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Pan-dimensional being
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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.


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Hooloovoo
Hooloovoo
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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!


HC: 861v4/ID40/LPS, DSP5000, DSP5000VC, DSP3100, SW1600, HD621, Oppo BDP-105, Sony VPL-HW55ES
2-Channel: Oppo BDP-105, TEAC VRDS-7/Trichord Clock 3/PSU, 551, Quad 303, Harbeth Compact 7ES-3, Kimber cables, Russ Andrews mains and supports.
Previous Meridian: 5000C, 5200SL, 7200.2, 6000, 562V.2, 568.2mm, 800v4, 808.2i, 818v2/v3, 861v8, 502
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President of the Imperial Galactic Government
President of the Imperial Galactic Government
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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, 7200.2, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
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Hooloovoo
Hooloovoo
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Thanks for clarification, Carl, interesting.

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


HC: 861v4/ID40/LPS, DSP5000, DSP5000VC, DSP3100, SW1600, HD621, Oppo BDP-105, Sony VPL-HW55ES
2-Channel: Oppo BDP-105, TEAC VRDS-7/Trichord Clock 3/PSU, 551, Quad 303, Harbeth Compact 7ES-3, Kimber cables, Russ Andrews mains and supports.
Previous Meridian: 5000C, 5200SL, 7200.2, 6000, 562V.2, 568.2mm, 800v4, 808.2i, 818v2/v3, 861v8, 502
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President of the Imperial Galactic Government
President of the Imperial Galactic Government
Joined: May 2008
Posts: 8,506
Likes: 78
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, 7200.2, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)
Joined: Apr 2012
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Hooloovoo
Hooloovoo
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Sorry I should have backtracked on the thread.

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


HC: 861v4/ID40/LPS, DSP5000, DSP5000VC, DSP3100, SW1600, HD621, Oppo BDP-105, Sony VPL-HW55ES
2-Channel: Oppo BDP-105, TEAC VRDS-7/Trichord Clock 3/PSU, 551, Quad 303, Harbeth Compact 7ES-3, Kimber cables, Russ Andrews mains and supports.
Previous Meridian: 5000C, 5200SL, 7200.2, 6000, 562V.2, 568.2mm, 800v4, 808.2i, 818v2/v3, 861v8, 502
Joined: May 2008
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President of the Imperial Galactic Government
President of the Imperial Galactic Government
Joined: May 2008
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Let’s hope so.


861v6+ID40, HD621, 8000.2, 7200HC, 7200.2, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
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Joined: Aug 2009
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Pan-dimensional being
Pan-dimensional being
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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.


Prolific music listener / Hi-Fi addict!
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