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FredericV

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  1. Those who really know & understand hi-res, confirm MQA is a hoax:
  2. It's as preposterous as this: and this is from MQA's own site ... Some recording -> MQA encoding -> some Brinkmann dac -> vinyl .... yes as absurd as putting MQA on R2R
  3. Being on Facebook in too many audiophile groups, sometimes we see some crazy SH* Why would you want to put MQA on analog tape? Since I'm in the music server business I don't care about analog tape or vinyl. Decent digital can sound very analog. Why go through all the hassle of MQA on R2R?
  4. Does anyone know what 24 bit pure lossless mode is supposed to be, in MQA speak? I would assume 1x rate with no unfold data to 2x rate, as information theory dictates you can't assign those 8 LSB bits from a 24 bit MQA distribution file to both 24 bits of actual audio bit depth AND at the same time the crypto data to unfold to 2x rate. https://www.stereophile.com/content/mqa-questions-and-answers-bit-depth-mqa Also note that MQA does not make any hard statements about the actual noise floor, except the relative claim: " 3–6 bits below the content noise in the audio band" and "noisefloor is stable throughout a song or work" . They only talk about dynamic range, which is misleading: https://www.prosoundweb.com/channels/av/the_differences_between_dynamic_range_signal-to-noise_ratio/ The 16-bit compact disc has a theoretical undithered dynamic range of about 96 dB; however, the perceived dynamic range of 16-bit audio can be 120 dB or more with noise-shaped dither https://en.wikipedia.org/wiki/Dynamic_range MQA is in the "perceived" category
  5. Sometimes we need to remind you that MQA is NOT 24 BIT. This is from public FB. Anyone can look him up and see this post. MQA uses a 24 bit flac container, but it can't resolve 24 bit - no matter what the influencers claim - they never learn - and they are wrong. Maybe he can explain where MQA gets it's data for the first unfold, and still be able to resolve 24 bit ...he can't .... Even Bob admitted to Alpha Audio that music is not 24 bit but typically has a lot less resolution (which MQA uses - and gets away with - to hide it's crypto DRM below the noise floor of the music), so why does PV claim MQA is 24 bit? Where does he get that info? Does he make it up?
  6. So in a nutshell, the second MQA streaming service the influencers have been bragging about failed, so MQA is still dependent on one service provider to stream it's lossy files, which is Tidal.
  7. Maybe you should read the topic to learn we did not hack MQA Maybe you learn something
  8. While Dolby is much bigger than MQA, and Atmos is certainly not a failed format in the digital cinema world, Universal will be releasing their music upmixed to Atmos: https://www.whathifi.com/news/dolby-and-universal-partner-to-create-thousands-of-songs-in-atmos Why another format? What does this show us? They tried MQA, it failed, let's try something else then?
  9. Within the first minute, his claim has already been debunked by Brian: http://fairhedon.com/2017/11/05/an-interview-with-mastering-engineer-brian-lucey/#comment-6
  10. Damn I should have obfuscated that string. Now you don't need an MQA decoder to deblur my secret ;)
  11. I really did, how else could I come up with this ? Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render\{3956a86f-4b80-4013-be4d-879a4365a166}\FxProperties] "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},0"="{00000000-0000-0000-0000-000000000000}" "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},4"="Auzen X-Meridian 7.1" "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},9"="SpeakerHp" "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},1"="{62DC1A93-AE24-464C-A43E-452F824C4250}" "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},2"="{637C490D-EEE3-4C0A-973F-371958802DA2}" "{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},3"="{5860E1C5-F95C-4a7a-8EC8-8AEF24F379A1}" "{1da5d803-d492-4edd-8c23-e0c0ffee7f0e},5"=dword:00000000 "{1864a4e0-efc1-45e6-a675-5786cbf3b9f0},4"=hex:03,00,63,00,00,00,00,00,00,00,\ 00,00 "{61e8acb9-f04f-4f40-a65f-8f49fab3ba10},4"=hex:03,00,63,00,50,00,00,00,50,00,\ 00,00 "{1b5c2483-0839-4523-ba87-95f89d27bd8c},3"=hex:03,00,63,00,00,00,00,00,00,00,\ 00,00 "{73ae880e-8258-4e57-b85f-7daa6b7d5ef0},3"=hex:03,00,63,00,01,00,00,00,01,00,\ 00,00 "{01fb17e3-796c-4451-8163-68cdc1321a60},3"=hex:0b,00,63,00,00,00,00,00,00,00,\ 00,00 "{f311cdc7-f45f-4eb7-a864-9dc1aeeb7e6d},3"=hex:41,00,00,00,00,00,00,00 "{5b64fcb1-8c32-4844-9dcb-15a45df000fc},3"=hex:0b,00,63,00,00,00,00,00,00,00,\ 00,00 "{fc52a749-4be9-4510-896e-966ba6525980},3"=hex:0b,00,63,00,00,00,00,00,00,00,\ 00,00 "{9c00eeed-edce-4cd8-ae08-cb05e8ef57a0},3"=hex:03,00,63,00,04,00,00,00,04,00,\ 00,00 "{1b5c2483-0839-4523-ba87-95f89d27bd8c},1599"=hex:03,00,63,00,00,00,00,00,00,\ 00,00,00 "{73ae880e-8258-4e57-b85f-7daa6b7d5ef0},1599"=hex:03,00,63,00,01,00,00,00,01,\ 00,00,00 "{fc52a749-4be9-4510-896e-966ba6525980},1599"=hex:0b,00,63,00,00,00,00,00,00,\ 00,00,00 "{9c00eeed-edce-4cd8-ae08-cb05e8ef57a0},1599"=hex:03,00,63,00,04,00,00,00,04,\ 00,00,00 "{1864a4e0-efc1-45e6-a675-5786cbf3b9f0},1599"=hex:03,00,63,00,01,00,00,00,01,\ 00,00,00 "{61e8acb9-f04f-4f40-a65f-8f49fab3ba10},1599"=hex:03,00,63,00,50,00,00,00,50,\ 00,00,00 "{b1103003-c191-4275-9fa0-8c282c724bce},1599"=hex:0b,00,63,00,00,00,00,00,00,\ 00,00,00 "{c816a1a7-a119-48a5-9ad2-85451f4b5a2e},1599"=hex:0b,00,63,00,ff,ff,00,00,ff,\ ff,00,00 "{01fb17e3-796c-4451-8163-68cdc1321a60},1599"=hex:0b,00,63,00,00,00,00,00,00,\ 00,00,00 "{f311cdc7-f45f-4eb7-a864-9dc1aeeb7e6d},1599"=hex:41,00,00,00,00,00,00,00 "{5b64fcb1-8c32-4844-9dcb-15a45df000fc},1599"=hex:0b,00,63,00,00,00,00,00,00,\ 00,00,00
  12. I respect the guy, he was the one responsible for introducing room correction into windows vista, and it's bass mgt & home theater features. He knows what he's doing. Those threads were on avsforum where we even discussed how to hack the registry so that certain cards could run these features. HD plex are not true linear power supplies, and they use a shared transformer for several rails which is not the most ideal design choice. Furtthermore, wasn't there a DC - DC converter inside the latest PSU? So I'm not surprised what he measured.
  13. I fully understand that graph. MQA is a fake pseudo hi-res format which can't encode any analog signals above 48 Khz (96 Khz sampling). Any frequency above 48 Khz (or in case of 44.1K multiples such as DXD - 44.1 Khz) is fake aliased content. My research here shows it can also be done with sox, as MQA CD does not even contain a hi-res part, but still generates a lot of fake content: I did not reply because after the Hifi Deluxe show, I do not have much time for fora anymore. My mailbox is overloaded. MQA has been fully debunked. There's not much value to add to this topic. We are stirring in the same soup. Furthermore when PM's are left unanswered, I will reduce my presence here.
  14. For DAC's that don't need 5V, this card always works with the xHCI being bus powered (e.g. connected to the motherboard, and no external or molex power applied). So you are saying when you connect a 5V supply, the Renesas chip is using the same 5V?
  15. Today I had to tail some Roon logfiles during troubleshooting and I actually saw 24/96 files being requested from Qobuz, not those 24/48 MQA files which unfold to 17/96 of actual resolution, then telling the customer it's 24/96 or 24/192 or any other 48k multiple If MQA would have been honest in their technical description of the format, I would never have fought it. But calling 17/96 + upsampling master quality, and then claiming it's better than the master was the reason to start looking deeper into the technical aspects of this pseudo hi-res format. We even discovered we could throw away 1/3 of the file and the dac would still tell it's 352K resolution, which can never happen as we destroyed the hi-res part with crypto DRM. To alpha audio, Bob admitted the actual resolution of most MQA files = not 24 bit.
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