Posts: 1,642
Threads: 43
Joined: Aug 2014
Reputation:
35
05-Jan-2018, 03:45
(This post was last modified: 05-Jan-2018, 03:46 by Axel.)
(05-Jan-2018, 02:21)baddog Wrote: Actually, Roon (with or without AIR) is configurable in terms of DSP and bit rate. However, if you have a 24/96 recording, unless you configure it via the DSP settings, it will play it back at 24/96, glitches or no glitches.
Spot on. You can also check the signal that the D is receiving by holding down the source button and looking at the display. But you all probably knew that anyway!
Project Eperience X Pack with Ortofon Rondo Red MC, Oppo BDP 105D, 2 x Sonos Connect, QNAP HS251+ NAS with 2 X 6TB Western Digital Red, Mac 5K 32GB running Lifetime Roon, iPad Pro 12.9" for remote control. Etalon Ethernet Isolator, Devialet 440 Pro CI, Sonus faber Olympica ll with Isoacoustics Gaia ll feet, Auralic Taurus Mkll headphone amp., Denon AH-D5000, Sennheiser HD600 and HD800 with Cardas cable, Van Den Hul The First Ultimate and Crystal interconnects, Furutech power cables, GSP Audio Spatia speaker cable.
South Coast England
Posts: 23
Threads: 1
Joined: Aug 2016
Reputation:
0
Yes ; but above 24/96 Roon Air is no longer bit perfect.
That's why I say it downsizes sample rate to 96 maximum to avoid higher bit rates bugs we all know.
Upgraded Mac Mini - Audirvana - Dirac plugin - Air3 Wifi - Roon & Roon Air - D250 pro - Thiel CS 3.7
Posts: 266
Threads: 6
Joined: Jul 2014
Reputation:
2
(05-Jan-2018, 15:08)Inox Wrote: Yes ; but above 24/96 Roon Air is no longer bit perfect.
That's why I say it downsizes sample rate to 96 maximum to avoid higher bit rates bugs we all know.
Inox, are you sure about this? Is this set from somewhere? Is there anything stated in the “sound chain dot”? It should be clear there, shouldn’t it? Also, what happens if you are using HQPlayer and Roon? Does Roon downsample things in this case, too?
Sorry for the inquiry, it is a big issue for me (and I guess several of us) and seems really odd...
Thanks, cheers,
L
Sent from my iPhone using Tapatalk
Posts: 508
Threads: 1
Joined: Nov 2014
Reputation:
9
05-Jan-2018, 19:11
(This post was last modified: 05-Jan-2018, 19:11 by petrik.)
According to Devialet, the AIR has two modes (Bitperfect and fixed broadband):
Quote:AIR offers two different set-up options, asynchronous BitPerfect or asynchronous fixed broadband, to ensure the best possible service quality in even the most unreliable network environments.
https://www.devialet.com/soon/expert-pro...ing-audio/
I have also noticed that the AIR works in BitPerfect mode up to 96 kHz but with 192 kHz it goes automatically to fixed output mode (that definitely sounds worse). This happens when using Wifi.
Bluesound Node > Matrix Audio X-SPDIF 2 > Genelec 8351B & 7360A
Devialet 1000 Pro
Bluesound Node 2i > Genelec 8330
Tampere, Finland
Posts: 964
Threads: 10
Joined: Jul 2015
Reputation:
15
05-Jan-2018, 23:07
(This post was last modified: 05-Jan-2018, 23:09 by baddog.)
Ok so I think we are talking about Devialet AIR and sometimes Roon AIR.
I am using and discussing Roon AIR only. Roon Air is bit perfect at 24/192 as well as 24/96.
Actually, there really isn't a Roon AIR, I know we are using the term as a differentiator to the Devialet AIR drivers that runs on Macs and PCs. Roon merely supports the Devialet AIR protocol and works without the Devialet AIR driver, as it does for example with my NUC running Roon Rock OS.
Roon ROCK on Intel NUC6i5SYH/Ethernet | VPI Avenger | Devialet 440 Pro CI | Vivid Audio Giya G3 | Auralic Aires Mini | Synology 1812+ NAS
SXSW, US
Posts: 266
Threads: 6
Joined: Jul 2014
Reputation:
2
(05-Jan-2018, 23:07)baddog Wrote: Ok so I think we are talking about Devialet AIR and sometimes Roon AIR.
I am using and discussing Roon AIR only. Roon Air is bit perfect at 24/192 as well as 24/96.
Actually, there really isn't a Roon AIR, I know we are using the term as a differentiator to the Devialet AIR drivers that runs on Macs and PCs. Roon merely supports the Devialet AIR protocol and works without the Devialet AIR driver, as it does for example with my NUC running Roon Rock OS.
Yeah, thanks, Baddog, now I understand. You and I are talking about Roon’s AIR implementation, not Devialet’s AIR drivers and the like.
Cheers!
L
Sent from my iPhone using Tapatalk
Posts: 508
Threads: 1
Joined: Nov 2014
Reputation:
9
(05-Jan-2018, 19:11)petrik Wrote: According to Devialet, the AIR has two modes (Bitperfect and fixed broadband):
Quote:AIR offers two different set-up options, asynchronous BitPerfect or asynchronous fixed broadband, to ensure the best possible service quality in even the most unreliable network environments.
https://www.devialet.com/soon/expert-pro...ing-audio/
I have also noticed that the AIR works in BitPerfect mode up to 96 kHz but with 192 kHz it goes automatically to fixed output mode (that definitely sounds worse). This happens when using Wifi.
Just to clarify, I'm also talking about Roon AIR over Wifi. It goes to fixed output mode with 192 kHz, as you can see here:
![[Image: Signal%20Path2.PNG?raw=1]](https://www.dropbox.com/s/ha484gprauur6bo/Signal%20Path2.PNG?raw=1)
Bluesound Node > Matrix Audio X-SPDIF 2 > Genelec 8351B & 7360A
Devialet 1000 Pro
Bluesound Node 2i > Genelec 8330
Tampere, Finland
Posts: 964
Threads: 10
Joined: Jul 2015
Reputation:
15
06-Jan-2018, 08:59
(This post was last modified: 06-Jan-2018, 09:08 by baddog.)
Interesting - this is using Roon using AIR protocol via ethernet. 24/192 FLAC file. I will have to try this with WIFI and see what I get as a result.
Roon ROCK on Intel NUC6i5SYH/Ethernet | VPI Avenger | Devialet 440 Pro CI | Vivid Audio Giya G3 | Auralic Aires Mini | Synology 1812+ NAS
SXSW, US
Posts: 1,642
Threads: 43
Joined: Aug 2014
Reputation:
35
Perhaps if the Wi-Fi network is deemed not to be robust enough, Roon downsamples. This is a wild guess and probably wrong! 
Project Eperience X Pack with Ortofon Rondo Red MC, Oppo BDP 105D, 2 x Sonos Connect, QNAP HS251+ NAS with 2 X 6TB Western Digital Red, Mac 5K 32GB running Lifetime Roon, iPad Pro 12.9" for remote control. Etalon Ethernet Isolator, Devialet 440 Pro CI, Sonus faber Olympica ll with Isoacoustics Gaia ll feet, Auralic Taurus Mkll headphone amp., Denon AH-D5000, Sennheiser HD600 and HD800 with Cardas cable, Van Den Hul The First Ultimate and Crystal interconnects, Furutech power cables, GSP Audio Spatia speaker cable.
South Coast England
Posts: 23
Threads: 1
Joined: Aug 2016
Reputation:
0
Hi All,
Petrik illustrated what I was talking about, using Roon Air (not Devialet Air 3) and Wifi. Baddog is right, this is not happening with Ethernet.
What I suppose is that Air is not stable enough - we know it - so Roon avoided higher bit rates bugs by using the fixed output mode.
This is the reason why I also use Audirvana ; no bitrate limitation but another bug : you need to reset Air 3 or unplug/plug the Devialet when your next file is not at the same bitrate than the previous one : in this case it's a full stop.
I hope RAAT will put an end to all this when implemented in the CI card....
Upgraded Mac Mini - Audirvana - Dirac plugin - Air3 Wifi - Roon & Roon Air - D250 pro - Thiel CS 3.7
|
