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No distortion plot with imported impulsr

870 views 1 reply 2 participants last post by  JohnM 
#1 ·
Hi guys. I'm not seeing a distortion plot with an imported impulse response from Acourate. I imported a 2448 wav from Acourate into the Osx version of REW. I can see the impulse, frequency response, waterfall, but no distortion plot. The get info said the impulse was at negative 125 ms so I offset it to be 0 ms but that didn't help nor did playing with the distortion options such as "plot relative to fundamental" etc. I don't even see any of the checkboxes at the bottom to display individual harmonics. Same problem with the PC version of REW. Could it be the scaling of the impulse? I tried offsetting the SPL in the graph options to be around 80 dB as that's what it was although REW thought it was 125 dB because Acourate peak normalises the impulse. But still I cannot see the distortion plot.
 
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