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In Reply to: RE: Foobar2000 + MathAudio Room EQ posted by Daveslater on April 03, 2021 at 23:44:37
I have REW and have looked a Dirac, both are more comprehensive EQ system. However both are more complex and user unfriendly. Furthermore REW doesn't integrate with any actual EQ implementations.
MathAudio Room EQ, at least in the case of Foobar2000, is totally integrated with the player. It doesn't do the more complex things such as measuring distortion or impulse response but it does the EQ extremely well.
I'm delighted with the listening results I'm getting and I can't recommend MA Room EQ too strongly for Foobar2000 users.
Dmitri Shostakovich
Follow Ups:
REW is a powerful tool. I don't think it's a good idea to integrate it into a music player. The developer updates REW often, and integration like this makes maintenance a nightmare.
Once you've created your EQ filters in REW, you can export the filter impulse responses as WAV files, so it's pretty easy to create filter files that can be used with the various convolvers available. If you just want to knock down some bad room modes, it's pretty easy to do. I'll admit that I haven't mastered using it beyond that simple kind of EQ.
I use REW to measure my speaker's in-room response, then export the room impulse response to use with Denis Sbragion's free DRC-FIR room correction software. I get excellent results with DRC-FIR -- smooth bass response and very stable imaging -- though you need a bit of technical knowledge to use it (e.g. how to use sox for file conversion.)
It downloads as a .tar.gz file which I can expand but I haven't figured out how to install or use it.
Dmitri Shostakovich
DRC.EXE in the "samples" directory. It's a command-line program as described in the drc-fir documentation. I have not tested this extensively in windows 10 beyond confirming that it runs.
I use a bash script to automate some of the tedious tasks of splitting up the impulse file generated by REW, running drc-fir, and setting up the brutefir config files, but it's somewhat specific to brutefir.
There was also a Java GUI called DrcDesigner that was a front-end for DRC-FIR, but it's outdated. I'd stick with the command-line tool.
Create your file with REW.
Add the convolver plug-in into Foobar.
Load the file created into the convolver.REW has a bit of a learning curve, but can show how your room is interacting with the system overall. It is much more powerful the MathEQ. You can also use RePhase with REW for additional correction.
Edits: 04/11/21
That wasn't my understanding, though I'd be glad if it were so.
Dmitri Shostakovich
Yes, the foobar convolver accepts .wav files as can be seen from the file extension in my pic.
I'll have to bone up on the technical knowledge however.
Dmitri Shostakovich
The basic technical know-how required is
- How to use REW to make a measurement and export it as a WAV file in float32 format (I always export left and right as a stereo file, assuming a stereo setup). There are lots of tutorials on how to use REW for measurements. (I would ignore the scripts that come with drc-fir for measurement.)
- How to use sox to convert to the raw binaries that DRC-FIR uses. If you have a stereo float32 WAV file exported from REW called impulse.wav
sox impulse.wav -c 1 -t f32 impulse-l.pcm remix 1
sox impulse.wav -c 1 -t f32 impulse-r.pcm remix 2
Will create raw left and right impulse files. How to use these files to generate correction files is described on the drc-fir website.
- How to get the drc-fir correction files into a format appropriate for your convolution software and configure that software.
SOX doesn't sound best to me.
I suppose that's a joke, but this is the Asylum...
Sox is just used here to split a file into left and right channel parts and save as a different format. It's the same exact PCM data, though).
In fact I did look into it briefly and decided to postpone further action due to the fact I don't understand how to install and use DRC or sox. But yes, I might get around to it.
Dmitri Shostakovich
...he asked for a specific solution.As usual, you rarely ever respond with a solution, but always your knee jerk opinion. That's easy but not what was asked for.
Edits: 04/07/21
At least I don't waste resources by just posting pretty pictures.
You have your opinions, I have mine.
My posted pictures don't "waste resources" on the Asylum, they reside with my internet domain registrar and web hosting service..... not on the Asylum. I have explained this before but you can't seem to grasp the concept.
SOX2 doesn't sound best to me.
The software I was recommending was DRC-FIR, which creates digital room correction filters and has nothing to do with sox.
nt
Dmitri Shostakovich
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