Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

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synonymist
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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by synonymist » Wed May 06, 2020 4:40 pm

brandonlogic wrote:
Wed May 06, 2020 4:12 pm
Got an answer to this. Apparently they all do it and it’s nothing to worry about. I’m suppressed I’m the first person in the thread to point it out/notice/question this!
Super-cool. Thank you for reporting that here.

As to others noticing this, my excuse: I have tinnitus, plus these days I synthesize in headphones. So despite my powers of hearing and discernment (which are otherwise formidable), there are some sounds in some settings that are hard for me to detect.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by scragz » Thu May 07, 2020 11:38 am

synonymist wrote:
Wed May 06, 2020 4:40 pm
As to others noticing this, my excuse: I have tinnitus, plus these days I synthesize in headphones.
Tinnitus....or Odessa inductor noise? But srsly I have tinnitus too and it basically sounds like what they are describing in my ear at all times.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by synonymist » Thu May 07, 2020 1:00 pm

scragz wrote:
Thu May 07, 2020 11:38 am
synonymist wrote:
Wed May 06, 2020 4:40 pm
As to others noticing this, my excuse: I have tinnitus, plus these days I synthesize in headphones.
Tinnitus....or Odessa inductor noise? But srsly I have tinnitus too and it basically sounds like what they are describing in my ear at all times.
Heh. I had tinnitus many years before the Odessa module or Xaoc Devices existed. :) One of the worst effects of the condition is masking, wherein the afflicted person does not perceive real sounds external to them that are too similar to the "fake" sound they are hearing internally.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by synonymist » Sat May 09, 2020 1:24 pm

retracted due to the track being no longer online
Last edited by synonymist on Tue Jun 09, 2020 5:52 pm, edited 1 time in total.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by studioutopia » Sun May 10, 2020 7:13 pm

Here is another one from me. Was going for that Gábor Lázár sound...

My description on SoundCloud:
While experimenting with Odessa and Zadar, I came up with this.
Once the sound started to evolve in a certain direction, it started to become inspired by "Crisis of Representation 4", by Gábor Lázár - which still continues to blow my mind every time I hear it.
The only other modules I am using are - Frap Tools USTA for probability-driven gates; Korgasmatron II as a stereo high pass filter - to remove some of the fundamental wave; Instruō Tš-L as a modulator for the linear FM into Odessa; and an Intellijel QuadVCA.
Zadar is configured as an A-B link, with channel A driving the two QuadVCA channels on the output, and the B channel driving Odessa's Tilt. Both are set to a very warped dual wave, allowing the "pumping hold" effect, similar to Gábor's recording.

One note: You will hear a click at 4:02, this is what happens when you switch from 3 to 5 voices while recording... whoops.


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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by exper » Sun May 10, 2020 7:20 pm

Yes!!!!
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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by damase » Fri May 22, 2020 5:06 pm

studioutopia wrote:
Sun May 10, 2020 7:13 pm
Here is another one from me. Was going for that Gábor Lázár sound...
really great sounds. im pretty sold on this, seems to have a really cool palette not obtainable elsewhere

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by Shakespeare » Fri May 22, 2020 5:23 pm

I received one of these earlier this week... it is really terrific. Going to take a while to really learn what it's doing, but so far the "throw a zillion modulators at it and see" approach has been fun.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by medium Rob » Fri May 22, 2020 7:37 pm

synonymist wrote:
Sat May 09, 2020 1:24 pm
Here is my Odessa module playing a deep, rubbery, and percussive bass sound via Optomix. Session notes are at the track's webpage:

Beautiful. Saxophone sounds like an actual (dry, acoustic) saxophone, beginning around 2:44 and re-emerging at 5:25. It's uncanny!

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by studioutopia » Fri May 22, 2020 8:08 pm

Shakespeare wrote:
Fri May 22, 2020 5:23 pm
I received one of these earlier this week... it is really terrific. Going to take a while to really learn what it's doing, but so far the "throw a zillion modulators at it and see" approach has been fun.
Before you really get into Odessa - watch this:
https://youtu.be/Wx_kugSemfY
Even if you already have a full understanding of the Harmonic Series, the way Andrew explains it is really inspiring/encouraging when you start to do a deep dive into Odessa.
damase wrote:
Fri May 22, 2020 5:06 pm
studioutopia wrote:
Sun May 10, 2020 7:13 pm
Here is another one from me. Was going for that Gábor Lázár sound...
really great sounds. im pretty sold on this, seems to have a really cool palette not obtainable elsewhere
Thanks, damase!!

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by synonymist » Fri May 22, 2020 8:57 pm

medium Rob wrote:
Fri May 22, 2020 7:37 pm
synonymist wrote:
Sat May 09, 2020 1:24 pm
Here is my Odessa module playing a deep, rubbery, and percussive bass sound via Optomix. Session notes are at the track's webpage:

(retracted due to the track being no longer online)
Beautiful. Saxophone sounds like an actual (dry, acoustic) saxophone, beginning around 2:44 and re-emerging at 5:25. It's uncanny!
Thank you very much! I wasn't trying for a saxophone sound, but eventually realized that it was, as you noted, a very credible evocation of the physical instrument. It sounds like a sax miked through a tube mic preamp with a badly microphonic tube... but a sax nonetheless. :)

That sound is 100% analog. It is the mighty STEFFCORP trio, 2x 2600 VCO and 1x VCF-12, plus an Optomix v2. My admiration for those STEFFCORP modules grows each time I play them. Hopefully they will be made again someday.
Last edited by synonymist on Tue Jun 09, 2020 5:53 pm, edited 1 time in total.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by djd_oz » Sun May 24, 2020 6:46 am



THe Xaoc Odessa is the only oscillator, patch notes below,

Odessa -> QAAF (feedback through Plague Bearer) -> ZDSP -> Morphagene -> Clouds (Oliverb) -> Tascam Portastudio (half speed)

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by Shakespeare » Mon May 25, 2020 6:56 pm

Little first patch video with the Odessa... close to a "three module challenge" but cheated a little (3+ attenuation and Sloth)...


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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by fxxxxx » Mon Jun 08, 2020 2:51 am

I have a slight issue with my Odessa. The linear FM fader light has stopped working but isn’t broken itself. The light comes on for a second when powering up (before the other lights come on) and turns on briefly when powering down but doesn’t show incoming voltage during usage. The fader itself works fine. Has anyone else had this issue?

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by lisa » Mon Jun 08, 2020 2:56 am

I have an issue with that fader too but not the same; it does show the voltage when I patch it but not at all as bright as the other fader (about half). Not the end of the world and I’ve choosen to not return it but if I had the same issue as you fxxxxx I would.
You go too high too early, man. The beat sounds like the a slow mudslide and the melodies that go on and on. :zen:


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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by xaoc_tech » Mon Jun 08, 2020 7:02 am

FYI, the LinFM slider has a hyper-exponential response (unlike the other sliders) which was necessary to allow setting either very shallow and very deep modulation depth. The LED shows only the AC part of the signal because this input is AC coupled. It also has different scaling because of the slider response, and is often not as bright. This is not a defect of the module.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by fxxxxx » Mon Jun 08, 2020 7:33 am

xaoc_tech wrote:
Mon Jun 08, 2020 7:02 am
FYI, the LinFM slider has a hyper-exponential response (unlike the other sliders) which was necessary to allow setting either very shallow and very deep modulation depth. The LED shows only the AC part of the signal because this input is AC coupled. It also has different scaling because of the slider response, and is often not as bright. This is not a defect of the module.
Gotcha! Thanks for the info!

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by ablearcher » Mon Jun 08, 2020 11:34 am

I should probably get video up... But if you have an oscilloscope with xy mode and haven't looked at the Odessa through it you should treat yourself and try it.
Great weird knots.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by Shakespeare » Sun Jun 14, 2020 8:07 pm

Little patch with Odessa driven by Marbles, through LxD, all modulated by Ochd.


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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by synonymist » Sun Jun 14, 2020 8:39 pm

Shakespeare wrote:
Sun Jun 14, 2020 8:07 pm
Little patch with Odessa driven by Marbles, through LxD, all modulated by Ochd.

https://soundcloud.com/user-114833897/o ... -ochd-long
Very nice!

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by Shakespeare » Sun Jun 14, 2020 8:43 pm

Thanks!

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by versipellis » Wed Jun 17, 2020 2:35 am

How many people here are using Odessa with Hel? I'm trying to get somewhat-harmonic padlike-chords out of it, but Xaoc mentioned in an email that Odessa+Hel wasn't intended for that. I'm looking for patch inspiration ideas with Odessa :)
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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by euxine » Wed Jun 17, 2020 4:07 am

versipellis wrote:
Wed Jun 17, 2020 2:35 am
I'm looking for patch inspiration ideas with Odessa :)
Don't have Hel yet (soon), but I've found that Odessa is more of a 'blank canvas' osc then anything I've owned. It has really shone for me when I'm putting it through heavy waveshaping, distortion, fm/am, or whatever - but usually not just what's coming out dry unless pure tones are needed.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by scragz » Wed Jun 17, 2020 10:05 am

versipellis wrote:
Wed Jun 17, 2020 2:35 am
How many people here are using Odessa with Hel? I'm trying to get somewhat-harmonic padlike-chords out of it, but Xaoc mentioned in an email that Odessa+Hel wasn't intended for that. I'm looking for patch inspiration ideas with Odessa :)
What did they say Hel was intended for then? I've used it for standard chords on a pad for sure but not sure what somewhat-harmonic means here.

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Re: Xaoc Odessa, 1975 Variable Spectrum Harmonic Cluster VCO

Post by ronnieb » Wed Jun 17, 2020 10:21 am

I've often patched up Odessa w/Hel as a very standard pad-like sound but it doesn't usually stay standard for long.
Maybe they were just referring to the idea that they intended Hel to have a lot more potential than just feeding it standard chord voicings or something along those lines? :despair:

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