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Chris

Hi! I've got a new plugin you can have! These plugins come in Mac AU, and Mac, Windows and Linux VST. They are state of the art sound, have no DRM, and have totally minimal generic interface so you focus on your sounds.

Interstage

TL;DW: Interstage is a subtle and sophisticated analogifier.

Interstage.zip(341k)

Interstage is one half of an experiment. I pitted my ability to use my weird techniques (interleaved IIR, slew limiting, etc) against my new biquad filtering techniques, in the battle of the bandpasses. The biquads could give me total DC rejection and total rejection near Nyquist. My more distinctly Airwindows tricks could give me new sorts of nonlinearity and tone. Which would win?

This isn’t called ‘Biquadstage’, so that might be a bit of a giveaway.

Interstage isn’t a loudenator. It doesn’t really clip (though it does go dark as you push the highs harder, in a way I’ve never done before). It doesn’t even preserve the output peaks of heavily limited material: it’ll reshape lows in such a way that the peaks might go up slightly as the deepest lows get rearranged, and it doesn’t really eliminate DC offset either. So what does it actually do?

*deep breath*

Two level total of three pole IIR highpass which subtracts a pre-averaged sample and slew limits (all right, clips) against not the direct signal but the initial stage IIR lowpassed reference point used as part of the highpass. Oh, also the average it uses isn’t the previous input sample, but the slew limited highpassed output.

*crickets*

No, I am NOT making that up. That’s literally what it does, you can see the code.

What does it sound like? It sounds like running through an optimal analog stage. The lows are reshaped in a characteristic way for a capacitor-coupled circuit that still allows extended lows: this doesn’t suppress much if any extreme bass. It just massages it a bit. The highs run into active component electronic limits, but unlike other approaches (Channel for a bit of grit, Acceleration for ultra-clear) this is restricting treble slews based on the general amount of energy in the circuit. So it goes darker in a peculiarly analog-like way I’ve not done before, sounding still clear and trebly for most audio, but confining the craziest most digital-sounding treble swings into a zone that sounds like hardware. And this is without thousands of math operations of heavy processing: unlike overprocessed analog modeling, this one nails the ‘energy coming out of analog circuitry’ without blurring or thinning the audio at all. If you don’t need what it’s doing you’ll hear no change at all. Only when ‘excessively digital bass and treble’ show up to interfere, does Interstage kick in.

I’m pretty sure Patreon is still up, so what you should do is what you should usually do: don’t take my word for it or rely on my peculiar demos. This time, you can’t even if you wanted to! But you can download the plugin and try it. Throw it on something, preferably something you’d like to make a little more analog-ized, and see if you can pick out the differences. Interstage does not distort or saturate, so it shouldn’t change your gain staging or the density of your tracks. It simply focuses stuff a little for you, in the way that real analog circuitry inevitably does, and it’s a new flavor on that theme. It’s designed to work optimally at any sample rate you give it, and guaranteed not to diminish any of your tones (unless those tones require strangely artificial sonics that can’t exist in nature: if so, put this on your OTHER tones and you’ll have a nice contrast).

I hope you enjoy Interstage!

Vibrato

TL;DW: Vibrato lets you vibrato, chorus, flange, and make odd FM noises.

Vibrato.zip(358k)

I’m back! Had fun going to a con, and here I am with an Airwindows classic that’s loaded with new twists: Vibrato.

The heart of Vibrato is the Airwindows moving-delay-tap interpolation code also found in Chorus and Flanger, but here there’s some extra functionality plus ways to partially simulate those other plugins: while you can make the full-wet sound do a nice vibrato (automate to taste), there are other fun things to do. You can use the dry/wet to get a chorusing effect, or with less depth, a flange: or set it to ‘inverse’ to get the same but with a through-zero flange that’ll cancel almost totally to silence. This can also be used as an interesting sort of highpass (or of course, using normal wet, as a sort of lowpassy effect). That’s all with the main vibrato control, which has an extremely wide speed range.

Or, if that’s not enough, you can bring in the FM vibrato. This has the same type of speed control, and a depth control of its own, but instead of affecting the audio directly, it affects the speed of the main vibrato. You can use this at low speeds to provide an interesting modulation to the main vibrato, flange or chorus, or crank it up to produce distinctive overtones. And again, automate it to do even more interesting things.

Vibrato is a nice little utility plugin, and I think it deserves a place as a go-to ‘time modulation’ plugin for people who have a solid understanding of how these effects work. It’s not hugely complex, or specialized, and it’s just complicated enough to be sophisticated. Want a lush chorus? Vibrato. Warbly effect? Vibrato. Thin things out in a way that sounds airy and interesting? Vibrato, inverse-zone, near 0.5 for maximum effect. Funny overtones and resonances? Vibrato, full-wet, up in the audio range. Even more metallic? Bring in some FM.

It’s approachable, it’s flexible, and it’s open source and free. Mind you, I am not free: if not for Patreon I wouldn’t be here and you wouldn’t have Vibrato for free. It’s pretty simple: rather than force and compel people to give me money, holding ’em hostage and running hostile code on their workstations, I provide the plugins and the code for free and pretend to sell them, and people pretend to pay me :D the interesting thing is, while this doesn’t earn nearly enough money to drive fancy cars and live large, it makes enough sense that people DO pay me just to keep me working, week in and week out, thinking up new stuff.

And you could be one of those people: if you’d buy this plugin for $50 (lifetime support, licensed for all your computers, and you get the source code) then hop on my Patreon and add fifty dollars a year to whatever you’re doing. Unlike many subscription services, if you have a tough month and have to drop off to rescue your life, I don’t punish you and you still keep control of your plugins and mixes. Honestly, it’s an amazingly good deal: the only thing it lacks is me attacking you when you’re broke (which, admittedly, cuts down on my profits).

However, I think we can all do without that. It seems rude ;)

Dyno

TL;DW: Dyno is a lot like Mojo, but for intensity instead of loudness.

Dyno.zip(342k)

I’ll be quick: some family stuff is up and I’m running late, but I’ve got a plugin all the same.

Except it isn’t all the same. It’s similar in some ways to Mojo (from last week), but Dyno has a completely different character. Instead of loudenating, it ‘intensenates’. It’s a little bit like Remap in that way, but it’s not the same as Remap. You won’t get a volume boost out of it really, nor will it let you slam it for fatter peaks.

Instead, it brings fire and intensity to the audio and reshapes the waveform in a Mojo-like ‘evolution of Spiral’ way. Because it doesn’t take to slamming in the same way, it’s going to be a more subtle effect, but for those who got excited by Remap, this one deserves your attention.

Because some stuff’s come up, I can’t guarantee the usual Airwindows stuff a week from now. Might have to skip a week for plugins, or fail to do the Monday livestream (tomorrow should be good though). Since I’ve put out a plugin (some quite good) for the last 27 weeks without a break (over half a year without a pause!) I am hoping me and you both can handle a hiccup in the pedal-to-the-metal Airwindows free plugin release schedule: I do my best, but it’s just me up here and I might need to take a week to take care of things. I’m just saying, ‘cos people might freak out and think I died. Not yet! So far as I know! :)

Oh, and the results are in for ‘dislike and subscribe’: it was a fun experiment, but it didn’t do anything. You can keep disliking videos if you really want to, so long as you enjoy the actual plugins.

If so, by all means go and add $50 a year (or heck, a dollar) to my Patreon and I will get back to the maniacal ferocity of incessant plugin-making as soon as I can. I definitely need to take a breath and get my bearings: it’s getting so some people can’t handle it without a roadmap and/or curated collections, and maybe that would be another kind of release I could do, namely designed sets of plugins that serve as starting points. We shall see. Have fun playing with Mojo and Dyno and Biquad etc etc, and feel free to throw ideas for me to consider while I un-clench and take a breath for the first time in half a year! :D

Mojo

TL;DW: Mojo is a biggenator that also works as a loudenator.

Mojo.zip(342k)

Happy accidents! What I was trying to do was add a blend control to Spiral, so I could make a Channel that let you go between the original, ‘fatter’ sound and the cleaner, more transparent but less fat Spiral sound.

Instead, I got this (and another, complementary plugin to be revealed later). I coded up a refinement to the algorithm, where the ‘curve factor’ of Spiral got modified by powers of itself, or powers of powers of itself… up to the fourth power, which turned out to sort of have MAGICAL powers, or at least that’s how it seemed when I worked out what was happening to my test sine waves.

Mojo’s the result. It’s a neat little algorithm that doesn’t sound anything like Density, or Spiral. Instead, it sounds like concentrated HUGE. Even at no added boost, it makes the sound a lot fatter (much like what was asked: a more refined algorithm that still gets the fatness of Density). But then there’s more… when you start slamming it.

Turns out this simple little algorithm, one single transfer function without extra parts or switches or added tricks, soaks up input gain like nothing I’ve seen.

Understand, it’s not ‘clean’. It thickens and fattens the sound without any real EQ change, by where it puts the energy and how it rounds off peaks. It’s got a weirdly effective way of being able to round stuff off and then turn it into a mostly flat-topped output, like full-on digital clipping style loudness, but with neatly sculpted little curves going in and out of the flat stuff. It’s also such a nonintuitive algorithm that I wasn’t able to find an ideal spot to just straight clip it… so, like original Spiral, if you push beyond its limits it’ll start wavefolding on you (which can be an indication of too much slam). But the sweet spot is unusually wide and forgiving, and it sounds really loud while you explore that maximum limit.

Mojo is an accident, but it’s also an obvious ‘popular’ plugin. Check to see if you’re okay with the extreme fattening effect it has, since it does really have a sound and isn’t what you’d call clean, even in the absence of extra boost. But if you were already looking for some ‘mojo’ to be added, this Mojo might be just the type… and, like the original Density algorithm, this one is likely to show up in other plugins as an added saturation element, because it’s got a distinct flavor that will help certain plugins do their thing.

If you’d buy Mojo for $50 (perpetual license, lifetime support, plus install it on as many computers as you want and get the source code) you can go and pledge $50 a year at my Patreon. Or, use it anyway. Subscriptions are a big topic of discussion these days, so by acting like you need to stay on MY subscription it helps show that open source is the way of the future, and better than renting DRMed software that can be taken away from you. Airwindows is more future proof than many things because of this choice. Is it worth doing in this way, or do you have to take stuff away from people to force them to pay? We shall see, but I can’t help but notice I’m still here and haven’t run out of ideas.

Now, I AM running out of ways to make sense of the massive huge open source freely available yours-to-own library. So come hang out on my Monday Q&A livestream and we can talk about possible ways I can assemble ‘Airwindows kits’ to give people only a small set of the plugins at a time so it’s more approachable. You can always go and add anything else out of the library, but it’s time to get this juggernaut more approachable for newcomers :)

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