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#275896 - 2018-05-10 00:34 Re: 861v9 speculation thread [Re: 3dit0r]
Registered: 2009-08-29
Posts: 154
Jeremy A-H Offline
Hitchhiker
Jeremy A-H Offline
Hitchhiker

Registered: 2009-08-29
Posts: 154
Loc: Hampshire, UK
I think the problem may have been that any room correction would invalidate the authentication in MQA.

Looking at the recent Roon announcement/release, it would appear a way to step around the issue is now available (partially decoded MQA without the authentication, where the renderer does the final unfolding regardless, but doesn’t show the authentication flag).

Ironically, perhaps, this doesn’t work for Meridian owners yet, as the 818 can’t fully decode partially decoded MQA.


Meridian 818v3, DSP7200SE's (upgraded), Roon
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#275906 - 2018-05-10 09:22 Re: 861v9 speculation thread [Re: Jeremy A-H]
Registered: 2012-04-17
Posts: 1,750
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,750
Loc: South UK
Jeremy,

Yes, this has just been confirmed on the Roon forum.

I don't think irony quite covers it, honestly, I kind of feel it's time for Meridian to get on with things a bit!


818v3, DSP7200.2, Oppo BDP-95, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#275909 - 2018-05-10 13:24 Re: 861v9 speculation thread [Re: Jeremy A-H]
Registered: 2008-05-23
Posts: 7,688
Carl Offline
President of the Imperial Galactic Government
Carl Offline


President of the Imperial Galactic Government

Registered: 2008-05-23
Posts: 7,688
Loc: Central England, UK
Hi Jeremy,

You're on the money, but I just want to clear up some terms to aid other readers.

Originally Posted By Jeremy A-H
I think the problem may have been that any room correction would invalidate the authentication in MQA.
Not just authentication it would also destroy the encapsulated rendering information which is required to perform the subsequent unfolding during rendering process.

Originally Posted By Jeremy A-H
Looking at the recent Roon announcement/release, it would appear a way to step around the issue is now available (partially decoded MQA without the authentication, where the renderer does the final unfolding regardless, but doesn’t show the authentication flag).
Roon fully decodes (decoding is the first unfold to 2x rate). However, when Roon DSP is required, the rendering information (under the noise floor) is extracted from the MQA signal, the MQA signal is then sent though the DSP and then post DSP Roon reinsert the MQA rendering information ... so it is intact when the signal arrives at the renderer.

Originally Posted By Jeremy A-H
..., this doesn’t work for Meridian owners yet, as the 818 can’t fully decode partially decoded MQA.
That should read "can't render decoded MQA from an external source".

Trust that make sense.

Regards,
Carl


861v6+ID40, HD621, 8000.2, 7200HC, 7200, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)
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#275910 - 2018-05-10 14:00 Re: 861v9 speculation thread [Re: Carl]
Registered: 2012-04-17
Posts: 1,750
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,750
Loc: South UK
Thanks for clarification, Carl, interesting.

The million dollar question - does this mean anything in terms of a possible v9 with MQA...?


818v3, DSP7200.2, Oppo BDP-95, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#275912 - 2018-05-10 15:07 Re: 861v9 speculation thread [Re: 3dit0r]
Registered: 2008-05-23
Posts: 7,688
Carl Offline
President of the Imperial Galactic Government
Carl Offline


President of the Imperial Galactic Government

Registered: 2008-05-23
Posts: 7,688
Loc: Central England, UK
Hi,

I posted on that earlier; yes it possible to have not only 2 channel MQA but also multi-channel MQA support in the long overdue v9.
"When?" No idea frown

Regards,
Carl


861v6+ID40, HD621, 8000.2, 7200HC, 7200, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)
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#275916 - 2018-05-10 16:47 Re: 861v9 speculation thread [Re: Carl]
Registered: 2012-04-17
Posts: 1,750
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,750
Loc: South UK
Sorry I should have backtracked on the thread.

Well, hopefully sooner rather than later, then...


818v3, DSP7200.2, Oppo BDP-95, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#275921 - 2018-05-10 22:20 Re: 861v9 speculation thread [Re: 3dit0r]
Registered: 2008-05-23
Posts: 7,688
Carl Offline
President of the Imperial Galactic Government
Carl Offline


President of the Imperial Galactic Government

Registered: 2008-05-23
Posts: 7,688
Loc: Central England, UK
Let’s hope so.


861v6+ID40, HD621, 8000.2, 7200HC, 7200, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)
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#275990 - 2018-05-13 00:33 Re: 861v9 speculation thread [Re: Carl]
Registered: 2009-08-29
Posts: 154
Jeremy A-H Offline
Hitchhiker
Jeremy A-H Offline
Hitchhiker

Registered: 2009-08-29
Posts: 154
Loc: Hampshire, UK
Originally Posted By Carl
I just want to clear up some terms to aid other readers
Agreed, my response wasn’t as clear or detailed as yours.


Meridian 818v3, DSP7200SE's (upgraded), Roon
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