| Re: why does my microphone calibration file look like this
i am following the 'getting started' instructions for REW.
First get a loopback cable. In my case it goes from the RCA output on the back of the maudio fast track pro to a TS jack that fits into the combo jack on the front of the maudio fast track pro.
Then i go to settings and start with the sound card calibration. The first step is setting the level. I do this by adjusting the knob on the front of the maudio box so that the measured level matches the output level in the little vu meter bars.
Then i hit calibrate and the thing gives me a curve which sort of looks like the thing i posted but rolls off at the high (>20khz). What bothers me is how the 'noise' (jiggliness?) increases during the frequency sweep.
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