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Devialet and MQA
#31
(19-Jun-2020, 22:45)markush Wrote: MQA on Tidal is increasingly becoming more and more available. 
To fully exploit it would be nice if Devialet could include fully encoding in the DAC as well as DSD.
Any idea how much effort / feasible this would be?

I seem to remember reading something, possibly a comment from one of the Devialet people quoted in one of the Munich show or Oxford Audio event threads, that implementing MQA processing would adversely affect the DAC/ADH processes in the Devialet so my guess is that it isn't likely to happen, or at least not with the current Expert Pro models. It may be more feasible in a new model specifically designed with MQA processing in mind.

There are 2 steps in MQA processing, what MQA calls the first and second unfolds. The first can be done in software so it could be a candidate for inclusion in Devialet firmware BUT the first unfold can already be done in Roon and Devialet already has an association with Roon that it promotes, and it can also be done in some external devices. Even if it were possible to easily include the first unfold in Devialet software I doubt Devialet would see much benefit in adding the first MQA unfold to their list of features. It's a lot easier and cheaper to promote Roon as the way for Devialet owners to access the first unfold. The second unfold can only be done in hardware so we aren't going to see that in any current model Devialet and I doubt we'll see it in a future model

I also don't think native DSD handling is possible with the current DAC.
Roon Nucleus+, Devilalet Expert 140 Pro CI, Focal Sopra 2, PS Audio P12, Keces P8 LPS, Uptone Audio EtherREGEN with optical fibre link to my router, Shunyata Alpha NR and Sigma NR power cables, Shunyata Sigma ethernet cables, Kimber Select speaker cables, Grand Prix Audio Monaco rack, RealTRAPS acoustic treatment.

Brisbane, Qld, Australia
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#32
I would add that having increasing availability of MQA on a Tidal having 3% of market share does not ensure adding its support on Devialets make sense. It does not make sense.
In addition all major players in streaming market aren’t willing to support MQA (and pay MQA license fees).
In addition savings of broadband capacity delivered by MQA are moot due to declining prices and development of faster wired and wireless infrastructure.
All others benefits of MQA can be achieved with FLAC without paying any licenses, increasing cost of hardware and burden of closed/proprietary format.

I am against implementing MQA on Deviatet. I would rather see support for DSD128. In fact I would like to see all bugs fixed first, followed by development of cardless/offline configurator.
Roon Rock->D220Pro CI->Proac D48R
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#33
(19-Jun-2020, 23:30)David A Wrote:
(19-Jun-2020, 22:45)markush Wrote: MQA on Tidal is increasingly becoming more and more available. 
To fully exploit it would be nice if Devialet could include fully encoding in the DAC as well as DSD.
Any idea how much effort / feasible this would be?

I seem to remember reading something, possibly a comment from one of the Devialet people quoted in one of the Munich show or Oxford Audio event threads, that implementing MQA processing would adversely affect the DAC/ADH processes in the Devialet so my guess is that it isn't likely to happen, or at least not with the current Expert Pro models. It may be more feasible in a new model specifically designed with MQA processing in mind.

There are 2 steps in MQA processing, what MQA calls the first and second unfolds. The first can be done in software so it could be a candidate for inclusion in Devialet firmware BUT the first unfold can already be done in Roon and Devialet already has an association with Roon that it promotes, and it can also be done in some external devices. Even if it were possible to easily include the first unfold in Devialet software I doubt Devialet would see much benefit in adding the first MQA unfold to their list of features. It's a lot easier and cheaper to promote Roon as the way for Devialet owners to access the first unfold. The second unfold can only be done in hardware so we aren't going to see that in any current model Devialet and I doubt we'll see it in a future model

I also don't think native DSD handling is possible with the current DAC.
David - your memory is almost right!  See link below:

https://devialetchat.com/Thread-UK-event-with-Mathieu-Pernot-17-July?pid=85585#pid85585

@markush - It really is not worth worrying about Devialet incorporating MQA.  Firstly, it looks pretty clear that they are not going to do it.  Secondly, you can play MQA with a Devialet; Roon or Tidal will do the first unfold (the important bit), and if you really want to optimise further, you can use HQPlayer, which can both do the "second unfold" upsampling, and add a filter specifically designed for use with MQA.  Thirdly, many say that versus normal PCM/FLAC, some MQA tracks sound better, some sound worse.  So unless you want to keep A/B testing tracks, you are probably just as well off keeping with good old FLAC. (or similar)  Fourthly, I would tend to agree with @maxijazz, and to add to this, apparently MQA's great hope was a link with the one of "big boys" of streaming. Apple & Spotify are not interested, and now that Amazon Music HD is up and running without MQA, it looks to me like the future for MQA is looking very uncertain.

So if you like MQA there are some very solid ways of optimising your system to enjoy it whilst it is here, but I would not worry too much about Devialet's plans.

As an aside, I was looking at this review of the MQA capable Mytek Brooklyn Bridge.  OK, a very different product, but it does indicate that in some cases MQA implementation can be problematic.  If Devialet were to do it, I would not be 100% confident that they would not mess things up completely! 

http://www.hifiplus.com/articles/mytek-d...ac/?page=2
1000 Pro - KEF Blade - SOtM sMS-200Ultra Neo - tX-USBultra - Mutec REF10 - MC3+USB - Pro-Ject Signature 12
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#34
As a Devialet owner I really wish that Devialet stays as far away as possible from the intellectual fraud that MQA is!

Jean-Marie
MacBookPro -> Air -> WiFi -> PLC -> Ethernet -> Devialet 220pro with Core Infinity (upgraded from 120) -> AperturA Armonia
France
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#35
Devialet will always stay as far as possible from things that make them develop new challenging software for cool features Smile. Because they are really very bad and slow at developing software.
Devialet 220 PRO CI, B&W 804 D3, IsoAcoustics Gaia-II, Echole Omnia Speaker Cables, Mac Mini (SSD), Synology NAS(SSD), Supra CAT8 Cables, Sotm SNH-10g(fed by Sbooster MKII), Ubiquiti Edge Switch10X
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