OB-Xf by Surge Synth Team

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OB-Xf

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uOpt wrote: Sat Dec 13, 2025 9:43 pm
soniccraft wrote: Sat Dec 13, 2025 5:38 pm
EvilDragon wrote: Sat Dec 13, 2025 9:17 am Yup that's exactly what happened.

If an alleged rewrite produces identical sounding results it is not sonically superior in any way, it is producing identical sounding results. It doesn't matter if the code is 10 years old if it sounds identical. LOL.

Also we have polyphonic unison, too.
Fascinating. You've responded to precisely none of the technical points.

Let me simplify what you claimed:

1. "discoDSP didn't recode v3 from scratch." That's false. They paid the original developer for a multi-month rewrite. New architecture. You were wrong.

2. "Spectrum analysis proves the oscillators are identical". That's technically illiterate. BLEP oscillators produce clean output regardless of implementation. Your test proves nothing about the underlying code.

3. "It sounds identical": It doesn't. BLEP+BLAMP+64x internal oversampling with kernel interpolation achieves higher sound quality.

4. "We have polyphonic unison too": So does OB-Xd v3. Difference is, theirs runs on SIMD processing up to 8 voices in parallel.

You've now shifted from "they didn't rewrite it" to "it doesn't matter if they did." You made false public claims. You got called out. And now you're deflecting with "LOL sounds the same."

It's disgraceful. Disco DSP has maintained OB-Xd for a decade, kept v2 free for the community, invested in a proper v3 rewrite, and this is what they get? False accusations from someone who forked their work, hasn't seen their code, and doesn't understand the analysis methods he's citing?

Truly inspirational stuff. Keep up the good work, mate.
Why are you so hostile?

Am I missing a backstory here?
That's just how George sounds. I prefer it to is "pleasant" AI voice. :)
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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digitalboytn wrote: Sat Dec 13, 2025 9:30 pm
soniccraft wrote: Sat Dec 13, 2025 5:38 pm
1. "discoDSP didn't recode v3 from scratch." That's false. They paid the original developer for a multi-month rewrite. New architecture. You were wrong.
I wonder why George didn't code it himself ? :lol:
Wink! Wink! Nudge! Nudge! :hihi: 'cause he codes as well as I do! :D Arguru, on the other hand.....could code VERY WELL! :D
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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baconpaul wrote: Sat Dec 13, 2025 9:52 pm Can we just let it die? Evil said some things which were wrong and some which were right and some which were between. That user got pretty upset etc. The thread went all bad-kvr shaped.

The facts are all in the code. And the choice of kinda oberheimy synths is enormous. And im just trying to write some code for fun people that make music with. I know thats the motivation of the other folks on the team too including evil. So let’s get back to jumping over Tom Sawyer in the subdivisions yeah?
Sounds good! I appreciate all that the Surge Synth Team does! :)
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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audiojunkie wrote: Tue Dec 23, 2025 8:11 pm
baconpaul wrote: Sat Dec 13, 2025 9:52 pm Can we just let it die? Evil said some things which were wrong and some which were right and some which were between. That user got pretty upset etc. The thread went all bad-kvr shaped.

The facts are all in the code. And the choice of kinda oberheimy synths is enormous. And im just trying to write some code for fun people that make music with. I know thats the motivation of the other folks on the team too including evil. So let’s get back to jumping over Tom Sawyer in the subdivisions yeah?
Sounds good! I appreciate all that the Surge Synth Team does! :)
You did the opposite of let it die.....

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^_^;

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rasmusklump wrote: Tue Dec 23, 2025 8:39 pm
audiojunkie wrote: Tue Dec 23, 2025 8:11 pm
baconpaul wrote: Sat Dec 13, 2025 9:52 pm Can we just let it die? Evil said some things which were wrong and some which were right and some which were between. That user got pretty upset etc. The thread went all bad-kvr shaped.

The facts are all in the code. And the choice of kinda oberheimy synths is enormous. And im just trying to write some code for fun people that make music with. I know thats the motivation of the other folks on the team too including evil. So let’s get back to jumping over Tom Sawyer in the subdivisions yeah?
Sounds good! I appreciate all that the Surge Synth Team does! :)
You did the opposite of let it die.....
No. I hadn't gotten to the above post yet. Once I did, I posted this:

"Sounds good! I appreciate all that the Surge Synth Team does! :)"




And said no more until you responded to me.
Vendor‑Dependent Copy Protection: Customers lose. Pirates win.:mad:
(Also: I'm Accused of lying about Linux—it boots, runs my pro audio workflow, stays stable, updates--though yearly dismissed as “niche”. Yet I'm the deluded one.)
:roll:

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Would've helped if you didn't quote the person at all, at least. Anyways, let's really let it die now. :)

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Hi all,

I'm excited to see this team picking up and running with OB-Xf. I own the DiscoDPS version and love it. I was an OB-8 owner back years ago, so this synth resonates with me. It's a key element in my template for certain pad and rhythmic noise patches.

I just installed OB-Xf and had a play with the standalone. Great work - I could immediately see the improvements and am excited to dig in further! Any idea if there will be an AAX version? I'm a Pro Tools user and would be happy to help with beta testing if needed.

Cheers,

Michael Damon
Michael Damon
Composer/Sound Designer
Virtual Productions

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AAX is unfortunately not compatible with free and open source codebase since it requires closed source iLok to sign the binaries, and AAX SDK license is not compatible with GPL3 licensed software like Surge XT or OB-Xf.

However you can use a plugin wrapper like Unify, Kush Element, Blue Cat Patchwork etc, to act as a VST3 plugin loader...

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Thanks for the quick reply. That’s unfortunate but certainly understandable. Yes, a wrapper would work. I could also host it in VE Pro along with my orchestral libraries.
Michael Damon
Composer/Sound Designer
Virtual Productions

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Yup, VEPro can be considered yet another wrapper, basically :)

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EvilDragon wrote: Fri Dec 12, 2025 10:35 pm In theory we can likely do some patch conversion post-1.0, it would require some research and a decent amount of testing. However the main difference is in unison implementation, so those patches wouldn't translate accurately.
Hi,

That would be great… and for differences in sounding, it would be possible to make manually some adjustements after import… or leave it

Thank you for this great work

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Thank you for this, I love the sound of it and I appreciate the time, work and effort gone into creating this. Respect. :clap:
Tracktion Waveform 13

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Does this synth have oversampling? If not, will it be implemented in the future?
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HQ button enables 2x oversampling.

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