patch inspired by audrey II feedback synth

Hi all,

here is a patch inspired by the AUDREY II feedback synthesizer by Synthux Academy and Infrasonic Audio. I for sure used some premium modules: You can replace them with free versions as you like of course, the compressor of Squiky Labs is free and good for instance.

testdrive and short demo of the patch is here as well. It is capable of a lot of sound, so the demo is just a snippet. Enjoy and happy holidays!

AUDREY II_161224.vcv (9.2 KB)

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I’d like to watch the video, but it is private. Can you make it either public or unlisted for us?

This is a great dungeonsynth voice.

Are you sure? I checked and it is published as public.

You are right – now it works fine. Weird. Clearly something went wrong in my browser.

I was able to watch it OK. Some great feedback tones there! I see you’re using the Waveguide Delay module, is this basically acting as a resonator? I discovered that adding a feedback loop to resonators then patching the feedback signal through a filter generates some crazy harmonics. You can also experiment with other effects in the loop, flangers, phasers or even more resonators will all produce different sounds. Nice patch!

yeah it is the waveguide as a resonator. with two feedback loops: a short (karplus strong) loop a second one with two filters (hp and lp), a reverb and a second delay (body) in it. After the resonator is a third (tape-ish) delay as a send fx.

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Excellent, that’s an underrated module! I’ve got a few patches with the same approach. I made a whole load of resonator/Karplus-Strong patches earlier this year and keep meaning to make a tutorial on it but haven’t found the time yet. It’s basically physical modelling for idiots (just speaking for myself there, no offense!), because you can get the same sounds without needing to understand any of the maths involved in traveling wave equations.

Reading up recently, the way you do this in code is to write a random buffer into memory, then for each sample you calculate the average of the last two samples, which acts as a one-pole filter and creates the bright attack with the higher frequencies rapidly decaying, like a real string. The interesting thing is researchers found that whatever you start with, you ended up with the same sound, so I’m guessing that using bursts of noise into delays/resonators etc is effectively the same as generating string sounds computationally using the proper KP algorithm. Either way, it’s a rich source of more unusual and organic sounds in VCV.

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