No, Michael, you still are making this more difficult than it has to be.
What is the specific miniDSP component? How is it connected to the DAC? If the DAC requires a USB connection, why is a miniDSP component even involved? Why is the DAC not USB connected directly to the Nucleus?
Yet, you seemingly refuse to supply that straightforward information.
AJ
You still don’t understand the problem, sorry. There is no external miniDSP device involved. The DAC‘s USB input is obviously based on an internal miniDSP board. Similar to older DACs with an USB input based on the technology of HiFace requiring a HiFace driver or an ASIO4all driver. Go and leave the discussion!
Change your USB cable for a basic type.
I also think @benjamin has mentioned the cause in his last post.
This is information that you should have provided several days ago. It is not obvious from your previous posts. And that is why at least three different posters asked you to identify the miniDSP component.
AJ
It is one of these miniDSP boards:
https://www.minidsp.com/products/usb-audio-interface/mchstreamer
https://www.minidsp.com/products/usb-audio-interface/mchstreamer-lite
AJ
Hi Benjamin.
In the meantime I have deactivated the DAC and activated it again. Having set „Downsampling“ in MUSE Roon Nucleus is playing as intended.
One question here, since seemingly wrong reported/handled device capabilities of e.g. DACs, AMPs and the like in roon tend to happen if you turn on roon server prior to powering on some endpoint like your DAC. Always make sure that your endpoint is fully powered on before you start roon server.
Hi @Michael_Graw,
The device is relying on class-compliant ASIO drivers for Linux and the custom driver for Windows. The difference is in the driver, but it’s nothing to do with power; the processing speed of your Nucleus and Windows machine both indicate a value above 1.0x from your screenshots.
What’s at stake here is the actual ability of the last item in your audio chain to accept and decode the native DSD or DoP sent from Roon. You say you hear digital artifacts that aren’t there when you downsample. This occurs whilst streaming DoP-128 to the endpoint
The Linux ALSA announcement for this MCHStreamer card reports the accepted DSD max sample rate as 1024. This is well above the stated specs for the device.
Please first try a different USB cable and confirm the effect of this test. Please also try to power off your full system and then power devices on in the order of the audio chain (first RoonServer, then the DAC).
Thanks Connor.
I just updated Roon ( version 2.49 build 1525 ) and now the problems described are gone. No manual configuration for downsampling necessary now when playing DSD and DXD.
However: now my Roon Nucleus plus doesn’t show up anymore in the Explorer under Win11. My old Win 7 still allows exchange of music files in the same network. Most strange.
Hey @Michael_Graw,
I’m glad to hear the latest Roon update managed to rid you of your playback issues. 
We’re not seeing any Windows 7 machine tied to your account, but perhaps your Nucleus and Windows 11 machine have jumped to separate local subnets within your network? I’d access your router settings and confirm you aren’t running multiple active subnets. We’ll be on standby for your reply! 
Thanks, Benjamin.
The Win7 unit was switched off in the night!
Now online again.
Earlier versions of Winn 11 on this device had no problems showing the Nucleus.
The hint I found configuring and activating SMB1.0/CFIS support didn’t help.
Regards
Michael
Hey @maddib,
What happens if you temporarily bypass the switch?
We’re still not seeing either Windows machine tied to your account, could you please use the directions found here and send over a set of Roon logs from the Windows 11 to our File Uploader? Once logs have been uploaded, please let us know so that we can check the server for your files, thanks!
I can check this later. However my Win 11 PCs are both connected to the same switch as my Nucleus plus and don’t show the Nucleus plus while my Win 7 computer being directly connected to the router shows the Nucleus. Could it be that a Firwall rule has been chanced in the latest Win 11 update? However I can reach the Nucleus page via the browser of each Win 11 PC.
Hi.
My Win 11 PC is now directly connected to the FritzBox router as is the Nucleus plus. I can go the the Nucleus via my browser, but again: no show up of the Nucleus Plus in the explorer, see:
Roon OS will not show up in Network on Windows because it’s lacking the needed proper service announcement (so far) to accomplish that. Roon Labs also (and consequently) does not instruct users to look into Networks for Roon OS devices – use the address bar instead to connect:
You can follow the discussion regarding Roon OS file shares and current Windows here:
On my Win7 PC the Nucleus Plus shows up in the explorer!
And as mentioned earlier changing the SMB settings didn’t help at all!
Does it not work if you type in the correct path into the address bar?
Indeed, this works. And I can access all folders.
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