Information about the world of high quality audio
Eager to compare these new batch of samples. Thank you AIX!
Love to assess your work. Please share.
Please give credentials for the audio challenge files.
Eager to perform some of my own A-B comparisons using our award winning electrostatics Headphones/Amplifiers.
I just shared the files with you.
I hope this message finds you well.
I’d like to chip in to support your new book on streaming but I closed my Kickstarter account, and am not going to open it again for one campaign.
Is there a way I can do that?
Perth, Western Australia
Could you lease send me your Hi Res Sample Files? I am currently trying to rip my record collection and would like to compare with the samples you have available,
I’d love to take the test, so please send me the credentials for the FTP site.
Thank you for providing this valuable resource!
Please grant me access to the files of this extensive study.
good mornig everyone,
Could you please send me the FREE HD-Audio Samples?
Can you please send me the FREE HD-Audio Samples.
I would be thankful for the audio comparison.
Please can you send me the free HD-Audio Samples.
Please send me the FTP credentials for the sample downloads.
Thank you for your work in providing the best audio experience.
Please can you send me the free HD-Audio Samples.
could you please send me the HD audio samples? I really want to participate in this study and wonder if I can hear the difference. Thank you for your work.
I’d like credentials to check the samples please.
Please send me the samples, I’m very keen to hear the difference from standard recordings.
I´m very interested, too. Please send me the HD samples.
Hello, I would like to try out the sample audio tracks. Many thanks for this!
I’d live to take advantage of this resource. Thank you for your hard work!
Mark, thank you so much for answering my questions about DSD and high resolution audio. Could you send me a link to download the high resolution audio files please?
Hi I’m interested in the Hi Res audio samples
Would like to try and find out myself as well.
I will send you the credentials to the HD-Audio CHallenge II.
I am highly interested in experiencing the differences. Would you please be so kind to share your files with me?
I am very interested in listening to the free version of music on my system. Please let me know where to download them.
Would love to hear these. Thanks!
I’d like to hear the difference between 16/44.1 (my CD collection) and 24/96, and I would appreciate a copy of your files.
Samples please. Thank you
Hi. I’d like to get copies of those sample hi-res audio recordings. Many thanks.
Interested to hear the HD samples. Very much looking to hear differences (if any) between 16/44.1 and 24/96.
Please grant access to the HD files.
Please forward credentials for the challenge. Thanks!
How can I get in contact with you regarding my order of your e-book and files ?
I can not seem to find any e-mail information, so I hope to get in contact with you in this way.
Today I placed an order (#6**3) and downloaded the zip file containing the audio files, and the pdf containing the book.
Book displays with no problems, but I am not able to open the zip archive (using Win 10)
Windows display an error message saying that the zip file is corrupted or empty, even though of 77Mb size.
Can you please verify if the file size is correct, or if I need any special program to extract the file?
Thank you in advance
BR from Denmark
It is fixed now. Sorry for the problem.
Dear Mark Waldrep,
first of all congrats to having become a glider pilot – it’s good and important to also be part of the “real” outside world with fresh air when spending long hours inside with your profession.
I came across your site and first book some time ago and would like to say a big thank you for sharing your knowledge and your outright comments and fact-backed analyses. It takes a great deal of honesty, character and guts to point out nonsense and false statements within you own industry as clearly as you do, and you really have it in my view. Thank you also for the guts to set-up and carry through your latest project concerning (non)audible differences in the perception of redbook-standard vs. higher-res audio – very impressive, and IMHO very much down to the facts.
There was a slightly similar double-blind experiment in the 90s done by a German Tech-magazine with different mp3 resolutions vs. redbook, where in the end the (experienced) listeners could only dfferentiate between 128 vs 256 kbps mp3 quality but not between 256 kbps cs. redbook standard with statistically significant scores (I can try find and send the link if you are interested). Going from there this seems very much in line with your findings some 30 years later with better gear, but human hearing capabilities not having progressed that much :-).
One more questions regarding your latest book project: I just wanted to make a pledge to your kickstarter campaign but could not find a way to do so – would it still be possible to contribute?
Thanks again for your great work,
stay healthy these days and all the best,
(Audio-enthusiast till childhood, amateur singer & saxophone player, professional mathematician and statistician to earn the money for my private passion)
You can’t contribute to the KS campaign, but the book is available for pre-order at https://www.sdpaguide.com/shop-2/
I am up for this challenge, please send me FTP link.
Thanks, Eric McMillan.
Will do. I’m traveling right now…back in Los Angeles on April 5
Would like the FTP credentials to listen to the HiRes audio vs CD. I apologize, I found this site difficult to navigate and near impossible to locate what I was looking for. I do appreciate your efforts in audio engineering, and fully understand bit depth vs sample rate vs bit rate. I do a lot of voiceover for online courses, and have used 24-bit/48Khz for years. I’ve always felt it to have a superior quality/fidelity to 16-bit/44.1Khz.
just a young nerd bored at home trying to figure out how to get the highest quality sound out of my speakers, I’ve come to the conclusion after hours of tuning to random songs off various platforms it’s not me it’s the quality of whatever ever it’s being played from. id greatly appreciate access.
Please send FREE HD-Audio Samples link
I’m interested in take the HiRes test
Hello – would like to sample your hi-res files please.Thank you.
Hi Dr. Aix,
I would like to hear this samples you mention.
Regards from Spain
Would love the link to the files please. Testing out my studio monitor setup. Thanks
Please share the Free HD audio recording access details
Hi, thanks for doing this. Would love access to these.
Please share your hi-res files. Thank you!
I would love to sample your files on my system! Thanks,
Please send the FTP link.
Would love to try out the sample files on my system (iMac + NAD C658 + NAD C268 + Tekton Electron) – thanks!
I’d love to try out your samples on my:
Neutron player on dedicated iPhone 6plus > USB > Topping D30Pro > Topping A30Pro > Dan Clark Aeon RT
Hi. I would love to check out the hi rez files.
I enjoy your work and candid analyses. Keep up the good work. Please send me credentials for the comparison files.
Please. Can i access the hd sample files.
Thank you for that.
Stay healthy ;o)
Would love to do the test.
Hi, please grant me access to the sample files.
Interested in hearing the HD files please
Just listened to an ecoustics podcast featuring you, and would really love to participate in the HiRes Audio challenge and get educated on this matter. If you are still continuing this study, please send the credential to download the files.
Thanks in advance.
Could I have the credentials for the FTP site, please? Thanks.
Would appreciate the samples
I listened to the ecoustic podcast. And now I love to check your music files.
Just to let you know, I have a Linn 530 system.
Please send me the link for an FTP access For the high res files— thank you!
Hello. I would like to test your files with my Linn 520 system
I’m interested in high-resolution audio files.
Thanks for a kind of you.
I totally agree with your view on how the quality of recorded music should be preserved and that it’s up to engineers and studio staff to do it, of course, if the music industry and its cold-blooded rules allow it!
Anyway, since the proof is always in the pudding, may I have access to some of your carefully engineered hi-res files in order to get a taste of the real thing?
as a student, i have no money for expensive hires tracks. hope i could have a chance to listen to them for free.
Would love to try out the sample files on my system (LG G7, Magni 3+, HD600, K702, Rotel A10, Klipsch RF-52).
Dear Dr. Aix,
I would like hear your free HD downloads on my hi fi system.
would like to sample your hi-res files please.
Just listened to the podcast on e-coustics. Confirmed my suspicions, but more importantly, opened my mind to immersive audio (and will likely deplete my bank acct). So yes to test. Please send me the samples.
would love to checkout on linux with hi-res certified headphones steelseries arctis pro with their dac
hello Dr. Mark
i’m developing a shell script for evaluating the integrity of lossless audio files and would greatly appreciate if i could have access to your ftp server so i can grab one of the hd samples for reference purposes
Hi I’m really keen to test my R2R Ladder DAC and the Focal/Musical Fidelity 2Ch HiFi build with highest quality audiophile FLAC files. If you could share any for my setup, test & A/B comparison listening that would be a huge help. Thx in advance
Please can you send me the free HD-Audio Samples.
Heard your very interesting interview/podcast on ecoustics.com.
Would be keen to hear the AIX samples.
All the best and happy 2022.
Would very much like to sample the “FREE HD-Audio Samples” files. Thanks.
would love to get access to your hi res demo tracks please.
Thanks for your efforts.
I would love to do the HD Audio test and your AIX samples.
I heard your podcast on ecoustics.com today.
Would be try to see if I can hear the difference with my setup of your the AIX samples.
Please grant me access to the free HD-Audio Samples files.
I would be grateful If you could please provide access to your free hd-audio samples.
Thank you kindly.
Hi, would you please send me a link to ftp acces, i’m very interested to hear your smyth realiser samples.
Yes, please send me the FTP credentials.
Please may I have access to your free audio samples.
Hi! You don’t go to believe me but I have YEARS! trying to find the Audigy 2 DVD Audio sampler to hear them again, that experience kick my curiosity over HD audio, back then I was like 15 years old I’m 36 now. Please I need the FTP access. Thanks!
Long time I haven’t heard from you (since those days your recordings on Audigy2 dvd and reading your blog/emails coming from the former AIX website). Glad to hear you got some HD music samples to try. Wishing you well, excited to read new articles and sharing that love for HD music.
My best regards to you,
I would like to try out your free 96/24 HD samples before looking to purchase the bluray samplers from your record site.
I have been following a number of your lectures and discussions on YouTube recently and also discussions on “hi-res” on Amird’s and Archimago’s websites. As a (retired) communications engineer and a lifelong hifi enthusiast, I am very happy to see the scientific evidence you all are providing to counteract the increasing levels of wishful and profit-motivated nonsense that now seems to pervade the hifi/audio industry.
I would also like to have the free chapter of your “Music and Audio” book to consider whether to purchase a copy (with disc).
Thanks, and regards,
I have been following a number of your lectures and discussions on YouTube recently and also discussions on “hi-res” on Amirm’s and Archimago’s websites. As a (retired) communications engineer and a lifelong hifi enthusiast, I am very happy to see the scientific evidence you all are providing to counteract the increasing levels of wishful and profit-motivated nonsense that now seems to pervade the hifi/audio industry.
May I please ask for access to the HD audio sample files? I’d love to try them out.
Please give me access to your Hi res sample files. I can tell the difference in mp3 and wave very easily…..very curious about the difference in hi res & CD quality.
Thanks in advance,
you guys are the Surgeons of Sound!!!
may I sample the samples
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