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How to read Omni-mic V2 calibration file?

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  • How to read Omni-mic V2 calibration file?

    The file seems to have 3 columns of numbers. The first appears to be freq., the second I don't know and the third I speculate is the dB compensation?. I ask because I seem to have a huge hump in my test data above 10 kHz and my OM cal file (.omm file ext.) has the following above 10 kHz for the third column: 10442, 1.3383, -32.32 11387, 1.0382, -35.81 12418, 0.7023, -38.86 and so on. Certainly my 'hump' isn't 30+dB high. It's more like 10 dB. I've run parallel tests with my HOM software and my Behringer ECM6000 cal. mic and don't get that hump. HELP!???
    Live in Southern N.E.? check out the CT Audio Society web site.

  • #2
    Re: How to read Omni-mic V2 calibration file?

    I don't know for sure, but my best guess is that the numbers are frequency, magnitude, and phase.
    Martin

    Quarter Wavelength Loudspeaker Design
    www.quarter-wave.com

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    • #3
      Re: How to read Omni-mic V2 calibration file?

      Originally posted by martin View Post
      I don't know for sure, but my best guess is that the numbers are frequency, magnitude, and phase.
      That does seem to make sense upon second look at the file. Thanks. I'll probably send it out to Cross-Spectrum Labs anyway just to satisfy myself.
      Live in Southern N.E.? check out the CT Audio Society web site.

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      • #4
        Re: How to read Omni-mic V2 calibration file?

        It follows FRD standards...

        http://www.pvconsultants.com/audio/frdis.htm
        I'm not deaf, I'm just not listening!

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