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55 thoughts on “Contact Us

  • October 18, 2020 at 11:10 am
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    Eager to compare these new batch of samples. Thank you AIX!

    Reply
  • October 18, 2020 at 4:15 pm
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    Please give credentials for the audio challenge files.

    Reply
  • October 21, 2020 at 6:55 am
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    Eager to perform some of my own A-B comparisons using our award winning electrostatics Headphones/Amplifiers.

    Reply
  • October 22, 2020 at 2:51 pm
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    Samples please.

    Reply
    • October 22, 2020 at 3:21 pm
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      I just shared the files with you.

      Reply
  • October 23, 2020 at 6:12 pm
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    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
  • November 2, 2020 at 7:00 am
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    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
  • November 5, 2020 at 3:58 am
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    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
  • November 8, 2020 at 9:56 am
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    Please grant me access to the files of this extensive study.

    Reply
  • November 9, 2020 at 3:48 am
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    good mornig everyone,
    Could you please send me the FREE HD-Audio Samples?

    Reply
  • November 16, 2020 at 7:34 am
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    Can you please send me the FREE HD-Audio Samples.
    Thank you

    Reply
  • December 7, 2020 at 2:11 pm
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    Hello,

    I would be thankful for the audio comparison.

    Thanks,
    Zvone

    Reply
  • December 14, 2020 at 4:25 pm
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    Hi,
    Please can you send me the free HD-Audio Samples.
    Kind regards,
    Jeff

    Reply
  • December 21, 2020 at 8:24 pm
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    Please send me the FTP credentials for the sample downloads.
    Thank you for your work in providing the best audio experience.

    Regards

    Graham

    Reply
  • December 22, 2020 at 8:26 am
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    Hi,

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

    Kind regards,

    Stefan

    Reply
    • January 5, 2021 at 12:01 pm
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      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
  • January 2, 2021 at 9:34 am
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    I’d like credentials to check the samples please.

    Reply
  • January 6, 2021 at 3:07 pm
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    Please send me the samples, I’m very keen to hear the difference from standard recordings.

    Reply
  • January 17, 2021 at 5:39 am
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    Hello,
    I´m very interested, too. Please send me the HD samples.
    Thanks

    Reply
  • January 19, 2021 at 2:51 pm
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    Hello, I would like to try out the sample audio tracks. Many thanks for this!

    Reply
  • January 23, 2021 at 12:04 pm
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    I’d live to take advantage of this resource. Thank you for your hard work!

    Reply
  • January 31, 2021 at 8:04 pm
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    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
  • February 5, 2021 at 1:28 am
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    Hi I’m interested in the Hi Res audio samples

    Thanks

    Reply
  • February 5, 2021 at 3:15 am
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    Would like to try and find out myself as well.

    Thanks!

    Reply
    • February 7, 2021 at 4:50 am
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      I will send you the credentials to the HD-Audio CHallenge II.

      Reply
  • February 6, 2021 at 7:27 am
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    I am highly interested in experiencing the differences. Would you please be so kind to share your files with me?
    Yours
    Kai

    Reply
  • February 7, 2021 at 6:06 am
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    I am very interested in listening to the free version of music on my system. Please let me know where to download them.

    Reply
  • February 11, 2021 at 12:19 am
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    Would love to hear these. Thanks!

    Reply
  • February 15, 2021 at 8:04 am
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    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
  • February 16, 2021 at 10:43 pm
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    Samples please. Thank you

    Reply
  • February 25, 2021 at 2:14 pm
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    Hi. I’d like to get copies of those sample hi-res audio recordings. Many thanks.

    Reply
  • February 26, 2021 at 12:51 pm
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    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
  • March 10, 2021 at 12:59 pm
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    Please grant access to the HD files.
    Thanks!

    Reply
  • March 10, 2021 at 4:27 pm
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    Please forward credentials for the challenge. Thanks!

    Reply
  • March 18, 2021 at 7:29 am
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    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
    • March 20, 2021 at 9:14 am
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      It is fixed now. Sorry for the problem.

      Reply
  • March 21, 2021 at 4:04 am
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    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
  • March 22, 2021 at 5:28 pm
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    I am up for this challenge, please send me FTP link.
    Thanks, Eric McMillan.

    Reply
    • March 27, 2021 at 6:44 am
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      Will do. I’m traveling right now…back in Los Angeles on April 5

      Reply
  • March 24, 2021 at 12:07 pm
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    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
  • March 31, 2021 at 6:40 pm
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    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
  • April 7, 2021 at 9:37 am
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    Please send FREE HD-Audio Samples link

    Reply
  • April 22, 2021 at 4:45 am
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    I’m interested in take the HiRes test

    Reply
  • April 29, 2021 at 3:42 am
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    Hello – would like to sample your hi-res files please.Thank you.

    Reply
  • May 9, 2021 at 10:47 am
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    Hi Dr. Aix,

    I would like to hear this samples you mention.

    Regards from Spain
    Thanks

    Reply
  • May 12, 2021 at 9:11 pm
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    Would love the link to the files please. Testing out my studio monitor setup. Thanks

    Reply
  • May 13, 2021 at 11:43 pm
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    Please share the Free HD audio recording access details

    Reply
  • May 19, 2021 at 9:26 pm
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    Hi, thanks for doing this. Would love access to these.

    Reply
  • May 20, 2021 at 9:59 am
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    Please share your hi-res files. Thank you!

    Reply
  • May 27, 2021 at 6:16 pm
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    I would love to sample your files on my system! Thanks,

    Reply
  • May 28, 2021 at 4:00 pm
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    Please send the FTP link.

    Thank you.

    Reply
  • June 19, 2021 at 2:42 pm
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    Would love to try out the sample files on my system (iMac + NAD C658 + NAD C268 + Tekton Electron) – thanks!

    Reply
  • July 5, 2021 at 10:41 pm
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    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
  • July 29, 2021 at 5:10 pm
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    Hi. I would love to check out the hi rez files.
    Thanks

    Reply

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