Depending on the frequency of the elements/operators ("oscillators" ) - a filter may or may not squelch the frequencies to silence. The filter type makes a difference. The harmonic content of the oscillator's output makes a difference including frequencies and levels.

HPF means high frequencies are allowed to "pass" through the filter while lower frequencies are not or subdued. And, true to form, "HPF Dance" uses an HPF - HPF24D specifically - as its filter type.

I don't find a negative ratio will do what you say for the default filter - maybe you changed the filter? With an increased cutoff there are more frequencies that are not allowed to pass - so the waveforms get more quiet as the cutoff gets bigger (not smaller).

And if you add a new element - each element gets a different filter. In order to copy everything and keep it the same with only the waveform changing, press [SHIFT] + [EDIT] to copy one element to another. Then change the sample used and your filter setup should be the same between the two elements.

In order to fully "turn off" an element - you may want to use element level in combination. If you're only using the filter to "turn down" an element and not to change its harmonic content along the way (frequency spectrum) - then you may want to use level exclusively instead. However, you could use level in addition to make sure there's some tail end of the modwheel that will squelch the element(s) at some full extreme of the modwheel. Modwheel can have multiple destinations.

@ab...

Jason is correct.

My estimate of your problem is that the Cutoff Parameter Value (in the Filter section of the Element) is already too high. Lower this value, and the ModWheel may have enough movement to "Filter out" the sound.

Also, for noise, make sure it is an LPF Filter.

Last point, when setting up the MW in Control Assign, notice the "Depth" setting. Increasing this will increase the amount of change it makes to Cutoff Value.

I meant Fat Saw St waveform it is not literally HPF Dance.
Didn't have a device near.
Yes, filter is changed

Fat Saw St / Elem1 ...
LPF12+HPF12
Cutoff = 255, Resonance = 18 ... +0 +0 +0 +0 +0 ... Gain = 222

White Noise / Elem2 ...
HPF24D
Cutoff = 255 ... 0 +0 +0 +0 ... Cutoff/Key = +31%, Gain = 230

Control: Element - Cutoff > ModWheel
Curve Type Standard, Polarity Uni, Ratio -24, Param 5
Element SW 1, 2, 3 ... all ON

--- OK! Testing NOW

White Noise / Elem2 ...
LPF12+HPF12
Cutoff = 30 ... 0 +0 +0 +0 ... Cutoff/Key = +31%, Gain = 230

MW = minimal ~ "Bad sound" Killed by filter
MW = maximal > the sound is quiet but audible ... shhhh
Not are clean down

Fat Saw St is sound clean to null with MW max

White Noise if could be full deleted then are null 😀

--- One layer only

Trance ABS / Elem1 ...
LPF12+HPF12
Cutoff = 160 ... 0 +0 +0 +0 ... Cutoff/Key = +31%, Gain = 230

MW = Max - the sound is quiet but audible

--- One layer only

Phat Stack / Elem1 ...
LPF12+HPF12
Cutoff = 160 ... 0 +0 +0 +0 ... Cutoff/Key = +31%, Gain = 230

MW = Max - the sound is quiet but audible

///

White Noise, Trance ABS St, Phat Stack St
It seem like not enough ModWheel -64 and not enough Cutoff 0-255
It strange 🙂

///

I see that something depends of Cutoff/Key and Gain

---

Yes, It seem like depend of Gain is answear to all questions!
But low Gain makes it worse a background layer sound

Control Assign Depth = Ratio

You have HPF+LPF -> change to LPF.

Cutoff = 255. Set to a Lower Value maybe 160.

Solo "Bad Sound Elements" and adjust Cutoff Parameter while playing Keys. Use your ears, when Cutoff starts to Lower the Hisssss, leave it at that Value.

Another tip... Make a simple INIT Patch with 1x Saw Wave Element & 1x White Noise Element. Experiment with just those two "oscillators" and the various Filter parameters, the Filter EG and the Control Assigns. Suggest using 2 different Assign Knobs, 1 for Saw, 1 for Noise.

I think you are trying to understand a simple thing, but it is crowded in a very busy Factory Preset... there are too many other variables to get a clear view of what you need.

Thank you! Thanks to all!