Oberheim Filter

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al_bot
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Oberheim Filter

Post by al_bot »

Was there an Oberheim like filter anywhere in scope, instrument or in modular?
I use the SATURN device and like it (except for the old style saving), but was hoping there was another.

Thanks!

Al

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Bud Weiser
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Re: Oberheim Filter

Post by Bud Weiser »

al_bot wrote:
Thu May 21, 2020 2:04 pm
Was there an Oberheim like filter anywhere in scope, instrument or in modular?
I use the SATURN device and like it (except for the old style saving), but was hoping there was another.

Thanks!

Al
Which "Oberheim like" filter do you mean ?
There existed different vintage Oberheim synths and there are today´s Tom Oberheim products cloning the vintage hardaware as also DSI/Tom Oberheim OB-6.

vintage:
The SEM , SVF and OB-X 2-pole low-, band-, hi-pass and notch filter w/ resonance
12dB LPF of OBX-a (2x CEM 3320 per voice)
12dB/24dB CEM- of OB-8 (1x CEM 3320 per voice)
The multimode filter generated by CEM 3372 signal generator of Xpander and Matrix-12
24dB LPF inside CEM 3396 (synth- on- a- chip) of Matrix-6 /Matrix-1000

They all sound different.

:)

Bud

al_bot
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Re: Oberheim Filter

Post by al_bot »

Good point, I should have clarified. Something like the Matrix-6 or the OB-Xa. :)

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Spielraum
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Re: Oberheim Filter

Post by Spielraum »

al_bot wrote:
Thu May 21, 2020 2:04 pm
I use the SATURN
since you mention saturn, you mean the possibility of crossfading.
orbiton syn-chrome offers similar. I like that very much.
Image
http://scope.zone/index.php?id=1360&lg=de&sid=2437&d_2437=36

a transition is feasible. correct morphing less. but if the result is right.
look here
https://bcmodular-guide.000webhostapp.com/chapter/FILTER.html
and
http://www.cwmodular.org/filter.html
and
http://adern.com/adern-14/
and
http://www.modularsynth.co.uk/modulepages/all_v1_modules.shtml
and
http://scope.zone/server/public/scope/scope_plug-ins/sonic_core/sonic_core_modular/modular_4/modular_4_modules_de_en.pdf

morphing could be possible with a filter bank mutation :wink:
http://www.modularsynth.co.uk/modulepages/v3_new_modules.html

#i hope you find your happiness 8)
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Bud Weiser
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Re: Oberheim Filter

Post by Bud Weiser »

al_bot wrote:
Thu May 21, 2020 5:15 pm
Good point, I should have clarified. Something like the Matrix-6 or the OB-Xa. :)
Matrix-6 is the easiest to model.
It´s just only a 24dB LPF.
OB-Xa used 2 CEM chips,- possibly 1 for the 2-pole (12dB) and the other for the 4-pole (24dB) filter.

But I myself,- I´d prefer the classic SEM state variable filter.

In fact, I´d like to have a SEM model for SCOPE and a shell mimiking key assignment options, offering global PB, vibrato and VCF cutoff controls, so a user is able stacking SEMs inside that shell.
In addition we´d get access to originally "internal" patchpoints and were able using these w/ SCOPE Modular.

Well, I can dream ... :lol:

B.t.w.,- the old Creamware "Blue Synth" device got new love on my end.
IMO it works very well for a lot of polyphonic synth patches while saving a lot of DSP cycles.

:)

Bud

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Bud Weiser
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Re: Oberheim Filter

Post by Bud Weiser »

Spielraum wrote:
Fri May 22, 2020 2:12 am
... the possibility of crossfading.
orbiton syn-chrome offers similar. I like that very much.
How is crossfading betweem LP, BP and HP realised in Syn-Chrome ?

You just remind me on getting keys for the Orbitone devices,-

thank you !

:)

Bud

al_bot
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Re: Oberheim Filter

Post by al_bot »

Cool! Thank you for the information! I'll have to check out Orbitone and bcmodular. :D

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Spielraum
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Re: Oberheim Filter

Post by Spielraum »

al_bot wrote:
Fri May 22, 2020 11:14 am
Cool! Thank you for the information! I'll have to check out Orbitone and bcmodular. :D
thank you for your idea!
here for you and me,

Image
https://forums.scopeusers.com/viewtopic.php?p=345157#p345157

cheers
\o/
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Spielraum
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Re: Oberheim Filter

Post by Spielraum »

Bud Weiser wrote:
Fri May 22, 2020 4:21 am
How is crossfading betweem LP, BP and HP realised in Syn-Chrome ?
sorry, i meant the variable filter temperature
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al_bot
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Re: Oberheim Filter

Post by al_bot »

Hello Spielraum, cool device, thx!

Also, quick question, the bcmodular - CEM3320 LP filter, I didn't see it in the Version 0.98b install or any of the older zips. Didn't see it in github list either.

Where do I download this filter module? Thx!

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