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Topics - mgolden

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SoundMeter / Calibrate MicW i437L
« on: August 28, 2017, 01:10:13 PM »
I hope someone can help.  I just got one of MicW new i437L microphone with a lightning connector. This seems to be a digital microphone which I have not really used before.  The unit comes with a tested sensitivity of 24.8 Pa/FS.  The nominal sensitivity on the datasheet is -27.5dBFS (94dB SPL @ 1kHz).

In the input options of the I/O Configuration I have set the Device Units to "FS" and the Gain at "Mid".  Under Input Channel menu, I have set Units to Pa and entered in the tested sensitivity.

It is the gain setting that I am not sure of.  Changing gain changes the SPL.  Mid seems to give the result that is closest to what I think the measurement should be.

Next time I am near an acoustic calibrator I plan on checking the calibration. 

Thank you in advance.

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