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Thread: Listening test-Pro Tools Comparison

  1. #1
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    Default Listening test-Pro Tools Comparison

    I'm not going to tell you what you're listening for but if you'd like to participate, download this .zip file and listen and compare the two stereo files and see if you hear any difference between them.

    If you have PT, then all you'll have to do is download the .zip file and unzip it and double-click the session icon. Switch back and forth (I used X-OR SOLO to make it easy) and see if you can detect any differences between the sound of the two files.

    If you don't have PT, not to worry. At the same link, there's is a folder called "audiofiles" that has four mono 24/48K tracks in it, labeled as .L and .R. Just set the tracks up as two pairs and see what you hear.

    I'll go into details later. But I'd like for people to do this test as blindly as possible. I'm not trying to fool anyone or disguise what's going on here, I'm just eager to get honest feedback.

    Here's the link:

    http://www.3daudioinc.com/ptcomparison/
    Lynn Fuston
    3D Audio

    Making beautiful music SEEM easy since 1979.

  2. #2
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    I'll take a stab if I can manage a moment.
    Doug Williams
    Electromagnetic Radiation Recorders

  3. #3
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    downloading as we speak
    Ken Morgan
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    I'm biting my lip. I want to say more. All in good time.
    Lynn Fuston
    3D Audio

    Making beautiful music SEEM easy since 1979.

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    I sure recognize the music!
    Ken Morgan
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    I used the DAWSUM files since there were 11 stereo stems and it was easy to do a summing check with it. All the reverb was already printed and the stems were in place. Tailor-made for a test like this to be sure.

    I could do it the hard way, but why?
    Lynn Fuston
    3D Audio

    Making beautiful music SEEM easy since 1979.

  7. #7
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    Sorry for being late to the party. I read the thread-title and thought: " Oh well, another blast from the past...." ;-)

    This said, I can't detect any audible differences between the sound of the two files. A quick Null-test reveals that these files are not bit-identical - that is to say they don't null to infinity, but to below -300dB. [3;-)]
    Last edited by Andreas Lassak; 06-19-2015 at 03:42 PM.
    Andreas Lassak
    SoundDesign Studio

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    What he said...
    Ken Morgan
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    "-300 dB."

    What? What measures to -300 dB? I only looked down to -144!!

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    That's 50-bits!!

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