-2. Will report back when I do.


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