Zebra 3 Public Beta 3 Revision 20977

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I am trying to do this: a waveform morphing from saw to sine then to square, and once the waveform reaches square I want to start a PWM.

I can do the first one by modulating the curve morphing using MSEG, and seems like PWM can be done using an OSC FX and I can modulate the depth using another source. However, I cannot find a way to have the PWM start after the morphing is done.
Did I miss something?

Edit: I figure that I can just do the PWM in the curve editor and morph in MSEG using a loop. I'd still love to see if I can get this question sorted out though.

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The init preset fills the oscillator with standard waveforms that smoothly morph, and with PWM at the end.

Using an MSEG is exactly what I would do. It may feel like a waste, but that's what they are supposed to do, any modulation from simple to complex.

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Lusamars wrote: Sat Mar 28, 2026 10:37 pm Pitch modules you say mr.. hmm gotta keep my exploration to find out how to apply those. Thank you Urs
I mention this a lot: Pitch (and triggers/gates) plays an elevated role in Zebra 3. The Pitch modules have their own big tab on the top. Anything that adheres to pitch (oscillators, filters, resonators) can "subscribe" to any of the 4 modules for their pitch information. So you can run multiple different quantised or otherwise manipulated pitches within a single voice.

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exmatproton wrote: Sat Mar 28, 2026 11:09 pm In the first BETA there was a bit of a 'sloppy' quantisation. Like some sort of glide. In the second BETA this was removed/fixed. However, i kinda liked that effect. Any chance to have that as an option?
Hmmm, I'd have to think about that...

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I feel I am getting too many questions at this time... The amp envelope control seems like a pretty basic A(H)DSR implementation. Is there a way to have it do some non linear attack/release, or it would take another MSEG to get the job done?

Seems like a lot of the flexible modulations I want requires the use of MSEG. I am finding myself running out of the 4 slots pretty quickly. Probably need 8 of them, like what I saw in the old Zebra 2 videos...

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My last question for today: is there a way to make the modulation depth bipolar? Seems like everything is unipolar only. I may try to use 2 indirect modulation slots to make something bipolar, but I am not sure if it would cause unexpected results if modulated using a source like LFO...

Edit: quickly tried to assign two indirect modulations to an OSC pitch and set source to LFO. Doesn't work... Did I miss something? What would be the expected way to do bipolar modulation in Zebra 3?
Last edited by loctune on Sun Mar 29, 2026 7:11 am, edited 1 time in total.

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The envelopes are deliberately simple so they can be shaped by realtime manipulations, such as modulating the Attack by the envelope itself, or by the envelope through a Modmapper.

I want to eventually do some research on this to provide for recipes for different solutions, such as creating a fully linear Attack phase etc. - however, I don't seem to have much time lately as we're preparing for the final release.

If I can't find a remedy this year, the alternatives are either implementing slope control for the envelope (which adds complexity that interferes with possibilities offered by the simplicity otherwise), or perhaps Envelope Follower modules, or a simple decay envelope in the ModMath modules.

In any case, this is one of the areas where I need to actually find the time to play and discuss this properly.

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loctune wrote: Sun Mar 29, 2026 7:05 am My last question for today: is there a way to make the modulation depth bipolar? Seems like everything is unipolar only. I may try to use 2 indirect modulation slots to make something bipolar, but I am not sure if it would cause unexpected results if modulated using a source like LFO...
Mappers!

MSEG -> Mapper set to "Map Smooth" with only 2 values, one at -100 %, the other at + 100 %.

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Urs wrote: Sun Mar 29, 2026 7:09 am
loctune wrote: Sun Mar 29, 2026 7:05 am My last question for today: is there a way to make the modulation depth bipolar? Seems like everything is unipolar only. I may try to use 2 indirect modulation slots to make something bipolar, but I am not sure if it would cause unexpected results if modulated using a source like LFO...
Mappers!

MSEG -> Mapper set to "Map Smooth" with only 2 values, one at -100 %, the other at + 100 %.
I still can't figure this part out... I am testing the mapper thing with a very basic case, single osc 1 set to sine and I would like to modulate the pitch using a sine wave LFO between -100 and 100 through a bipolar modulation starting from 0, rather than the unipolar -100 -> 100 up.

Could you educate me more about how to do this?

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The LFO is bipolar by default, you don't have to do anything (unless you switch it to unipolar).

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Urs wrote: Sun Mar 29, 2026 8:07 am The LFO is bipolar by default, you don't have to do anything (unless you switch it to unipolar).
How come I missed that! Is there a list of which modulation source is bipolar and which is unipolar? I'd also love to see these bipolar modulation depth displayed in 2 directions on the UI knobs rather than single direction. Is this changeable in the settings?

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Urs wrote: Sun Mar 29, 2026 7:09 am
Mappers!

MSEG -> Mapper set to "Map Smooth" with only 2 values, one at -100 %, the other at + 100 %.
I understand that Zebra 3 is aimed at advanced users but at times it can feel more like a math equation or scavenger hunt than a music instrument. It's ok, and even a little fun, for complex intends but for bread & butter tasks I'd wish for a little more immediacy here and there.

That said, I'm looking forward to the next beta as I understand quite a lot has happened.

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これはどうですか?
振幅は単に2倍にすることができます。
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HAJIME KOURIKI wrote: Sun Mar 29, 2026 9:23 am これはどうですか?
振幅は単に2倍にすることができます。
I accidentally sent it in Japanese.

How’s this?
The amplitude can be simply doubled.

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In the Hive, when switching between clean, normal, and dirty modes, the voices were distributed differently in unison. Will something similar be added to the zebra?

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