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Found 66 results

  1. Brinkman Ship

    John Atkinson: Yes, MQA IS Elegant...

    Zen & the Art of A/D Conversion: "In a series of recent feature articles for Stereophile, Jim Austin has examined how the controversial MQA codec works: "MQA Tested, Part 1," "MQA Tested Part 2: Into the Fold," "MQA Contextualized," "MQA, DRM, and Other Four-Letter Words," and, most recently, "MQA: Aliasing, B-Splines, Centers of Gravity." I doubt there is a Stereophile reader who is unaware of the fracas associated with MQA, and I have been repeatedly criticized on web forums for describing its underlying concept as "elegant." But elegant it is, I feel. MQA Ltd.'s Bob Stuart has described the goal of MQA as being to reduce to "plumbing" everything between the original analog signal fed to the analog/digital (A/D) converter and the analog signal output by the digital/analog (D/A) converter, other than routing the signal from the original event to the end-user's system. In other words, the A/D conversion of the output of the microphone preamps (in a purist recording) or the mixing console (in a conventional recording), the transmission, storage, and subsequent D/A conversion will be transparent, except for an ultrasonic rolloff equivalent to a signal path of a few feet in air." https://www.stereophile.com/content/zen-art-ad-conversion#bf4kky2Hi5SiOKXP.99
  2. Extra Ordinary MQA Easter Egg Introduction With Easter just around the corner, iFi audio has delivered an eagerly anticipated upgrade option as a very special Easter gift. iFi first introduced MQA into its product mix with the nano iDSD Black Label in November 2017. Since then, iFi customers across the globe have been asking when this option would be available in other iFi products. The good news is that the latest improvements to the nano Black Label firmware version 5.30, ‘Cookies & Cream’, does just that. Mqa for all This latest firmware flavour not only adds the latest scoop to the nano iDSD Black Label sundae but it also dishes out MQA (Master Quality Authenticated) audio to the full range* of iFi audio products going back to 2013! This ‘legacy’ update means that you can now download the MQA upgrade (PC and Mac) straight from the Support section of iFi’s website at no extra cost. Mqa optimised Firmware version 5.30 will optimise your device for MQA and can handle up to DSD256 and PCM384. Enjoy the MQA magic like never before. And Finally… None of the above would have been possible without the MQA software engineers who worked tirelessly alongside the iFi software team to make this unique opportunity happen. Thank you. Go to https://ifi-audio.com/audio_blog/mqa-firmware/ to enjoy your upgrade. This firmware provides MQA rendering as this is the ideal solution for portable products and those with power considerations. This means the workload is shared between the host (the computer) and the client (the DAC). The listener will still enjoy full MQA experience. For more information on MQA, go to http://www.mqa.co.uk/customer/how-it-works Legacy *The only exception is the original iDAC.
  3. Rt66indierock

    MQA is Vaporware

    MQA was launched on December 2014. It is now January 2, 2017 so let’s see where MQA is at today. Remember all the people who said that MQA was not Digital Rights Management? Well Utimaco disagrees. “MQA turned to Utimaco, a leading manufacturer of hardware-based security solutions that provide the root of trust to keep cryptographic keys safe, secure critical digital infrastructures and protect high value data assets. “ “Critical to the continued success and monetization of the streaming and download services of the entertainment industry, is the ability to secure and safeguard end-to-end transmission of intellectual property. A market leader in hardened encryption, Utimaco is at the forefront of enabling the authenticated delivery needed to drive next-generation entertainment consumption.” Now turn to content. As of today there is no music in the genres 80% of American buy, Rock, R&B/Hip Hop, Pop and Country. Add Latin and EDM and you are at about 9 out of ten people buying music in America have no MQA encoded music to purchase. Don’t wait for licensee Warner Music Group to suddenly turn a switch and their music become available because they told the SEC in their latest financial statements they haven’t figured out how to distribute digital music. There are 10 companies that produce equipment with MQA decoders. None of the products have enough units in the hands of consumers to make any impact. Many companies announced they would not support the format. The view of companies neither producing products nor announcing they would not support the format is indifference. Hardly a must have feature. I said earlier this year that I would need 200 artists producing new music in the genres I regularly buy for MQA to be viable a viable format for me. I don’t see any interest by those artists in recording high resolution much less with MQA encoding. Those genres are rock, alt rock, alt country and bluegrass. And personally I will not test any MQA equipment until eight of the nine albums I use as my reference are available in MQA. The Doors “Riders on the Storm “was used as demo of MQA not realizing there was no master to authenticate. Something that was well known but apparently unknown to the MQA people and audio journalists. As of January 2, 2017 two years after its splashy launch we have a lot of audiophile press about MQA, announcements and demonstrations. But there is a limited supply of equipment to decode MQA files and no music encoded for nine out ten American music buyers, classic vaporware.
  4. Post, by "art" at SHF...a devastating paragraph that basically sums it all up concerning the press and subjective reports about MQA- "Done a lot of listening to MQA, even with a Grammy-winning engineer at his studio and his 200k home system. For a story coming in a mainstream weekly. He thought MQA was joke, of course. I was the AXPONA audio fest earlier in the year, various listening rooms and had hosts switch back and forth between MQA and the same hi-res files. Of course MQA was never as good, and it was obvious to the others in the rooms. Lots of head shaking. An Aurender rep told me that MQA is now saying their files are as good as 24/96 of the same mastering (they've stopped saying "better"). But they aren't even as good. That's the thing. Audible artifacts --- distortion masquerading as detail— were even obvious. But more so, MQA files are less 3D, and have a less inviting listening experience overall compared with the same non-MQA file. Every single time. "Journalists" extolling MQA need their ears tested -- and have the hearing test results in graphs posted alongside their stories --- these graying dudes at audio magazines who've lost a third or more of their hearing ... " No "hardened show goers wowed" No jaws hitting the floor No new worlds birthed No scientific revolutions No "what digital should have been 30 years ago" http://forums.stevehoffman.tv/threads/mcintosh-passes-on-mqa-calls-it-lossy-and-distorted.757191/page-2#post-18909844
  5. The Brinkman Ship has docked and I can report on between 8-10 hours of listening to MQA and Non MQA files (When it is FREEZING out, plenty of incentive to get cozy with music, wine, and a great system). The listening took place at a long time friend's East Side apartment. The system was beyond reproach: -MSB Reference DAC / Roon / Tidal -VPI Prime table / Audio Research PH9 -Audio Research Ref 6 Preamp -Ayre MX-R Twenty Mono Block Amplifiers Wilson Alexx speaker system Wireworld cabling for all Audience power conditioning, Symposium Acoustics isolation devices and platforms My host has a very large digital library stored on a NAS. And a decent size vinyl collection. We listened to approx. 50 albums where we confirmed there was both an MQA version, and an official 24 bit digital download and where we could confirm the mastering was the same. We listened to quite a few new releases as well. Volumes matched as close as possible. I had my host select albums play MQA streams from Tidal, then the same tracks from his NAS without telling me which was which, and we turned off the display of the DAC. We also muted the first 3 seconds of every track. We repeated the process with me selecting tracks from Tidal and his NAS. We also broke things up by playing tracks from his vinyl collection of some of the same albums. Verdict: In each an every, case, without exception, we both preferred the non MQA version. Some by a little, and some it was not even close. The MQA version created a whole in the center and an artificial Left and Right Spread, and a digital sheen that was off putting to say the least. We both concluded MQA was DESTRUCTIVE to the music. It was quite an eye opener. It sounded like what happens when you hit the "3D" or "Loudness" buttons on mid level home theater receivers. MQA was putting far too strong a stamp on the music. We even preferred his 24 bit vinyl rips to the MQA versions. MQA screws up the tonality and the soundstage. Period. Bob Stuart, John Atkinson, Michael Lavorgna, Robert Harley, Jim Austin, John Darko (did I miss anyone?).. you should all be ashamed of your selves. MQA is by far the biggest farce ever perpetrated in "high end audio". Couple this with all the data presented here, the measurements, and looking behind the curtain at the financials, the motives, and the players, it is clear MQA is a wholesale fraud.
  6. STC

    MQA - CD

    Okay.....we can collect yet another version of our favorite CDs in MQA format. Please let let me know if this has been discussed elsewhere. Thanks.
  7. Rt66indierock

    Stereophile Series on MQA Technology

    I will be offering a prize for the person who does the best job debunking each part of Jim Austin’s series on MQA technology. The first part is scheduled to hit the newsstands later this week with the January issue of Stereophile. The prize will be a $10.00 gift card of your choice that I can acquire in The Valley of the Sun (greater Phoenix Arizona metro area). There is a lot of information to get you started on this site. Have fun.
  8. From the land of new CD formats, Japan, MQA CD is out...but there's a major problem with the format. Very few devices can decode MQA from a non-USB input. The reason seems to be that virtually all these DACs simply use their USB controller to run the MQA code. In addition, the fact that they can fit whole albums into a regular Redbook CD means that these MQA streams do NOT have the lower 8 bits containing the unfold data. If there's no unfold data which contains the high frequency information, there's just the filter settings and authentication key data. These MQA CD releases apparently have something else going for them -- they use UHQCD (Ultimate High Quality CD) discs which is essentially a new CD production technology which can better replicate the original pits on the master stamping head on production discs in addition to offering better surface material. In fact I never listened to a UHQCD disc, but I would imagine the SHM-CD factor applies to those -- that it's hard to differentiate if the benefit is from the format or the fact that these discs are produced by high end audiophile labels.
  9. Brinkman Ship

    An Open Letter to "MQA Partners"

    Dear "MQA Partner" (Fill In The Blank): I have been admirer of your products in the past, and have aspired to one day own one of your (DACs/Streamers/Software suites). However, your decision to embrace MQA as a marketable feature puts you on my Do Not Buy List. An overwhelming number of highly knowledgeable and astute industry players have pulled back the curtain on MQA and have found it to be a major step backwards in the evolution of digital audio. The fact that you decided to go for short term gains in exploiting gullible audiophiles, instead of holding steady on the path of real engineering breakthroughs has shown me where your interests are. Turning over the blueprint to your designs to MQA and paying fees for the privilege shows me you operate from a position of weakness. When MQA evaporates, I hope you take a long hard look at the way you run your business. Sure, you can claim you are just giving customers what they want, or what the market demands, but sometimes NOT giving customers what they "want" is good business. Please note, I fully understand you are free to run your company as you please, and customers are also free to purchase your "MQA Ready” products. I am also free to vote my dollars. And I will. I assure you, there are a large number of audiophiles who feel the same way, and your reputation has been damaged. Peace out.
  10. I have just read a positive review in July number of Italian magazine AudioReview about this new little DAC from Project http://www.box-designs.com/main.php?prod=preboxs2digital&cat=s2-line&lang=en A very reasonable entry level price for experimenting with MQA, but apparently not at all entry level performance. Main specs from Pro-Ject infosheet: • Dual mono construction • High end ESS Sabre ESS9038 dual DAC • Proprietary clock circuity design • Organic polymer capacitors and thin film miniMELF resistors • MQA hardware decoding • DSD64, DSD128, DSD256 & DSD512 (DSD over PCM) • Up to 24bit/192kHz for optical & coax inputs • 7 selectable digital filter characteristics • 1 proprietary optimum transient digital filter • Headphone output on the front (6.3mm) • Synchronization of all internal oscillators • Jitter as low as 100 Femtoseconds! • Gold plated four layer PCB • Full alu/metal sandwich casing in silver or black SRP: € 349,00
  11. rn701

    MQA virus spreads

    ESS Sabre DAC chips to include "very in-demand" MQA decoding: https://www.audioholics.com/news/ess-sabre-dac-chips-mqa-rendering
  12. Hi all, On the TIDAL app, I am now seeing multiple albums for the same album release. Search for Brad Mehldau or David Byrne for example. I presume one of them is an MQA version (which I recall would not show on iOS at all). I am away now and cannot check on my computer, only have an iPhone and iPad. How can I tell on an iPad - on the TIDAL app or otherwise - which are MQA? Thx.
  13. Le Concombre Masqué

    A Way to Massively Improve MQA

    I've read that correcting artefacts introduced by converters used to create the sound files is a major MQA selling point, with producers, musicians, engineers involved. How about correcting the target curve used to eQ the monitors in the mastering room ? Nonsense for it requires convolution and much more info than the origami can fit , even if more bits for musical information was retrieved thanks to XXIst century post NyquistShannon maths ? Well, who is talking nonsense ? I yet have to hear differences introduced by MQA, power cords, usb cables etc etc on par with eQ in terms of order of magnitude. Meanwhile, I'm playing with target curves based on good ol' B&K and Harman. Bet both are used to calibrate monitors here and there... I'll be happy to share my REW profiles and findings
  14. Good morning I am playing some MQA using my iPad and to my surprise the signal path is showing as lossless with an MQA 88.2 authentication. Here is the path, marked as lossless : Source : Tidal FLAC 44.1kHz 24 Bit 2ch, MQA 88.2khz Authentication: MQA Studio 88.2Khz This Tablet: Roon Advance Audio Transport Apple iPad: Headphones I knew that iOS devices were limited to 24/48 but this does not seem to be the case. Anyone here experienced something similar? thanks Ale
  15. miguelito

    A word on Roon: Amazing.

    A word of congrats to Roon and committing to work done right. I want to celebrate here that they truly listen to their customers and produce truly amazing software - head and shoulders above all else in my opinion. The particular reason for such praise is their new MQA implementation: They fought tooth and nail to get something that would live up to the Roon standards and finally they did. You might or might not like MQA - I am not advocating it at all. What I am pointing out is Roon's commitment to doing it in line with their design and not destroying user experience. Quite amazing to see such a robust product. Some power users might prefer JRiver for some use cases - in a few better than Roon's. That's very good software as well.
  16. http://www.theabsolutesound.com/articles/2018-axpona-show-report-digital-and-personal-electronics/?utm_source=The+Absolute+Sound+List&utm_campaign=4b535a6c2d-EMAIL_CAMPAIGN_2018_04_20&utm_medium=email&utm_term=0_844faeddad-4b535a6c2d-109080993&mc_cid=4b535a6c2d&mc_eid=7e57b16115 "Since MQA was announced I’ve attended more than a half-dozen public demos in addition to the many hours I’ve spent listening at home on my own systems. At AXPONA I had a chance to partake of another demo, courtesy of Peter McGrath in the Paragon Audio room, with the Wilson Audio Alexandria XLF loudspeakers. Actually, I attended the demo twice. The first time I sat in the prime listening seat while during the second session I sat in the seat directly next to the prime listening seat. McGrath’s demo, using his own stunningly good recordings, codified for me two vital details about MQA demos and MQA listening in general: My first truth, which I have found universal, is that if you really want to hear what MQA can do, you must begin with a well-recorded phase-correct recording of instruments in a real acoustic space. MQA can’t make a badly mixed studio recording sound good. My own live concert recordings with the purist sonic characteristics have sounded better when encoded into MQA. Peter McGrath’s magnificent recordings were also improved by allowing an easier listen into the mix and more readily identifiable soundstaging. Peter called it “more human.” To hear MQA’s subtle but powerful differences you must listen to a good recording of Mahler or Mozart, not Metallica. The second and equally important detail about MQA A/B listening comparison tests is if you are not in the prime listening position, which is the one that triangulates most precisely with the transducers used during the listening session, you are not in a position to judge MQA sound quality properly. When I was even one seat to the side of the central listening position the effects of MQA were vastly reduced to the point where they were almost nonexistent. I have been in sessions where even professional recording engineers (and audio reviewers) have made dubious (and IMHO downright wrong) assessments of MQA’s sonic effects based on a group session where almost everyone in the room is in a bad seat (which is any seat that is not properly triangulated with the transducers). In all the other seats you might as well be listening through a Dixie cup and a string—really. So, if you have an opportunity to participate in a group listening session evaluating MQA, unless you have THE SEAT, i.e. the sweet spot, your opinions are not going to be correct and you won’t be hearing any of what I have come to believe are fundamentally profound (but subtle) sonic improvements that MQA-encoded files can have over the original WAV (or even DSD) masters. Let the flames begin…" So it has to be a "phase correct' REAL instrument or instruments in a REAL acoustic space and you have to sit in THE SEAT... Yup, that's it. Everyone has gotten it all wrong these last 4 years, because they all been sitting in the wrong seat...
  17. manisandher

    Roon now decodes MQA

    Just updated to Roon 1.5 (build 320) and am now getting this: Mani.
  18. I want to experiment with a Roon Ready endpoint MQA enabled network streamer to listen to MQA selections from Tidal with Roon. MQA has been so hotly debated I want to pick up some gear and listen for myself rather than read endless online debates. I'm not interested in portable DACs or music fed directly from a computer. So, I'm inclined to shy away from the Meridian Explorer 2, Dragonfly Red or iFi Nano BL. I suspect that using the iFi Micro BL on a desktop is a waste of much of what that device has to offer. But perhaps I'm thinking of this the wrong way. Since Roon can now handle the decoding, I realize a renderer is all that I need, however, I don't feel compelled to ignore solutions that offer decoding and rendering. This particular system is very simple. It's a Naim Uniti Atom driving ProAc Tablette 10 speakers. The analog input is available. I've been pleased with the Allo USBRidge that I've deployed on one of my low budget systems and was thinking that pairing that device with a Pro-Ject Pre Box S2 would do the trick for about $580. An alternative would be the Bluesound Node 2 at about $500. I suspect that the USBRidge/Pro-Ject combo would yield better sound. However, the Bluesound would tie things up nicely with a single box. I'm not interested in any of the other features offer by Bluesound. Are there other alternatives you might suggest? How would you think about the two options I've mentioned? Just to put boundaries on this experiment, let's keep the budget below $750. Thanks, -- Rich
  19. The Computer Audiophile

    Article: MQA (for civilians)

    View full article
  20. https://www.stereophile.com/content/mqa-drm-and-other-four-letter-words
  21. mjb

    iFi audio now with MQA

    iFi audio have released new MQA firmware (v5.3) with MQA rendering support. Supported Products: Retro Stereo 50 micro iDAC2 micro iDSD Black Label & micro iDSD nano iDSD Black Label, nano iDSD LE and nano iDSD nano iOne See the Press Release for details. MQA seems to be infiltrating everything these days...
  22. If you are having trouble with Tidal MQA dropouts on the BlueSound Node 2, try unplugging your optical input cable. Like some other Bluesound Node 2 users on this forum, I experience occasional dropouts with my Node 2 when playing MQA on Tidal. After confirming your network is robust enough for hi-res streaming, BlueSound tech support suggests restarting the router and Node 2, and if that doesn’t work, changing your DNS to Google (8.8.8.8/8.8.4.4). The problem got much worse for me after the last software update: MQA files would drop out every few seconds, the player was sluggish, and the apps were returning error messages - and in the case of the desktop app, always quitting. I was ready to return the Node 2 when I found a temporary solution. I use my Node 2 as the DAC for my entire system. My HD tuner, Apple TV, and Oppo Blu-Ray player are routed through an HDMI switcher, and from the switcher an optical cable goes into the Node 2. I unplugged this cable from the Node 2 and the sluggishness was instantly gone: a “Tune In” search for the string “Modern Classical” which previously took 17 seconds and caused the desktop application to crash was now instantly returning results. MQAs are playing without dropouts. Of course, plugging in the optical cable every time my family wants to use the other sources is not a lasting option, but it’s a hack I can live with until Bluesound hopefully solves this problem with a software update.
  23. Easter ‘Bug Bounty’ Hunt Hunt 'em, wherever they are... Introduction Our just announced firmware v5.30 is MQA capable and in one fell swoop, elevates legacy iFi products* with MQA capability for even more sonic enjoyment. The MQA integration was a little difficult. It involved: Totally replacing the customised core code Re-apply tuning/core loading and Further fine tuning the firmware for even more precise allocated resource use in order to allow us to support MQA and 384kHz. To bring all this to fruition required the combined efforts of the MQA and iFi software developers or a total of +1,000 programming hours to deliver firmware v5.30 (excluding testing on all iFi legacy units). Notwithstanding, there may still be one or two software bugs we have not quashed – hence we would like to involve you, the customer – in the Easter Bug Hunt. Bug Bounty The prize for the FIRST person to report each UNIQUE bug (this involves making a formal bug report, see next) iEMatch (choice of 3.5mm or 2.5mm) Bug Report Procedure Open ticket: http://support.ifi-audio.com/ Provide full system configuration incl s/w and patch versions Description of the bug and HOW to replicate it Our tech team will then replicate and verify Customer must be contactable so that we can liaise (if we cannot replicate we may liaise) Note: iFi reserves the right to decide if a bug is genuine/unique. Its decision is full and final. We wish all our customers the best of luck with the bug hunt! Legacy *The only exception is the original iDAC.
  24. mcgillroy

    MQA deblur this!

    "the aero-optics effects of air moving over the turret of airborne laser weapons has traditionally been a challenge. Hostutler said the USAF is working to further mitigate this jitter..." www.janes.com/article/78688/us-air-force-still-struggling-with-stabilising-airborne-lasers The music industry is small change against this business opportunity. Go Bob, make some millions deblurring laser-turrets! MZA - Master Zaps Authenticated.
  25. Trying to figure out if Audirvana will upsample a first-unfolded MQA stream. Say I choose "No MQA Device" in Audirvana preferences, and I turn off upsampling as well. In this case, Audirvana will first-unfold a 24/48 MQA file into a 24/96 stream. It will also not add the relevant tagging for rendering - I know this because with this setting my Dragonfly Red does not show a purple light, it shows a pink light (ie standard 24/96 PCM stream) (*) The key question: If in this setup I turn on upsampling (and use a higher rate DAC as Dragonfly is limited to 96KHz), will it upsample the first-unfolded signal or will it switch off first-unfold and upsample the raw 24/48 MQA stream? (*) I am well aware that to get rendering in the Dragonfly I need to set the device to "MQA Renderer Device" or let it detect it automatically. This is NOT the question I am asking so please don't answer that.
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