Author Topic: Vosim & al.  (Read 8437 times)

Toltekradiation

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Vosim & al.
« on: November 11, 2023, 02:02:21 PM »
Hi,
lately i tried to make some choir patch on the preemfm and quite failed at it ::)
i guess it's not that easy to be done with fm, i had to find something else...

Fortunately, there is great informations on the internet !
https://electro-music.com/nm_classic/015_workshops/Clavia/NordModularWorkshops&Threads/WerkMap/WorkShops/Hordijk1999-2000/VOSIM.html
https://scsynth.org/t/fake-resonance-aka-windowed-sync/2720

so i tried to add new algo with windowed sync oscillators  :)

here is some quick snippets done with it :
http://sndup.net/tmfx
http://sndup.net/v7wy

Code start here :
https://github.com/pvig/preenfm3/blob/75144a2b58bacd852ae444163dde0cbc9ffc3432/firmware/Src/synth/Voice.cpp#L3621

There is a color code on the preen screen for synced osc.

I chose simple algos : 3 & 4 osc, based on Algo2, Algo 6.

Suggestions and comments welcome about that !

(firmware attached, built on top of 1.02)

matrix12x

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Re: Vosim & al.
« Reply #1 on: November 12, 2023, 01:03:37 AM »
Those samples sound awesome!!
I cant wait to try out your firmware tonight.

matrix12x

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Re: Vosim & al.
« Reply #2 on: November 12, 2023, 06:38:57 PM »
Any chance you have some suggested starting points for the IM settings?

Toltekradiation

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Re: Vosim & al.
« Reply #3 on: November 12, 2023, 08:25:19 PM »
i'm still learning how to use it as well, it's a trial and error process at this stage.
i guess sidebands created by IM add new formant peaks but alone it's not enough to make a lively voice articulation, one need many matrix modulation.

For now i do simple pseudo voxy resonant thingy patch, it's fun !

Below is the patch bank i currently use, if you want to have a look.

matrix12x

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Re: Vosim & al.
« Reply #4 on: November 15, 2023, 02:43:54 AM »
perfect. thanks.

I'v played with the three new Algorithms a bunch. I like Algo 30th best so far. I've been able to make a bunch of crazy sounds, but none were vocal or choral like yet. I think I'm not modulating right/enough, so your patches will help me in that direction.

Toltekradiation

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Re: Vosim & al.
« Reply #5 on: November 15, 2023, 07:05:53 PM »
i should try different algo, yes algo30 is the most versatile, with its second modulator.

any idea is welcome to help finding new interesting topology  :)

matrix12x

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Re: Vosim & al.
« Reply #6 on: November 17, 2023, 04:09:49 AM »
@Toltekradiation These patches are exactly what I wanted to do. After reviewing the patches, I realized I didn't have nearly enough modulation going on. Thanks for the help. :-) I'm probably going to spend all weekend playing with these new algorithms.

Toltekradiation

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Re: Vosim & al.
« Reply #7 on: December 02, 2023, 08:17:52 PM »
Here is a new version, with another algo, which let the master sync osc to be modulated.

And i found a trick to get a much larger pitch range modulation for the slaved osc, pitch modulation from the matrix is now x 16 for those.
It helps to get the fake resonance like heard in the supercollider thread above :D


matrix12x

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Re: Vosim & al.
« Reply #8 on: December 05, 2023, 04:09:46 AM »
re the additional modulation, thanks. Very cool. I just started playing with the new algorithm.

Toltekradiation

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Re: Vosim & al.
« Reply #9 on: December 16, 2023, 06:28:56 PM »
Another version :
Algo29 is reworked as it was too close to algo31 : it's now a 4 osc, with two carrier, a classic one and a synced one.
Matrix modulation is now squared for synced oscillators : sounds more natural and possibly more extreme !


Toltekradiation

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Re: Vosim & al.
« Reply #10 on: January 20, 2024, 05:43:22 PM »
as the preenfm2 have not so much love these days, i did a pfm2 firmware version with the lfo shapes from the pfm3 and the 4 vosim algo as well...
it seems to work well, these features does not need much cpu nor ram.

fw attached

matrix12x

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Re: Vosim & al.
« Reply #11 on: January 20, 2024, 06:00:46 PM »
Awesome. I still use mine all the time. I will update it with this OS to try out the new features.

Xavier

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Re: Vosim & al.
« Reply #12 on: January 21, 2024, 06:15:14 PM »
That's really cool. Thanks  :)

My work pulled me away from preenfm firmware the last couple of months.
It should much better in a week or so.
I cannot wait to take a look at that.

Toltekradiation

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Re: Vosim & al.
« Reply #13 on: January 21, 2024, 08:15:06 PM »
Hello Xavier,
i have a github branch for this, if you want to check it out :
https://github.com/pvig/preenfm2/tree/vosim

the_duckchild

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Re: Vosim & al.
« Reply #14 on: March 07, 2024, 05:25:28 PM »
this sounds super interesting, and a massive thank you for including the Preen2!

edit: just had a go, and it's brilliant, love it!
Just had a super fun patch pop up using it while randomising. Will see if I can build a whole bank to share.
« Last Edit: March 07, 2024, 06:22:19 PM by the_duckchild »