[jaypeecee]

OK, good.

You haven't lost the soundcard.cal calibration file. It's just that REW isn't pointing to it anymore. Go to the Settings popup, and on the soundcard tab, select browse and you'll find the file in the Room EQ Wizard directory or wherever you've saved it that was convenient for you (maybe you'll have to search for it). Once you've Browsed and found it - click OK and it will appear in the form-fill window of the Settings screen.

Worst case, if the file isn't there, create a new soundcard calibration file using the loopback cable. Takes about 10 seconds to make one.

Tell me how this went....

brucek

Hi Bruce,

OK, soundcard and microphone cal files now loaded. I guess I'll just need to re-run the SPL calibration routine and then I should be back in business. Note: I won't get a chance to re-do my measurements for a few days but I will report back to let you know how I get on.

Thanks once again for all your help.

JPC

 

[brucek]

I guess I'll just need to re-run the SPL calibration routine and then I should be back in business

You need to run the Check Levels routine and the Calibrate routines each time you use REW. This sets up the input and output levels to and from the soundcard, and aligns the internal REW SPL meter readout with that of the real SPL meter at the listening position.

Once completed you can do subsequent measures without any calibrations required, unless you change the receiver levels, or mic position, or speaker positions. Then you would have to do the Check Levels and Calibrate routines again (which only take a second).

When you do a Measurement for a sub, set the frequency limits to 0-200Hz.

When you post a graph for subwoofers, always use the standard Vertical graph axis of (45dB - 105dB) and the Horizontal graph axis of (15Hz - 200Hz) using the Graph Limits button in the top right corner of REW.

brucek

 

[JohnM]

I would have thought that Windows should point out that the colon is unacceptable, i.e. no punctuation permitted in the file name.

Windows would, but the Java file chooser doesn't, unfortunately. I'll add some filename validation for REW V5 to limit filenames to alphanumerics, - and _.

 

[jaypeecee]

Just to let you know that I'm back in business. I've run several measurements and they have saved OK. I now need to install some room treatment and re-run the measurements.

JPC