DSD to PCM Conversion Issue with Roon and Aurender N20 (ref#1V2774)

Hi! What’s not quite right with Roon?

· None of the above quite fits

None of the above quite fits

· None of these quite match

Tell us what's going on

· I have a new Aurender N20 with latest version, Roon Rock latest version and a Marantz SACD 10 CD/DAC connected via USB. If I play DSD files with Conductor app or JPlay then the Marantz get the DSD stream and it plays perfect. I mostly use Roon and then the DSD stream is converted to PCM 352khz by Roon. I would like Native DSD or DoP to work. Please help, thank you.

Tell us about your home network

· Telenet router and aruba switch

Please show the settings in Roon (screenshots). And use DoP.
DSD up to 256 and PCM 384kHz / 32bit support via USB

@Luc_Vandevyver,

According to the diagnostic data we received, your Aurender DAC supports DSD natively.

Could you please share a screenshot of the Device Setup for the Aurender? Also, if you have any DSP enabled in Muse, could you please share a screenshot of that as well?

Thanks.



If I configure the device for Native DSD the option to set the max DSD rate disappears and then DSD is converted to PCM. If I configure the device as DoP then DSD works fine and I can set the max DSD rate in device setup

So no NATIVE DSD but only DoP

I have no MUSE configured

Aurender DAC? He has a Maratntz DAC

@Luc_Vandevyver,

Thanks for the confirmation.

The situation is a bit confusing at this point.

Do we understand correctly that it works fine for you over DoP, but falls back to PCM when you set the DAC to Native?

Thanks.

Yes that is correct. Aurender is a streamer/bridge for Roon and the Marantz is connected via USB to the Aurender.

@Luc_Vandevyver,

Thanks for confirming that.

Could you please share screenshots of the Signal path when the Aurender is set to DoP and when it is set to Native DSD?

Thanks.

When in DoP

In Native mode

Hey @Luc_Vandevyver,

Thanks for all the additional information!

When you use Conductor or JPlay, Aurender talks to the Marantz using its own USB audio stack, and when the Aurender is used as a Roon endpoint, Roon relies on what Aurender reports to Roon and what Aurender reports the DAC can do over USB.

So the overall issue here appears to be that the Aurender does not expose Native DSD capability to Roon properly.

After reviewing the N20 feature page, this unfortunately might be a case where Native DSD isn’t actually possible. The N20 start guide mentions:

“On some Aurender models (see “File Type & Resolution Support” comparison table below), “Native” DSD output is available via USB. However, only a very small handful of select DACs support “Native” DSD input FROM A LINUX BASED SOURCE.”

Full page here:
https://ask.aurender.com/hc/en-us/articles/25260999249175-N20-Quick-Start-Guide?utm_source=chatgpt.com

Is there a particular reason you’d prefer not to use DoP in this case?

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