KVR Audio

george · Post by **george** » Sun Dec 07, 2025 10:31 am

OB-Xd 3.14 introduces polyphonic unison mode - a major enhancement allowing multiple notes to be played simultaneously with stacked voices per note, unlocking more evolving chords and complex textures.

What's New:

Polyphonic Unison: Previously, unison forced monophonic behavior (one note at a time). Now you can play chords with unison engaged - stack 2-4 voices per note across 4-8 note chords for massive pads and lush leads.
Flexible Voice Architecture: Polyphony Voices controls simultaneous notes you can play, while Unison Voices controls how many voices stack per note. Classic mono unison still available by setting polyphony to 1.
Practical Examples:
- 8 voices, multiply 2 = 4 notes with 2 stacked voices each (thick chords).
- 16 voices, multiply 4 = 4 notes with 4 stacked voices (super-wide pads).
- 32 voices, multiply 2 = 16 notes with 2 voices each (complex sequences).
UI Improvements: New polyphony preset menu with musically meaningful values (1, 2, 4, 6, 8, 12, 16, 24, 32). First-time unison button click dialog explains the new poly unison behavior.
Efficient Performance: OB-Xd 3's vectorized engine (AVX2 for Intel/AMD and NEON for Apple Silicon) makes polyphonic unison practical even with extreme settings.

OB-Xd is a classic synthesizer inspired by the Oberheim OB-X, featuring enhancements like micro random detuning, polyphonic unison, and comprehensive modulation capabilities.

Available for Windows 10+ (AAX, VST2, VST3, Standalone), macOS 10.14+ (Universal Binary 2 with native Apple Silicon & Intel support, AAX, AU, VST2, VST3, Standalone), Linux Ubuntu 20+ (VST2, VST3, LV2, Standalone), and iOS via the Apple App Store.

The free version is fully functional with Standalone, AU, VST2, and VST3 formats (oversampling excluded, non-commercial use only), while the registered version adds oversampling (2x/4x), commercial rights, AAX and LV2 formats, plus dedicated technical support.

More information: www.discodsp.com/obxd

Rico30000 · Post by **Rico30000** » Sun Dec 07, 2025 10:16 pm

I'm trying to update my paid version in the members area but it doesn't work : You are not authorized to download this file!!!
Thanks for repairing this issue.
Update Dec 08, it works now ! Thank you.

george · Post by **george** » Sat Dec 20, 2025 12:05 pm

OB-Xd 3.14.1 delivers user interface refinements and performance optimizations for smoother workflow.

What's New:

Preset Bar Enhancement: Added subtle top border line to preset bar for improved visual hierarchy and interface clarity.
Knob Performance Optimization: Optimized knob rendering performance for smoother parameter adjustments and reduced CPU overhead during real-time control changes.
Slider Popup Optimization: Optimized slider popup bubble component performance for responsive parameter feedback without UI lag.
macOS Appearance Menu: Refactored macOS Appearance menu and added configurable Small Popup option for better customization and native platform integration.

www.discodsp.com/obxd

george · Post by **george** » Sat Dec 20, 2025 12:07 pm

OB-Xd 3.14.2 is a stability-focused release addressing critical MIDI system issues affecting DAW compatibility.

What's New:

MIDI CC LSB 32 Bank Change Fix: Resolved crashes in DAWs when receiving MIDI program change or bank select messages, ensuring stable operation during automated program changes.
Bank Select Improvements: Fixed bounds checking for MIDI bank changes to properly clamp to available banks instead of wrapping around, preventing out-of-range bank access.

www.discodsp.com/obxd

e-musician · Post by **e-musician** » Sat Dec 20, 2025 10:56 pm

[deleted]

e-musician · Post by **e-musician** » Tue Dec 23, 2025 1:05 pm

1)
Is it no longer possible in OB-Xd 3 to create custom skins?

2)

discoDSP wrote: Sat Dec 20, 2025 12:05 pm What's New:

Preset Bar Enhancement: Added subtle top border line to preset bar for improved visual hierarchy and interface clarity.
...

Not a good idea. Does not look good, was much better before.

george · Post by **george** » Thu Jan 01, 2026 11:32 am

OB-Xd 3.15 introduces Analog Mode - a feature that adds per-voice component tolerances to simulate the natural imperfections of vintage analog hardware, bringing authentic warmth and character to filter behavior.

What's New:

Analog Mode: Simulates analog hardware component variance, creating subtle differences between voices just like real analog circuits. Creates warmer, thicker, and more chorused sounds when multiple voices play together. Filter sweeps have more variation and "wobble," eliminating digital perfection for a more organic, vintage sound. Analog Mode is stored per-bank via the Programs menu, allowing different presets to use different analog characteristics.
Filter & DSP Improvements: Fixed filter cutoff frequency scaling when changing oversampling settings, ensuring consistent filter behavior across all oversampling modes.
Preset Management Fixes: Resolved critical issue where parameter values would reset to defaults when reloading the same program, ensuring preset values remain stable across multiple loads. Fixed disk mode preset loading and folder selection with native macOS popups for better integration and reliability.

OB-Xd is a classic synthesizer inspired by the Oberheim OB-X, featuring enhancements like micro random detuning, polyphonic unison, analog mode, and comprehensive modulation capabilities.

Available for Windows 10+ (AAX, VST2, VST3, Standalone), macOS 10.14+ (Universal Binary 2 with native Apple Silicon & Intel support, AAX, AU, VST2, VST3, Standalone), Linux Ubuntu 20+ (VST2, VST3, LV2, Standalone), and iOS via the Apple App Store.

The free version is fully functional with Standalone, AU, VST2, and VST3 formats (oversampling excluded, non-commercial use only), while the registered version adds oversampling (2x/4x), commercial rights, AAX and LV2 formats, plus dedicated technical support.

More information: www.discodsp.com/obxd

george · Post by **george** » Tue Jan 27, 2026 1:13 pm

OB-Xd 3 captures the legendary Oberheim OB-X sound and takes it further. Stack up to 16 voices per note for massive pads and screaming leads, play complex chords without voice stealing, and enjoy exceptional CPU efficiency. From warm vintage bass to modern supersaw textures, OB-Xd delivers the full-bodied analog character that made the OB-X legendary—now with the power and flexibility modern production demands.

Bug Fixes

Fixed Programs > Oversampling Lock Persistence: Resolved critical issue where lock oversampling settings were not persisting across sessions.

https://www.discodsp.com/obxd/

Echoes in the Attic · Post by **Echoes in the Attic** » Tue Jan 27, 2026 1:29 pm

Isn't there already a thread for this synth? Does it need a new thread for every bug fix? That would be a bit much if every dev did the same.

digitalboytn · Post by **digitalboytn** » Tue Jan 27, 2026 2:54 pm

Echoes in the Attic wrote: Tue Jan 27, 2026 1:29 pm Isn't there already a thread for this synth? Does it need a new thread for every bug fix? That would be a bit much if every dev did the same.

Come on there EITA...

This is such an exciting release that it needs it's own page...

I mean....just look at these important new changes

v3.16 Bug Fixes

"Fixed Programs > Oversampling Lock Persistence: Resolved critical issue where lock oversampling settings were not persisting across sessions."

That is front page news right there don't you think ?

Maybe not

But this has become the MO of this company for some time now because it gives them a few minutes of free advertising before the post gets slammed by disgruntled customers who are warning other swimmers that there is a shark in the water...

It's always good to look after our fellow man...

It brings a little humanity back into our lives and God knows we all need it

.

4_the masses · Post by **4_the masses** » Wed Jan 28, 2026 7:45 pm

Didn't this used to be free at one point ?

Nug Wrangler · Post by **Nug Wrangler** » Wed Jan 28, 2026 7:54 pm

4_the masses wrote: Wed Jan 28, 2026 7:45 pm Didn't this used to be free at one point ?

There are two versions. A paid and a free version

4_the masses · Post by **4_the masses** » Wed Jan 28, 2026 8:06 pm

OK thanks

Nug Wrangler · Post by **Nug Wrangler** » Thu Jan 29, 2026 7:27 pm

It is very good indeed

george · Post by **george** » Sun Feb 08, 2026 11:29 am

OB-Xd 3 captures the legendary Oberheim OB-X sound and takes it further. Stack up to 16 voices per note for massive pads and screaming leads, play complex chords without voice stealing, and enjoy exceptional CPU efficiency. From warm vintage bass to modern supersaw textures, OB-Xd delivers the full-bodied analog character that made the OB-X legendary—now with the power and flexibility modern production demands.

Bug Fixes

Fixed Disk Mode Preset Persistence: Resolved issue where modified preset parameters were resetting to defaults when closing and reopening the GUI window in disk mode.

User Interface Improvements

Filter Cutoff Tooltip: Added filter cutoff frequency tooltip with accurate DSP mapping.
ADSR Tooltips: Improved ADSR tooltip format to musical/pro style with proper unit spacing.
Volume Tooltip: Added Volume tooltip with dB display and improved precision for all dB values.

https://www.discodsp.com/obxd/

discoDSP OB-Xd 3.17 released