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Brickwall highpass (15/30Hz) app?
Does such an app exist for master channels?
Comments
Try zMors EQ (AUv3), it has LowShelf, HighPass and parametric modes selectable for each of the 5 bands, so you can also overlap >1 high pass filters to get even steeper rolloff.
Just keep in mind you don’t always need a super steep slope for a high pass filter in that case, often I only need to use 12db slopes to fix issues without creating new ones. The steeper your slope, the more likely you are to have frequencies boosted above the cutoff point. With a filter set to 30Hz, this can all sorts of wonky things to the low end.
VERY important what @Tarekith said !!
I have noticed what @Tarekith said as well. More or less steep slope often works better. Also you could double the track, put a brickwall on another and something more like 12db slope on another and then mix them, perhaps shape the one with slope using eq a bit if you want to or add a third one with steeper slope.
Beware of mixing different eq processes on tracks with identical (or very similar) audio. EQ introduces phase shift, so by mixing audio with a phase shifted version of itself, you get comb filtering- some frequencies add together and get louder, others subtract and get quieter, which people hear as a hollowness to the sound. If you must eq in parallel, it is best to use a linear phase eq. Or figure out how to get the sound out of one track, or bus your two tracks together and eq the bus.
With respect - not good advice at all
That is definitely a very.... umm.... unique way of doing it I guess!
Just don't listen to frequencies that low and they won't bother you. Ha!
Use a couple of high-pass filters in zMors.
Conversely, you could use a couple of high-pass filters in AUM/Gadget. Or dare I say it, just use Pro-Q 2’s high-pass in 96dB/oct mode.
Cheers.
From what i understand the phasing happens when the other track has a small delay(for example eq one track with something that adds delay). I didnt notice any problems when i did this long time ago in ableton, but i didnt have a proper subwoofer, eqing was really small, just to shape the slope a bit and did a lot of other stuff to the sound as well. And just to make clear thag the idea was to only shape the frequencies being filtered away with brickwall, so everything that gets through the brickwall filter would be identical and ran through process that should at least have same delay(auxed to same eq plugin on different channels).
Does this sort of setup create problems for sure that just went unoticed from me, or did i just communicate poorly? If yes for definite problems, wouldnt adding a brickwall LP to same position where HP brickwall is on other channel fix the problem?
When doing live shows, I've always used a 24dB high pass @38Hz, no prob, still plenty of bass and reduced power at comparable listening levels. For boosting bass you should not use shelving filters however, but rather boost more selectively using a PEQ.