Key Tracking and 'playing the filter'

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Firstly - been using Sylenth1 for about 6 months (bought it when 64bit became available) and LOVE it.

My question - I noticed in the other thread that, with Key Tracking set, a particular key might have a Key Tracking value of (for instance) +0.5. Obviously, Key Tracking itself can be set between 0.000 and 10.000 - is there a way to know (or rather calculate) what the Key Tracking value for a particular key might be?

My reason for asking is, I was wondering how to 'play the filter' with Sylenth1, i.e. set Key Tracking to 10.000, resonance to max (so that the filter self-oscillates), and have the tone produced move up and down the keyboard to match the pitch you would expect from each key. But I'm not sure what filter cutoff value (Filter Control cutoff + Filter A cutoff) you would need to set for the pitch to be correct at any part of the keyboard?

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Bumping this up...was hoping for some maths from Lennard! :)

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Last edited by Chapelle on Fri Oct 06, 2023 11:19 pm, edited 1 time in total.

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Liney wrote:Obviously, Key Tracking itself can be set between 0.000 and 10.000 - is there a way to know (or rather calculate) what the Key Tracking value for a particular key might be?
If keytrack is set to 10, then A0 = 0, A3 = 5 and A7 = 10 (if I'm not mistaken).
Liney wrote:My reason for asking is, I was wondering how to 'play the filter' with Sylenth1, i.e. set Key Tracking to 10.000, resonance to max (so that the filter self-oscillates), and have the tone produced move up and down the keyboard to match the pitch you would expect from each key. But I'm not sure what filter cutoff value (Filter Control cutoff + Filter A cutoff) you would need to set for the pitch to be correct at any part of the keyboard?
Just set the keytrack to 10 and you can play the cutoff with the keyboard. You'll have to tune the tone via the cutoff yourself. There are some presets in the Factorybanks that do exactly this. For example 363: Key Self Osc and 351: Key Carillon use this technique.
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Many thanks - will have a play.

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