UMIK-1 Cal File at SPLmeter window not loaded

[HuibertBoon]

Hi,

I have loaded my Mic Cal file for the UMIK-1 in the preferences and created a soundcard calfile.
Both show up in the CALfile Tab of the Preferences-window.
Next I Open the SPL meter to calibrate the level and as soon as I hit 'Calibrate' REW asks if I have a Cal file for the UMIK-1
'Yes' opens the a filebrowsers where I can select and Open the file, but REW keeps asking if I have a Cal-file everytime.
Only if I select 'No', REW continues with outputting noise to calibrate the SPL-levels.

Am I now calibrating the SPL-level correctly with or incorrectly without the UMIK cal-file?
Is this a bug?

Best regards,
Huibert

REW V5.31.3
OSX 13.2.1

 

[John Mulcahy]

You don't use a soundcard cal file with a USB mic as you aren't using the soundcard for input.

Can you attach the UMIK cal file you are using? If it had the required sensitivity line pressing the calibrate button should say that calibration is not required.

 

[HuibertBoon]

Hello John,

That makes sense: should I remove the soundcard cal file from the preferences?

Attached the mic cal files.
(I use the 90deg version)

 

[John Mulcahy]

Yes, remove the soundcard cal file. The mic cal file is fine. The prompt is appearing on macOS because the OS does not offer a volume control, which isn't needed for that mic, but its absence was causing a problem in the logic. The mic is calibrated once you have loaded the cal file, no need to use the Calibrate button.

 

[HuibertBoon]

The mic is calibrated once you have loaded the cal file, no need to use the Calibrate button.

But I still need to use tab 'SPL meter' (together with my physical SPLmeter) to calibrate, don't I? Otherwise REW doesn't know my speakerlevel.

 

[John Mulcahy]

No, you don't. The cal file includes the information REW needs to show correct SPL figures.