Fabfilter L2 vs. T-Racks (and others?)
- KVRist
- 415 posts since 3 Jun, 2017
There are differences. I think a "mastering" plugin should keep the output spectrum as close to the input as possible. The IK cut happens at around 19 KHz, that's too far down into the spectrum. Just run some noise through your favourite limiter (at no reduction) and see for yourself what happens.
FabFilter Pro-L1 with 4x oversampling @ 0.4% - 0.5% CPU IK T-Racks 5 (?) Brickwall Limiter with oversampling @ 0.7% - 0.8% CPU IK T-Racks 5 (?) Stealth Limiter with 4x oversampling @ 1.0% - 1.1% CPU I'm not the biggest FabFilter fan, but it's clear they know what they're doing.
FabFilter Pro-L1 with 4x oversampling @ 0.4% - 0.5% CPU IK T-Racks 5 (?) Brickwall Limiter with oversampling @ 0.7% - 0.8% CPU IK T-Racks 5 (?) Stealth Limiter with 4x oversampling @ 1.0% - 1.1% CPU I'm not the biggest FabFilter fan, but it's clear they know what they're doing.
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Confucamus.
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- KVRAF
- Topic Starter
- 8490 posts since 5 Aug, 2009
thanks so much, i wanna do such tests for myself too to sort out plugins and hear/see what they do, but i think there is missing somethin?
you dont show the input signal dry
you dont show the input signal dry
DAW FL Studio Audio Interface Focusrite Scarlett 1st Gen 2i2 CPU Intel i7-7700K 4.20 GHz, RAM 32 GB Dual-Channel DDR4 @2400MHz Corsair Vengeance. MB Asus Prime Z270-K, GPU Gainward 1070 GTX GS 8GB NT Be Quiet DP 550W OS Win10 64Bit
- KVRist
- 415 posts since 3 Jun, 2017
You do know what noise looks like?
But oh well, here's your dry input signal, simple Gaussian noise.
And just for kicks, here's my own 4x oversampling implementation @ 0.5% - 0.6% CPU
(Handwritten, not using the JUCE one, not using Muon halfbands.)
But oh well, here's your dry input signal, simple Gaussian noise.
And just for kicks, here's my own 4x oversampling implementation @ 0.5% - 0.6% CPU
(Handwritten, not using the JUCE one, not using Muon halfbands.)
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Confucamus.
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- KVRAF
- Topic Starter
- 8490 posts since 5 Aug, 2009
thanks a lot!
so the t-racks plugins would be out of competition, cutting frequencies is a no go in my opinion.
but the fabfilter L2 one doesnt seem so clean in the lower frequency range?`
so the t-racks plugins would be out of competition, cutting frequencies is a no go in my opinion.
but the fabfilter L2 one doesnt seem so clean in the lower frequency range?`
DAW FL Studio Audio Interface Focusrite Scarlett 1st Gen 2i2 CPU Intel i7-7700K 4.20 GHz, RAM 32 GB Dual-Channel DDR4 @2400MHz Corsair Vengeance. MB Asus Prime Z270-K, GPU Gainward 1070 GTX GS 8GB NT Be Quiet DP 550W OS Win10 64Bit
- KVRist
- 415 posts since 3 Jun, 2017
Well, I wouldn't say that right away.Caine123 wrote:thanks a lot!
so the t-racks plugins would be out of competition, cutting frequencies is a no go in my opinion.
but the fabfilter L2 one doesnt seem so clean in the lower frequency range?`
You have to see it this way, the filter on the Pro-L1 (not Pro-L2, don't have that one) may look closer to the original spectrum, but since it appears to be a softer filter, it's possible (haven't tested) that when the limiter bends the signal and introduces harmonics in the ultra-high frequencies, some may not be cut off by the downsampling filter and mirror back into the audible spectrum.
With the IK downsampling filter, it's safe to say that you won't run into that problem ever.
(Just to be pedantic: that is, unless the generated harmonics are so far up that they surpass the highest possible frequency in the oversampled signal and manage to mirror back into the audible range at that point already, plus loud enough to not fall victim to the limits of floating point precision. But that would take a lot of serious distortion, I doubt either of the IK limiters could do that.)
None of them is universally "the better one" just judging by this analysis. My intention was merely to point out that there are significant differences, also CPU wise, and one should keep those in mind when making one's choice.
And I doubt that the FabFilter downsampling filter would have any negative effect on the lows, pretty sure that's just a measuring inconsistency.
Noise is noise, which means it's always changing and evolving, so a volatile spectrum graph won't tell you much about the Pro-L2's low-end. Set the scope up to hold the maximum peak value for a longer time, and maybe smooth the graph a bit (could use SPAN for that), the maximum/average curve collected over an extended period of time will give you better insight into what's going on in the lows.
And don't forget, spectrum analyzers use FFT, basically cutting up the real spectrum into little strips from left to right. The strips (also called "bins") in the lows appear to be wider for the same range of contained frequencies than in the highs, since the display of the frequencies is skewed to have the lower/midrange near the center.
Confucamus.
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- Banned
- 3889 posts since 3 Feb, 2010
You mean no go because you can hear the frequencies bellow 20hz?Caine123 wrote:thanks a lot!
so the t-racks plugins would be out of competition, cutting frequencies is a no go in my opinion.
but the fabfilter L2 one doesnt seem so clean in the lower frequency range?`
Come to think off it might be the reason why Stealth works so good for me, i always cut from 25-30 anyways From my expierience on various festivals and nightclubs with powerful system, you better avoid those if you dont want to loose your guts
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- KVRAF
- 2111 posts since 25 Jun, 2008 from Montreal, Canada
For me the easiest to use with very good result is Boz The Wall. It's also the one that can go the loudest of all the limiters I've tried (if you're into that).
- KVRAF
- 5948 posts since 8 Jul, 2009
nevermind lol
Last edited by plexuss on Fri Apr 20, 2018 2:23 am, edited 1 time in total.
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- KVRAF
- 5948 posts since 8 Jul, 2009
double - server stale (eesh)
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