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Stereophile Series on MQA Technology


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There are more lectures by Hans Beekhuyzen about MQA, for several distributors and resellers:
 

MQA lecture by Hans Beekhuyzen, by the NL branch of AES:

https://www.facebook.com/events/1305380532856375/
http://sound-engineering.nl/nl/lezing-aes-mqa/
http://www.aes-section.nl/lezingen/project 247/project247.html

Tijdens de lezing gaat audiojournalist Hans Beekhuyzen in op vragen als:

    hebben we meer bandbreedte nodig dan 20 kHz en zo niet,
    waarom dan hogere bemonsteringsfrequentie?
    Hoe word de hogere informatiedichtheid in een MQA bestand bereikt en
    wat zijn de vooruitzichten in de toepasbaarheid?


-> do we need more bandwidth than 20 kHz, and if not:
-> do we need a higher sample rate? (only for the fake time domain claim in the renderer / upsampler)
-> how is higher information density reached in an MQA file?
-> what are the prospects and applications?


XFI lecture by Hans:

https://www.audiovideo2day.com/x-fi-2016-lezing-mqa/
Wordt MQA het nieuwe audioformaat?
"Is MQA the new world format"?
-> includes the typical MQA lies "
bieden MQA-bestanden gegarandeerd de kwaliteit uit de studio "
 

"MQA files are offering the quality of the studio guaranteed" -> sorry Hans but this has already been debunked


Lecture for Dali / Bluesound by Hans:

https://www.audioclub-limburg.nl/dali-benelux-bv-presenteert

 


He is advertising his services to us via email. You can't convince me he is NOT being paid to give these MQA lectures. Hans is not doing a very critical review of MQA, but quite the opposite. Furthermore Hans was outside our room at the XFI show where I overheard him discussing the remunerations of the hifi journalism business.


 

Designer of the 432 EVO music server and Linux specialist

Discoverer of the independent open source sox based mqa playback method with optional one cycle postringing.

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1 hour ago, Evangelist said:

BTW Evangelist means nothing more than "bringer of good news' and that is what I try to do: bring good audio news.

 

You forgot this meaning

 

noun

1.
an occasional preacher, sometimes itinerant and often preaching at meetings in the open air
2.
a preacher of the Christian gospel
3.
any zealous advocate of a cause
 
 
Carry on. You support MQA good for you.

The Truth Is Out There

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22 minutes ago, mav52 said:
an occasional preacher, sometimes itinerant...any zealous advocate of a cause

 

He's come to the right site then.  I imagine he'll have a Damascene conversion in the company of an anonymous rich friend in a few days time and start the "MQA is the work of the Devil" thread.

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28 minutes ago, Norton said:

 

He's come to the right site then.  I imagine he'll have a Damascene conversion in the company of an anonymous rich friend in a few days time and start the "MQA is the work of the Devil" thread.

 

Do you mean Soros?

 

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"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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Maybe he doesn't get money, but some people crave attention, adoration and respect.  You get some of that on a pulpit.  Maybe he is a zealot.  The more importand point is how MQA is propogating and potentially threatening archives of older and new music.  I have been to enough demonstrations and had to plug my ears due to the thin shrill nature of the technology.  I know my bias.  

 

The voices of independent analysis could get together with a joint approach to record label executives and pitch some truth.  Just remember, its a damaged industry struggling to find revenue source.  MQA has been selling that story. Revenue.  You need a story yourelf and a market analysis to back it.  

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Hey Guys - No personally attacks allowed here. You can question someone and his/her motives etc... but be careful about speculating about one's person, mental state, etc...

 

Also, I see quite a bit of speculation under the guise of concluded fact. Be careful here as well. It can work in the opposite way you'd like. If your argument is that someone is in the pocket of MQA and is getting paid for it, you better show some evidence. If all you have is circumstantial evidence, you best not state your opinion as fact. Doing so will only hurt your credibility on this topic and potentially others. 

 

Carry on :~)

Founder of Audiophile Style | My Audio Systems AudiophileStyleStickerWhite2.0.png AudiophileStyleStickerWhite7.1.4.png

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On 12/12/2017 at 9:56 AM, GUTB said:

The real reason why Schiit doesn’t implement MQA is because they’re on such tight margins with thier no-questions-asked return policy direct dealer model. They put out cheap gear in large quantities. The reason why they don’t implement DSD seems to just be lack of expertise.

 

Most of the high end is embracing MQA simply because thier clientele are much more demanding than Schiit’s or the standard Chinese shovelware users.

 

I sure got a lot feedback about whether DSD was vaporware last year. Several people who record in DSD almost begged me not to lump DSD with MQA. But the same issue applies. Where is the music?

 

Actually the last time I checked less than a third of the 150 companies who signed NDA's have actually produced MQA products. And your comment high end embracing MQA doesn't square with Michael Lavorgna's comments that I have a good enough DAC I don't need one with MQA. I seem to remember John Darko making similar comments too.

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The most commonly used manipulation technique is to present as equal entities that are not equal. "Lumping" together the DSD and MQA discussions would be a deliberate manipulation.  Using the word "bagging" implicitly puts down the DSD recorders.  Maybe they tried to explain the difference and they felt hopeless. 

 

Could you show a public source for the information how many companies signed the NDA?

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22 minutes ago, Rt66indierock said:

Where is the music?

There's lots of it if you like classical. Or folk and second rate Jazz. 

Main listening (small home office):

Main setup: Surge protector +>Isol-8 Mini sub Axis Power Strip/Isolation>QuietPC Low Noise Server>Roon (Audiolense DRC)>Stack Audio Link II>Kii Control>Kii Three (on their own electric circuit) >GIK Room Treatments.

Secondary Path: Server with Audiolense RC>RPi4 or analog>Cayin iDAC6 MKII (tube mode) (XLR)>Kii Three .

Bedroom: SBTouch to Cambridge Soundworks Desktop Setup.
Living Room/Kitchen: Ropieee (RPi3b+ with touchscreen) + Schiit Modi3E to a pair of Morel Hogtalare. 

All absolute statements about audio are false :)

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5 hours ago, crenca said:

 

Chris,

 

It's not Hans affiliated with the industry? His YouTube channel is a for-profit business, just like a Blog is.


And several video's are Patreon only. So for profit. In the past he wrote for Vi-Fi, which I respected as he was one of the few to show measurements of gear, and he was a pioneer in streaming reviews. Stuff like the early squeezeboxes, ... This was 10y ago. His magazine went bankrupt, official reason because the bank pulled the plug.

Years later he rebooted his activities via his video channel and the HB project, which are for profit business. His company is Beekhuyzen Beheer BV

https://drimble.nl/bedrijf/nieuwegein/5852404/beekhuyzen-beheer-bv.html

 

I receive his commercial emails signed Beekhuyzen Beheer BV:

The Hans Beekhuyzen Channel en TheHBproject.com are proporties of  Beekhuyzen Beheer BV

I expect no longer to get receive them in the near future.

I stopped respecting HB when he started doing MQA lectures, and responded very uncritical to my technical remarks, which I hoped he would integrate them in his presentations.

Designer of the 432 EVO music server and Linux specialist

Discoverer of the independent open source sox based mqa playback method with optional one cycle postringing.

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3 minutes ago, FredericV said:


And several video's are Patreon only. So for profit. In the past he wrote for Vi-Fi, which I respected as he was one of the few to show measurements of gear, and he was a pioneer in streaming reviews. Stuff like the early squeezeboxes, ... This was 10y ago. His magazine went bankrupt, official reason because the bank pulled the plug.

Years later he rebooted his activities via his video channel and the HB project, which are for profit business. His company is Beekhuyzen Beheer BV

https://drimble.nl/bedrijf/nieuwegein/5852404/beekhuyzen-beheer-bv.html

 

I receive his commercial emails signed Beekhuyzen Beheer BV:

The Hans Beekhuyzen Channel en TheHBproject.com are proporties of  Beekhuyzen Beheer BV

I expect no longer to get receive them in the near future.

I stopped respecting HB when he started doing MQA lectures, and responded very uncritical to my technical remarks, which I hoped he would integrate them in his presentations.

 

Thus, his is an audio related business not different than ML's, except that it might very well be $successful$.  Industry affiliated indeed...

Hey MQA, if it is not all $voodoo$, show us the math!

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5 minutes ago, crenca said:

 

Thus, his is an audio related business not different than ML's, except that it might very well be $successful$.  Industry affiliated indeed...


It's a business:

image.thumb.png.9dc7dea19292e0af972e544698cb5bb9.png

This was sent to a lot of email addresses, so no privacy is being violated as this is not a personal message.
His rates are not absurd or overpriced, but it shows it's an actual business.

image.png

Designer of the 432 EVO music server and Linux specialist

Discoverer of the independent open source sox based mqa playback method with optional one cycle postringing.

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6 hours ago, exa said:

The most commonly used manipulation technique is to present as equal entities that are not equal. "Lumping" together the DSD and MQA discussions would be a deliberate manipulation.  Using the word "bagging" implicitly puts down the DSD recorders.  Maybe they tried to explain the difference and they felt hopeless. 

 

Could you show a public source for the information how many companies signed the NDA?

 

Sorry no manipulation technique. The only way I lumping things together was the amount of music available simple math. As of today there is not enough music recorded in real DSD to have a discussion about whether DSD is commercially viable. Chris asked the question early in the MQA is Vaporware thread. Go look at my answer it hasn't changed. Cookie at Blue Coast Records isn't very optimistic about the format. She can make a great DSD recording with a $700 Sony Digital Recorder and a couple really good mics. I can can make a good one with the same recorder but there is no demand for DSD because there are not editing tools available. You have to convert the file to PCM to edit the file and convert it back.  

 

The number of companies who have signed is in MQA Ltd's 2016 financial statements page 1 the Business Report and the number is as of April 6, 2017

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3 minutes ago, Rt66indierock said:

there is no demand for DSD because there are not editing tools available. You have to convert the file to PCM to edit the file and convert it back.  

 

Not quite accurate. You can use the Pyramix DAW to edit DSD files. It converts the DSD data to DXD PCM just for the splice but leaves the data either side of the splice as DSD.

 

John Atkinson

Editor, Stereophile

 

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4 minutes ago, John_Atkinson said:

 

Not quite accurate. You can use the Pyramix DAW to edit DSD files. It converts the DSD data to DXD PCM just for the splice but leaves the data either side of the splice as DSD.

 

John Atkinson

Editor, Stereophile

 

Or like the Japanese SHM SACDs, either do a flat transfer from the analog tape, or apply any mastering in the analog domain, then capture to DSD. No DXD conversion required theoretically.

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9 minutes ago, John_Atkinson said:

 

Not quite accurate. You can use the Pyramix DAW to edit DSD files. It converts the DSD data to DXD PCM just for the splice but leaves the data either side of the splice as DSD.

 

John Atkinson

Editor, Stereophile

 

 

I'm just saying the same thing Cookie Marenco says at seminars on DSD at audio shows when she says why DSD isn't more widely used.  I appreciate your monitoring the MQA so closely. Keep it up and keep deleting posts about Bob Stuart's financial information on Stereophile's site. It spreads the information faster then leaving it up.

 

PS you weren't quite accurate about everything in the MQA posts still on Audio Asylum this morning. Several of mine were deleted.

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21 minutes ago, John_Atkinson said:

 

Not quite accurate. You can use the Pyramix DAW to edit DSD files. It converts the DSD data to DXD PCM just for the splice but leaves the data either side of the splice as DSD.

 

John Atkinson

Editor, Stereophile

 

 

My understanding is that it depends on the type of splice. Butt splices don't require conversion to DXD while crossfades do.

Sometimes it's like someone took a knife, baby
Edgy and dull and cut a six inch valley
Through the middle of my skull

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10 minutes ago, Rt66indierock said:

 

I'm just saying the same thing Cookie Marenco says at seminars on DSD at audio shows when she says why DSD isn't more widely used.  I appreciate your monitoring the MQA so closely. Keep it up and keep deleting posts about Bob Stuart's financial information on Stereophile's site. It spreads the information faster then leaving it up.

 

PS you weren't quite accurate about everything in the MQA posts still on Audio Asylum this morning. Several of mine were deleted.

 

A significant portion of my listening (50%)?  is through HQPlayer, upsampling to DSD.  That said, I have to agree with you that native DSD can be usefully termed vapourware.  Positively you could term it "niche", really really niche.  I truly enjoy some of my native DSD classical, but the fact is most of the quality of these recordings is due to the players, care in recording, etc.  If they were recorded 24/96 or better and I played them through HQPlayer, the difference would likely be extremely negligible...

Hey MQA, if it is not all $voodoo$, show us the math!

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