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Author Topic: How to add a negative keyboard tracking to the filter?  (Read 517 times)

Novaliz

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How to add a negative keyboard tracking to the filter?
« on: May 18, 2018, 11:45:44 pm »
I want to add a negative keyboard tracking to the filter so that the filter closes the higher the note I play. With the pre-patched Kbd CV option I cant go into the negative. Any Idea?

LBH

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Re: How to add a negative keyboard tracking to the filter?
« Reply #1 on: May 19, 2018, 01:09:17 am »
You use the "Voltage Processor" inverter function.

1. Connect a keyboard output (KEYBOARD CV OUT - X1 or X4) to a "Voltage Processor" input.
2. Switch the relevant "Inverter" On to reverse the signal. (Click on the triangle button (Inverter) between the In B and the Out.)
3. Connect the relevant "Voltage Processor" output to a filter Control input. (That could be into the pre-connected  KBD CV input.)

Unfortunately this old ARP2600 V forum does'nt seem to offer a possibility to attach an image or other files.  I believe it's possible in the new ARP2600 V3 forum. So if you need an image of an simple example, then post in the new ARP2600 V3 forum about this.)

Novaliz

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Re: How to add a negative keyboard tracking to the filter?
« Reply #2 on: May 20, 2018, 05:54:45 pm »
Thank you very much!

LBH

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Re: How to add a negative keyboard tracking to the filter?
« Reply #3 on: May 20, 2018, 09:41:40 pm »
Your welcome.
The Voltage Processor can in many ways be very useful.

 

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