Synthesizer Sound Design Tip: Use Randomization


Synthesizer Sound Design Tip Use Randomization

When you wan’t to create your own sounds and presets with your favourite VST synth, but don’t know where to start, FL Studio offers one very handy function for making your creativity to work: Randomize.

Randomize is a function in Fruity Wrapper (Fruity Wrapper is a software interface/layer between instrument/effect plugins and FL Studio) that will give random values to the plugin parameters everytime it’s selected. It’s like ‘throwing a dice’ with all the synth controllers. Eventually, you’ll end up with some really interesting sounds.

I use randomization when I’m out of sound design ideas. It’ll mess up the settings nicely to give a fresh start for something completely new. Then I’ll jus tweak the parameteres a bit further though sometimes the Randomize will bring results that will work as is.

Randomize is ESPECIALLY useful for creating some weird fx.

Here’s a couple of sound examples that are made with Fruity Wasp XT and Randomize function. Only a very little further tweaking is implemented after the randomization (btw, Wasp XT is actually a quite versatile synth so you might want to play around with it a bit):


Ok. Here’s how you use the randomization: just right click on the arrow icons at the right upper corner of the plugin and choose Randomize from the plugin presets menu (click the image to see it bigger):

Randomize Plugin Parameters

If you’re not happy with the results, Randomize again.. and again.. and again.. and when you find something you’re almost happy with, fine tune it by tweaking the paramaters a bit further.

Hopefully this’ll kickstart your journey into sound design!

Watch the video:


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10 Comments on "Synthesizer Sound Design Tip: Use Randomization"

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Jon W

Ahhh so that’s what the randomize preset thing does!!

I always figured it had something to do with the preset display or something……..LOL!

Thanks a lot Petri 🙂 This should keep me busy for awhile!

Petri Suhonen

No problem Jon! Be cautious though: sometimes ‘throwing a dice’ with the synth parameters may cause very loud noises so keep your volume in moderate level to protect your ears 🙂


Woah, you have totally inspired me to mess around with Wasp. I was a 3xosc fanboy but this is great too

Petri Suhonen

Cool, glad to hear that! 🙂 Wasp is surprisingly versatile synth once you start to tweak with it.


Ha! good advice.

When I get tweaking I’m always careering towards grey goo. I stop sometimes and go, ‘that’s just not music anymore…..sounds broken” hehe

Just to throw-in some more ideas for more tuts……..arps; main synth controls/features; quantising (and other such fiddling in PR and PL, grooves, splitting…); the various trancey drum patterns (the gallop, and whatever they’re all called). I’m greedy? They’re such good tutorials though 😉

Like I said earlier, I am working through them, so if it’s already been covered I should find it. ta

Petri Suhonen

yeah, though almost anykind of sound is acceptable in modern electronic music if used with good taste 🙂

Good ideas (even though I’m not actually taking requests – time/knowledge issue). Some of them I have already covered such as the arp though I’m not sure if that’s what youre looking for.

Keep it up mate and keep an close eye on this site for more tricks coming soon! 🙂

Y, thanks, I found that Arp thing. “Set tempo to something Trancey”….lol My production has already improved considerably, so thanks very much for the tuts. Biggest help so far has been importing drum-loops into slicex: no more fiddling with tempo in the playlist to get em to loop right. That was going to be one of my suggestions for a tutorial! aligning and tempo setting samples in playlist. Eg drop a drumloop into playlist…will it loop cleanly? have to adjust project tempo to find right tempo. Likewise with samples dropped in a sample channel – hit the keyboard and they… Read more »
Petri Suhonen

For making the loop to fit into project tempo (without slicex), there’s time stretch function in the Channel Settings. I cover this in my “How To Use Loops To Spice Up Your Beats” -tutorial. Le me know if it helped 🙂

Yes thanks, that helps a lot. What I’d missed was that selecting Pro-Transient *along with* adjusting the time knob made FL automatically fit the loops to the tempo in playlist. That’s what it’s doing, yes? (using protransient as algorithm…..) That’s (part of) exactly what I had been looking for, and I have been through all those tabs, clicking and tweaking and……getting chipmunks. I never found that combo, at least not consistently. doh! One issue though – when I try to play it as an instrument on MIDI keyboard, pitch changes don’t happen. I can’t get pitch changes whilst maintaining length/time/tempo… Read more »
Petri Suhonen
Well, It’s kinda yes and no…. if the sample/loop doesnt originally have loop points defined, you need to tweak the Time -knob by hand to first stretch the sample to make it fit to tempo, though it will ‘snap’ to closest grid automatically. However, after that, replacing the sample with another will stretch it automatically (using the stretching method you choose) to grid which is closest to the end point of the sample lenght. HOW the stretching will sound is defined by the stretching method you’re choosing. Pro-Transient is the smoothest method, but others will work too though you’ll get… Read more »