REW Beta Release REW API beta releases

serko70 said:

You are measuring a subwoofer full range and REW detects very low output beyond 250Hz relative to noise floor and pops a warning. You can ignore it for subs or measure them with a limited frequency range.

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Thank you for confirming my suspicion. I used to work with limited range but after watching your Youtube channel, I started doing full range for subwoofer sweeps. Since REW already knows that this is a subwoofer sweep as the channel selected is LFE, it will be great if REW applies some smart logic to check for distortion via some preference where one can provide the LFE range for distortion check to avoid this dialog box from showing up unless there is really a distortion to worry about. For now, I will continue to ignore this message for full range subwoofer sweeps.

This distortion graph is showing FUNDAMENTAL line plot as a straight line at 100 mark. In some other threads here I have seen this line to be drawn like other harmonic lines. I do not know if this is something I need to worry about or it is also because of the full sweeps on the LFE channel that I need to ignore. Does anyone knows why this 1st harmonic (Fundamental) line is a straight line at 100 value?

Hey John, Is it possible for REW to do this?





If there's a response like this





This way, it connects to the middle of the dip and the peak.
Smoothing can make this partly smooth, but I'm wondering if it's possible as if I drew a dotted line.

I can open the csv file in Excel and change the number from the desired frequency to the frequency to make it go on smoothly like that, but I was wondering if it would be possible in REW as well.


Making it soft with Python was helped by GPT, but I thought it would be better if these features were added to REW.
Yellow Original
Green Connect the calculated midpoints peak and dip









1/1, 1/3, PSY smoothing, etc. It's definitely different from what I intended.
I don't understand the exact action because it was made by GPT, but I also attached the py file.

John Mulcahy said:

No, it isn't possible for REW to do that. You could experiment with the effect of varying the right hand window on the Impulse graph, drag the "R" marker at the top of the graph.

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It was a bit of a different story from gating, but I see.



Another suggestion (or question), is it possible to impulse the response from room simulation?
Currently, when I try to export it, I don't have Data. Of course, it's not an impulse, so I can't.



But if you generate mp and ep from room simulation and multiply it again, you get the same impulse as room simulation.
It would be nice to have this option (MP+EP with IR) for room simulation export as well.




Also, in a typical room simulation, 200 Hz is enough for observation frequency, but is it possible to provide an option to extend it to approximately 400 to 500 Hz?