Contact Us

116 thoughts on “Contact Us

  • Petar Chichev

    Eager to compare these new batch of samples. Thank you AIX!

    Reply
    • Richard Weir

      Love to assess your work. Please share.

      Reply
    • Nawanit Sharma

      Need to test out few DACs. Send me few high res samples

      Reply
  • Senthil Ramesh J V

    Please give credentials for the audio challenge files.

    Reply
  • Jeremy Howard-Knight

    Eager to perform some of my own A-B comparisons using our award winning electrostatics Headphones/Amplifiers.

    Reply
  • Nirodha Avidya

    Samples please.

    Reply
    • AdminPost author

      I just shared the files with you.

      Reply
      • David Mathew

        I’d love hear the samples, I was on the live AVS stream today as Ivan idea in the chat, wanna try the test in my recording studio, I think this would be very interesting!

        Reply
  • Bob Harvie

    Hi Mark,
    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?
    Thanks
    Bob
    Perth, Western Australia

    Reply
  • Ray Gust

    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,
    Thanks
    Ray

    Reply
  • Marin Weigel

    Hi Mark,
    I’d love to take the test, so please send me the credentials for the FTP site.
    Thank you for providing this valuable resource!
    Best Regards,
    Marin

    Reply
  • Please grant me access to the files of this extensive study.

    Reply
  • federico

    good mornig everyone,
    Could you please send me the FREE HD-Audio Samples?

    Reply
  • Jim Merritt

    Can you please send me the FREE HD-Audio Samples.
    Thank you

    Reply
  • Hello,

    I would be thankful for the audio comparison.

    Thanks,
    Zvone

    Reply
  • JEFF TEES

    Hi,
    Please can you send me the free HD-Audio Samples.
    Kind regards,
    Jeff

    Reply
  • Graham OConnor

    Please send me the FTP credentials for the sample downloads.
    Thank you for your work in providing the best audio experience.

    Regards

    Graham

    Reply
  • Stefan

    Hi,

    Please can you send me the free HD-Audio Samples.

    Kind regards,

    Stefan

    Reply
    • Markus Olbrich

      Hi,

      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.

      Kind regards,
      Markus

      Reply
  • Michael H Sawyer

    I’d like credentials to check the samples please.

    Reply
  • Neil Ellison

    Please send me the samples, I’m very keen to hear the difference from standard recordings.

    Reply
  • Fabian Steinhauer

    Hello,
    I´m very interested, too. Please send me the HD samples.
    Thanks

    Reply
  • BERNIE SALINAS

    Hello, I would like to try out the sample audio tracks. Many thanks for this!

    Reply
  • Benjamin Allen

    I’d live to take advantage of this resource. Thank you for your hard work!

    Reply
  • 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?

    Reply
  • Lim Min Yaw

    Hi I’m interested in the Hi Res audio samples

    Thanks

    Reply
  • Stefan

    Would like to try and find out myself as well.

    Thanks!

    Reply
    • AdminPost author

      I will send you the credentials to the HD-Audio CHallenge II.

      Reply
  • I am highly interested in experiencing the differences. Would you please be so kind to share your files with me?
    Yours
    Kai

    Reply
  • Curtis Thomson

    I am very interested in listening to the free version of music on my system. Please let me know where to download them.

    Reply
  • Chris Cassriel

    Would love to hear these. Thanks!

    Reply
  • Geoffrey Stevens

    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.

    Many thanks,
    Geoff

    Reply
  • Viacheslav

    Samples please. Thank you

    Reply
  • hiresaudioformusic

    Hi. I’d like to get copies of those sample hi-res audio recordings. Many thanks.

    Reply
  • Sajjad

    Hello,

    Interested to hear the HD samples. Very much looking to hear differences (if any) between 16/44.1 and 24/96.

    Thanks,

    SK

    Reply
  • Please grant access to the HD files.
    Thanks!

    Reply
  • Please forward credentials for the challenge. Thanks!

    Reply
  • Steffen Schmidt

    Dear Mark

    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

    Reply
    • AdminPost author

      It is fixed now. Sorry for the problem.

      Reply
  • 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,
    Matt T.
    (Audio-enthusiast till childhood, amateur singer & saxophone player, professional mathematician and statistician to earn the money for my private passion)

    Reply
  • Eric McMillan

    I am up for this challenge, please send me FTP link.
    Thanks, Eric McMillan.

    Reply
    • AdminPost author

      Will do. I’m traveling right now…back in Los Angeles on April 5

      Reply
  • John McDonald

    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.

    Thanks

    Reply
  • 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.

    Reply
  • Eric Caulley

    Please send FREE HD-Audio Samples link

    Reply
  • José Antonio Guerrero

    I’m interested in take the HiRes test

    Reply
  • Brian Adkins

    Hello – would like to sample your hi-res files please.Thank you.

    Reply
  • Hi Dr. Aix,

    I would like to hear this samples you mention.

    Regards from Spain
    Thanks

    Reply
  • Scott Anderson

    Would love the link to the files please. Testing out my studio monitor setup. Thanks

    Reply
  • Mohan Noone

    Please share the Free HD audio recording access details

    Reply
  • Hi, thanks for doing this. Would love access to these.

    Reply
  • Please share your hi-res files. Thank you!

    Reply
  • Martin Payette

    I would love to sample your files on my system! Thanks,

    Reply
  • Please send the FTP link.

    Thank you.

    Reply
  • Would love to try out the sample files on my system (iMac + NAD C658 + NAD C268 + Tekton Electron) – thanks!

    Reply
  • Phil Couling

    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

    Reply
  • Hi. I would love to check out the hi rez files.
    Thanks

    Reply
  • Jackson A Bean

    Hello Mark,

    I enjoy your work and candid analyses. Keep up the good work. Please send me credentials for the comparison files.

    Jackson

    Reply
  • Sebastian

    Hi.
    Please. Can i access the hd sample files.
    Thank you for that.

    Stay healthy ;o)

    Reply
  • sleme

    Hi,

    Would love to do the test.

    Reply
  • Daniel

    Hi, please grant me access to the sample files.

    Reply
  • gary

    Interested in hearing the HD files please

    Reply
  • Johan

    Hi!
    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.

    Reply
  • Kishore Bhargava

    Could I have the credentials for the FTP site, please? Thanks.

    Cheers…Kishore

    Reply
  • Christophe Pauxcourrouges

    Would appreciate the samples

    Reply
  • Tom Krueger

    Hello.

    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.

    Regards
    Tom

    Reply
  • Randy Holcomb

    Please send me the link for an FTP access For the high res files— thank you!

    Reply
  • Hello. I would like to test your files with my Linn 520 system

    Thanks
    Tom

    Reply
  • Intanon

    I’m interested in high-resolution audio files.
    Thanks for a kind of you.

    Reply
  • Al Sergio

    Hello Mark!

    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?
    Many thanks.

    Al

    Reply
  • sam kim

    as a student, i have no money for expensive hires tracks. hope i could have a chance to listen to them for free.

    Reply
  • Gonzalo

    Dear Mark,

    Would love to try out the sample files on my system (LG G7, Magni 3+, HD600, K702, Rotel A10, Klipsch RF-52).

    Thank you!

    Reply
  • Amnon Mayer

    Dear Dr. Aix,

    I would like hear your free HD downloads on my hi fi system.

    Thanks.

    Reply
  • Gonzalo Montoya

    Hi Dr. Aix,

    would like to sample your hi-res files please.

    Thank you!

    Reply
  • John Smolley

    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.

    Reply
  • thorsten formann

    would love to checkout on linux with hi-res certified headphones steelseries arctis pro with their dac

    Reply
  • Mike Collins

    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

    Reply
  • Mark

    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

    Reply
  • Michael Davu

    Hi,
    Please can you send me the free HD-Audio Samples.
    Kind regards,
    mike

    Reply
  • Ian Empson

    Hello
    Heard your very interesting interview/podcast on ecoustics.com.
    Would be keen to hear the AIX samples.
    All the best and happy 2022.
    Ian Empson
    Sydney Australia

    Reply
  • Yue Min Wong

    Would very much like to sample the “FREE HD-Audio Samples” files. Thanks.

    Reply
  • Tham Evans

    Hi Mark,
    would love to get access to your hi res demo tracks please.

    Thanks for your efforts.
    BR
    Tham

    Reply
  • I would love to do the HD Audio test and your AIX samples.

    Cheers!

    Reply
  • Bert Dinger

    Hi,
    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.
    Thank you!
    Bert

    Reply
  • Ivan Berger

    Please grant me access to the free HD-Audio Samples files.

    Reply
  • Hi,

    I would be grateful If you could please provide access to your free hd-audio samples.

    Thank you kindly.
    Tony.

    Reply
  • Louis Tartenpion

    Hi, would you please send me a link to ftp acces, i’m very interested to hear your smyth realiser samples.
    Thansk
    Best regards
    Louis

    Reply
  • Yes, please send me the FTP credentials.
    Thanks
    John

    Reply
  • Please may I have access to your free audio samples.

    Reply
  • 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!

    Reply
  • Javier Granda

    Hi Mark,
    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,
    Javier

    Reply
  • Rodney van Dort

    Hi Mark,
    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,
    Rodney

    Reply
  • Rodney van Dort

    Hi Mark,
    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 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.

    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,
    Rodney

    Reply
  • Hey,

    May I please ask for access to the HD audio sample files? I’d love to try them out.

    Many thanks,
    Matt

    Reply
  • Kenneth Larson

    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,
    Ken

    Reply
  • you guys are the Surgeons of Sound!!!
    may I sample the samples
    Thanks!!

    Reply
  • Would love to get an insight into the Hi Res audio. Please share the samples.

    Reply
  • Hello Dr. Aix,
    Please grant the access to real HD bliss.
    Thank you!

    Reply
  • Interested in checking out the samples. Can you send me a link to the FTP site?

    Thanks

    Reply
  • I would like to compare 16bit/44.1 vs. 24bit/96 music samples.
    Thank you very much!

    Reply
  • Hello Dr. Waldrep. I was wondering if there was a way to contact you via email. I am asking because I wanted to ask you some questions and advice about something, but I think it would be too long for a comment section. If not, I totally understand.

    Reply
  • David Mathew

    I’d love to try the challenge, I was on the AVS stream today as Ivan idea in the chat, I wanna try the challenge in my recording studio, I think it would be interesting!

    Reply
  • I watched the recording of the AVS stream. I’d like to hear the samples, need to listen to the best in in recording studio business. TJB

    Reply
  • Donald Herron

    I would like to take the challenge.

    Reply
  • Al Villanueva

    Hello,
    I would like to get the hi res music samples you are offering.
    Thanks.

    Reply
  • Peter Stebnicki

    Please send me the credentials for the FTP site as I am very interested in hearing them through my system.

    Reply
  • Hello!
    Can you please share with me HiRes samples which you mentioned to compare them with normal music quality?
    Thank you in advance!

    Reply
  • Dwayne Harris

    Please send me the credentials for the free downloads. I’m looking forward to hearing them!

    Reply
  • Al Villanueva

    Hello. I would love to hear your HD sample tracks. Thanks.

    Reply
  • Edgar Moreno

    Thanks for your work. I’ve been listening and reading the wrong stuff regarding to HI Fi music until I found this website. I knew deep inside me that somehow I was lying to myself when listening to them and then to certain streaming services… thanks! Please I would like to have access to the files you mentioned so I can finally listen to a real HI Fi experience. Best regards

    Reply
  • Hi:

    Am looking forward to hearing the HD audio download.

    Thank you.

    WT

    Reply
  • Douglas Buzby

    Are the files still available?
    If so, send me a link, please.

    Reply
  • Austin Snow

    Hoping to get a copying the high-res audio files.

    Thank You

    Reply
  • James Cathey

    I would like to hear the 11 HD files in a flac file.

    Reply

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