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Author Topic: Inverting signal on voltage processors - Creative use?  (Read 2044 times)

Karamba

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Inverting signal on voltage processors - Creative use?
« on: July 09, 2016, 10:22:38 pm »
I'm playing around with the voltage processors on the Arp2600 and I'm trying to find the use or purpose to use the inverter. I understand you can inverse envelopes, pitches etc ..
I understand what it does but I'm trying to find what it can be useful for doing, what's the common use of inverting a sound?
Is there something useful about it? Is it used to cancel some frequencies out by opposing phases or something?

If you use it what do you use it for? Do you know a patch or a record that uses this to modify the sound?

LBH

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Re: Inverting signal on voltage processors - Creative use?
« Reply #1 on: July 10, 2016, 12:01:08 am »
The preset "Rez Sweep Rel" show a usage of a inverted polarity ADSR in ARP 2600. Hold the note down on this sound some time before releasing.
Try different ADSR settings on this preset, then you get a feeling of what happens.

And you can try to also take the inversed output and connect it to OSC 1 KBD CV input, and hear what happens, just to get an idea of possible usage. How you shall use it in a creative way is up to your creativity.

This might give some additional useful info for the understanding of an inverted envelope: http://en.wikiaudio.org/ADSR_envelope
Scroll to the bottom of this linked page.

Hope this helps.


Karamba

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Re: Inverting signal on voltage processors - Creative use?
« Reply #2 on: July 10, 2016, 07:33:32 pm »
The preset "Rez Sweep Rel" show a usage of a inverted polarity ADSR in ARP 2600. Hold the note down on this sound some time before releasing.
Try different ADSR settings on this preset, then you get a feeling of what happens.

And you can try to also take the inversed output and connect it to OSC 1 KBD CV input, and hear what happens, just to get an idea of possible usage. How you shall use it in a creative way is up to your creativity.

This might give some additional useful info for the understanding of an inverted envelope: http://en.wikiaudio.org/ADSR_envelope
Scroll to the bottom of this linked page.

Hope this helps.

Hey Thanks LBH!

I had some fun trying that! The inverted ADSR was not what I thought so your link made sense. It's a bit mind twisting but now I get how it could be interesting using an inversed release or Keyboard CV.

 ;D


corum_beasley

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Re: Inverting signal on voltage processors - Creative use?
« Reply #3 on: September 02, 2016, 01:32:01 pm »
I have just been watching this video, which shows a number of different patches showing creative uses for the voltage processor. Try inverting the signal in your experiments it can help to create a punch or a suck, if you will, kinda like fast adsr over slow adsr . In his examples he is playing with the envelope but this can be transferred to other modules like the VCF for example.

https://www.youtube.com/watch?v=mJsaUXlld04

Happy Noodling
« Last Edit: September 02, 2016, 05:11:20 pm by corum_beasley »

 

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