Airwindows ADClip7 FIX: AU, Mac and PC VST

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https://www.youtube.com/watch?v=af0DIXom8HY

TL;DW: The ultimate Airwindows loudness maximizer.

ADClip7

Finally! The newest version of Airwindows' famous ADClip is out, and it's Mac and PC VST for the first time, and it's free! If you have dense, busy mixes and you want to push their loudness to the max, this is the one you want. And, oddly, if you're mastering for streaming services or iTunes and don't want to do a thing besides convey your mix at a set LUFS and intersample peak level, this is still the one you want :D

Here's how it works.

You've got a boost control, a soften control, an enhance control, and a popup or multi-function control with three options: normal, gain matched, and Clip Only. These are all interactive, so I'll explain them in the context of that 'mode selector' popup.

In normal mode, boost makes things louder. This is a clipper, and no more polite method can ever make things louder than a clipper: you need to either give it a busy and complicated mix to mask the clip artifacts, or use it to snip off non-tonal percussive peaks, at which it excels. A clipper does NOT produce 'limiter-like unvarying block of sound', and you shouldn't try to achieve that. A clipper gives you punchy but LOUD, and tries to retain all the dynamics you're feeding it, rather than smooth them out for a 'clean' sound.

The soften control manages the way that high frequencies enter and exit the clips. It algorithmically reshapes the edges of your clip, stopping it from getting digital glare and fizz. This is the heart of ADClip (also present in my simpler clippers, not counting One Corner Clip, which is still upcoming).

The soften control also balances the outputs of two separate energy-fill algorithms, one for bass and one for highs. This was the response to a certain other loudness maximizer that launched proclaiming clippers were dead, and which is still promising its version 2 (and some bugfixes) while ADClip has gone far beyond it. Turned out the secret of that one was an elaborate way of massaging clipped-off loudness back into the signal, in a way that was supposed to be transparent but 'cracked' into artifacts when pushed too hard. The algorithms were presumably very sophisticated, which tends to just make the breaking point more obvious when you hit it.

The Airwindows version is a completely different, cruder and more direct version of doing the same thing, so when you slam the heck out of ADClip7, you get a deep bass slam that 'overhangs' a bit to add weight, and still fits into the clipped output. And you get the softened, analog-style clips to add 'heat' and overtones, but you also get a high-mids reinforcement that normally just highlights bright transients that would otherwise be lost to the clipping. And the Enhance control lets you go between purely 'analog clip' energy, and these added reinforcements.

The gain-matched mode has two uses. You could use it to 'set your slam level' in a way guaranteed not to trick you into thinking louder is better: it turns the output down, so instead of hearing everything get bigger and louder, you just listen for the point that the clipping's adversely affecting the sound. Then you can flip back to normal mode, if that's what you wanted (maximum loudness without blatant grunge). Or, you can ignore the slam and use gain-matched mode as I demonstrate in the video: ADClip7 already suppresses intersample peaks when they're part of clipping, already reinforces energy lost to clipping, so you can use it in conjunction with a tool like Youlean's loudness meter to dial in a specific intersample peak level for iTunes or other such picky streaming services. It'll work like padding the output. and if you're already in the ballpark LUFS-wise, ADClip is a far more sophisticated tool than just limiting and then padding the output to get to your 'true peak' target.

The last mode is Clip Only, and rather than selecting the various algorithm outputs individually, this version of ADClip gives you them at their respective loudnesses, combined. That means you can engage this mode to hear ONLY the clips, and check that you're not hearing any recognizable 'scrunch' of continuing clippage. But since you're also hearing the enhance outputs, you can adjust softness and enhance level to balance the stuff being introduced to the sound. My recommendation is to set the controls so no one type of artifact predominates: it's not necessarily great to throw in a bunch of 'enhance' bass just because you can. If you're hearing that much of it that you're tempted to use it as an effect, you're definitely also over-slamming your music.

So my recommendation in 2017 heading to 2018, is to use ADClip7 in gain-matched mode, to keep that 'true peak' measurement within the Mastered For iTunes requirements. I'm sure not everybody will stick to that, but I'm happy to say it is actually quite good for doing that, and if people want to smash stuff with it and enjoy the bass thud, that's their affair. Remember a clipper makes stuff dynamic and punchy, not 'flattened out': use a limiter if you need dynamically flat, or perhaps both. In this modern era of replay gain, I'm going to suggest that dynamic and punchy is where it's at. Learn the lessons of the LUFS meter! They're available to us all, now.

This work is supported by Patreon. I'd like to see many people joining in to keep me going, at a buck or two a month so it's easy for everyone and predictable for me. I'll keep on giving you tools to guide you through our ever-evolving music business, and you get to keep my stuff with my blessing: it's a Patreon, not a subscription. :D
Last edited by jinxtigr on Wed Oct 11, 2017 7:58 pm, edited 1 time in total.

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Thank you Chris!!

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EDIt
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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Chris, once I move "Enhance" slider, the CPU jumps up to 84% (form 5% !) on my Q9550 ?

Whats going on ??..
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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Response to which other loudness maximizer ?
Duh

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Tp3 wrote:Chris, once I move "Enhance" slider, the CPU jumps up to 84% (form 5% !) on my Q9550 ?

Whats going on ??..
Uh-oh. First of all Enhance defaults to halfway (0.5) and there ought to be no calculation difference if it's off or on, and secondly, it IS denormalized. What DAW and platform, and if VST is it on 32 bit or 64 bit audio buss? Could it be someone else's freaky bug?

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jinxtigr wrote:
Tp3 wrote:Chris, once I move "Enhance" slider, the CPU jumps up to 84% (form 5% !) on my Q9550 ?

Whats going on ??..
Uh-oh. First of all Enhance defaults to halfway (0.5) and there ought to be no calculation difference if it's off or on, and secondly, it IS denormalized. What DAW and platform, and if VST is it on 32 bit or 64 bit audio buss? Could it be someone else's freaky bug?
Lets just make things clear, for the sake of friendliness :clown:

I did NOT say it is a bug. it's just an observation. it MIGHT be due to bad interaction with other software but nevertheless, it did happen...

Just a friendly FYI :tu:
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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I still want to fix it if I can, but as far as I know I'm already applying maximum denormalization. So I'm super interested in what made this happen. Do you actually mean 'move the control from default'? Because that's extra weird, as default is 0.5 and already engaged :D

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jinxtigr wrote:I still want to fix it if I can, but as far as I know I'm already applying maximum denormalization. So I'm super interested in what made this happen. Do you actually mean 'move the control from default'? Because that's extra weird, as default is 0.5 and already engaged :D
Well, I don't think it's a denormal thing. remember, I was (and still am) checking the plug within Cantabile 2 environment.
it seem to have happened when other plugins were involved and engaged. I'll report back ASAP.
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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Eagerly awaiting more info :)

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bungle wrote:Response to which other loudness maximizer ?
Im eagerly awaiting more info too ?
Duh

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bungle wrote:
bungle wrote:Response to which other loudness maximizer ?
Im eagerly awaiting more info too ?
Oh, all right :lol: it's FG-X that does the 'store up excess energy and put it back into the audio somewhere else' thing. Nobody else did that first, and that's why FG-X 'shatters' when pushed too hard. I had to implement it in a completely different way, as Fabrice does things in a totally different way than I do, but the basic concept is solid. Pretty much whether you're limiting or clipping you save up the energy and stick it back into the audio, perhaps as subs fill, or using 'Haas effect' to mask the onset of higher-frequency stuff (an initial sound will cover up a quick echo, but the echo will boost the overall loudness).

So that's the one time that I 'emulated' Slate, and it's pretty funny that it's like the one time Slate hit upon something that really truly wasn't just 'emulating' some hardware company's IP :D

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jinxtigr wrote:Eagerly awaiting more info :)
I don't know if you were referring to me when you said @ GS "I have one user who's like 'eeee, massive CPU bug!' " (if it is me - which kind of makes me a cry baby - no hard feeling taken :wink:) but...

... at the moment I can't seem to reproduce it.

I KNOW that it's probably a clash with some other plug (or plugs ?), I just can't remember which one, nor can I produce it again - at least for the time being (that's the downside of trying [way] too many audio plugins).

BTW Chris (and anyone who cares to listen), try the following : put a gain plug (in my case : Blue Cat's Gainer - which can reverse compensate afterwards) ; iZotope Imager (wide @ 33%, stereo @ Default @ inactivated 6.0) ; ADClip (set @ zero everything except of clip-mode which is set @ gain-matched); another Blue Cat Gainer (reverse compensated).
Now crack BC's Gainer first instance volume to taste (that is until clipping hurts the sound).

I think you're in for a pleasant surprise. :tu:
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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Yay! (in that, the plugin is mostly capable of doing awesome). I'm sorry if there's an intermittent thing and I'll try to fix it if you can find it or what caused it, but I'm pretty happy that you're able to experience the plugin working as intended :)

I do want people to 'cry out' if they observe this stuff, otherwise I will NEVER know.

Also… I would kind of suggest not using ADClip7 with soften and enhance at zero. You're only turning most of the ADClipness off, you should try out ClipOnly if you're looking for something that simple. In particular, Soften is meant to be somewhere in the middle. It's totally fine if you like Soften only barely cracked open, or nearly no Enhance, but it might just be telling you that you don't even want ADClip :D

Remember I've got simpler stuff out there. ClipOnly uses ADClip tech, and if you're already doing that much to reduce it to only a clip stage in a larger and more complicated apparatus (which I love), try using the Airwindows clipper designed to be just ADClip's most basic clip stage :)

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jinxtigr wrote:It's totally fine if you like Soften only barely cracked open, or nearly no Enhance, but it might just be telling you that you don't even want ADClip :D
Nope, I do ! (hey, I'm subscribed to the very best subscription plan : one that users do not bemoan whether the dsp should or should not be contained in a container box - for 30 pages long thread :hihi: :hihi: ).
it's just that with material ridden with subs and excessive highs it might produce (and it does) whistle like, harsh distortion, when cranked. sometime even with slider "at ease", IIRC (ie, 50%).
Otherwise, it's not easy to even notice the merits of the function (for my ears, at least..).

But point taken ! :tu:
Professional technicians are assessed by the abilities they possess.
Amateur technicians are assessed by the tools they possess - and the amount of those tools, with an obvious preference to the latest hyped ones.
(Gabe Dumbbell)

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