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Hello All,

I hope someone can help me: I am running Roon on a SonicTransport i5 that is hard-wired to my router. I am using Roon's Air over WiFi on my Devialet Expert 120. Everything works perfectly fine, no dropouts or anything. Except one thing that I don't quite understand. Roon tells me that every album up to 96/24 is streamed bit-perfect into my Devialet, indicated by the white diamonds of the signal path. But as soon as a 192/24 file is streamed to the Devialet, the signal path indicates 'only' high quality signal path with a green dot located at the Devialet Air symbol (see attached screenshot).

Does that indicate that Devialet's WiFi downscales e 192/24 file to 96/24? Or in other words, is Devialet's WiFi unable to accept a 192/24 signal?

Thanks for any input!
Devialet AIR does not allow bit perfect streaming above 24/96 kHz when using Wifi. You need to use Ethernet if you want to have bit perfect 24/192 kHz streaming with Devialet AIR.
Air Wifi is Bit perfecr. If you use roon convertion, headroom and so on, then it couldn‘t be Bit perfect any more by WiFi or Ethernet
Hi

Above 24/96, the wifi changes it's mode to increase reliability I believe, I think it changes the clock control from the receiving device (the devialet) to the sending device the PC). It should still be bit perfect but the devialet is receiving a less accurately timed file (more jitter?). Whether this makes any difference depends how well the devialet deals with this, in practice I felt more comfortable with ethernet for DSD and 24/192 but it's probably more paranoia than reality. There are (or were) some pages buried somewhere in devialet's website that talk about this with a more correct technical explanation.

cheers

Chris
Found something on Roon site

Seems do be a recommendation about the network stability

[attachment=4392]


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(19-Nov-2020, 18:42)petrik Wrote: [ -> ]Devialet AIR does not allow bit perfect streaming above 24/96 kHz when using Wifi. You need to use Ethernet if you want to have bit perfect 24/192 kHz streaming with Devialet AIR.

Thanks, just realised it myself. I was just wondering if some settings in the Devialet configurator were not set correctly.
(19-Nov-2020, 19:20)ghosttipper Wrote: [ -> ]Air Wifi is Bit perfecr. If you use roon convertion, headroom and so on, then it couldn‘t be Bit perfect any more by WiFi or Ethernet

Thanks! I am aware of this. I turned off all Roon DSP parameters.
(20-Nov-2020, 09:54)Chris Marshall Wrote: [ -> ]Hi

Above 24/96, the wifi changes it's mode to increase reliability I believe, I think it changes the clock control from the receiving device (the devialet) to the sending device the PC).  It should still be bit perfect but the devialet is receiving a less accurately timed file (more jitter?).  Whether this makes any difference depends how well the devialet deals with this, in practice I felt more comfortable with ethernet for DSD and 24/192 but it's probably more paranoia than reality.  There are (or were) some pages buried somewhere in devialet's website that talk about this with a more correct technical explanation.

cheers

Chris

Wow, good to know!

I thought either Roon or Devialet would have some algorithm built in to automatically down-sample everything above 96 kHz files. But I do see the reason of increasing reliability of transmission. I switched to Ethernet in the meantime and all 196 kHz files are kept as such!

DSD? Does Devialet do some DS? Didn't know that. But I should finally read Devialet's manual!
(20-Nov-2020, 10:38)Elztalbiker Wrote: [ -> ]Found something on Roon site

Seems do be a recommendation about the network stability




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Thanks so much for the link!!! Just as the Devialet manual, I do find Roon's manual sometimes truly nested and one needs to wade through all those pages and Roon community comments.

Great link, thanks!
In the meantime, I switched my Devialet to Ethernet, and voilà, bit-perfect up to 24/196!
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