Obxd synthesizer

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OB-Xd - Virtual Analog Synthesizer$99.00Buy

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OB-Xd 3.9 Hotfix

Windows users experiencing freezing issues in DISK mode - we've got you sorted. If you grabbed 3.9.0 and hit the dreaded freeze when browsing presets, this hotfix kills that nasty infinite loop dead.

What's fixed:
  • DISK mode freeze completely eliminated - no more system lockups when browsing presets
  • Smart state tracking prevents unnecessary folder repopulation
  • Bulletproof exception handling for directory operations
  • Search mode transitions now smooth as butter
This was a proper nasty one - an infinite loop in the preset browser that would lock up Windows systems when toggling between search and browse modes. We've ripped out the problematic code and rebuilt it with intelligent state management.

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

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Just dropped OB-Xd 3.10 with some serious workflow improvements. The preset search system got a overhaul and we've added some new panning options that'll make your patches come alive.

What's new:
  • Advanced Preset Search - Fixed the dodgy click handling and parameter mismatches that were breaking search mode
  • Dynamic Pan Presets - Two new modes: "Random" for completely random voice positioning and "Random OSC" for sine wave-based panning with randomized parameters
  • UI Polish - Native macOS dialogs, fixed that annoying preset bar dropdown that wouldn't update after MIDI CC bank changes
  • Performance Boost - Apple Silicon optimizations plus AVX2 vector processing for x86 systems (Intel/AMD)
Free upgrade for existing users: https://www.discodsp.com/obxd/

Available in all the usual formats - AAX, AU, VST2, VST3, and standalone for Windows, macOS, and Linux.

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3.10.1 released.
  • Fixed text selection issue in preset search dialog on macOS - text is now automatically selected when the dialog appears.
  • Resolved issue with disk mode button behavior during preset search operations.
  • Improved preset search functionality to better handle disk mode state transitions.
https://www.discodsp.com/obxd/
Last edited by george on Sat Jul 19, 2025 8:32 am, edited 2 times in total.

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Has anybody else experienced an issue with the aax version 3.10.1 causing Pro Tools to lock up when trying to load it on a Mac ?
I'm running Pro Tools version 24.10.2.205 on Mac OS Catalina 10.15.7.

Selecting the plugin just gives me a spinning beachball and I have to quit Pro Tools.

I posted this in another thread, but it was requested that the other threads be closed, so I'll ask here.
Thanks !

- Jay

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Bug Music wrote: Fri Jul 18, 2025 10:52 pm Has anybody else experienced an issue with the aax version 3.10.1 causing Pro Tools to lock up when trying to load it on a Mac ?
Kindly file a ticket at the following link: https://www.discodsp.com/support/

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3.10.2 released.
  • Enhanced search mode functionality with clickable Search Mode label.
  • Added "Reload Preset" function.
  • Fixed search mode overlay positioning and visibility management for proper UI interaction.
  • Resolved mouse cursor behavior and click handling in search mode overlay component.
  • Important stability improvements for search functionality and menu system reliability.
https://www.discodsp.com/obxd/

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OB-Xd Synthesizer 3.11 introduces enhanced MIDI CC mapping visualization, optimized performance through advanced caching systems, and comprehensive preset management improvements delivering streamlined workflow efficiency for classic analog synthesis with modern reliability and professional features.

Performance & Code Optimization
  • Cached getPopupMenuFont Font for improved performance reducing GUI rendering overhead and enhancing real-time responsiveness.
  • Replaced long if-chain with dictionary lookup in loadSkin function for code optimization delivering faster theme switching and reduced CPU usage.
  • Implemented optimized asset loading system with intelligent caching mechanisms for improved startup times and memory efficiency.
MIDI Features & Control
  • Added Menu > MIDI > Show CC Mappings feature providing comprehensive visualization of controller assignments for enhanced workflow control.
  • CC mappings will automatically refresh whenever a different MIDI mapping file is selected ensuring accurate real-time parameter control and seamless integration.
Preset Management & Workflow
  • Added Reload Preset function enabling quick preset refresh without plugin restart for efficient sound design workflows and A/B comparisons.
  • Fixed preset menu not showing in search mode - allow menu creation when search is active regardless of folder validity improving preset discovery.
  • Fixed preset name label clicks not working after search dialog - removed interfering focus restoration timers for consistent user interface behavior.
  • Enhanced preset browsing with improved search functionality and streamlined navigation for faster sound selection in live performance scenarios.
System Stability & Bug Fixes
  • Fixed OSC 2 Detune knob default value ensuring accurate parameter initialization and consistent sound reproduction across different host environments.
  • Added license folder write permissions check preventing authorization issues and ensuring smooth plugin operation across different system configurations.
  • UI Improvements with enhanced visual feedback and streamlined interface elements for better user experience and professional appearance.
  • Slight file menu item redesign with improved organization and clearer visual hierarchy for enhanced workflow efficiency.
This update is free for existing OB-Xd 3.x customers and available now in AU, VST2, VST3, and standalone formats for Windows (10+), macOS (10.14+), and Linux (Ubuntu 20+) with Universal Binary 2 and native Apple Silicon support. Visit our OB-Xd product page for download information and complete documentation.

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OB-Xd 3.11.1 is out now.
  • Fixed GUI stability issues.
https://www.discodsp.com/obxd/

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OB-Xd Legacy 2.17 resolves critical pitch wheel muting issues, enhances cross-platform compatibility, and introduces smooth modulation improvements. This release focuses on eliminating audio dropouts and providing seamless performance across all platforms.
  • Critical Audio & User Experience Fixes
    • Normalized MIDI Pitch Wheel Values - Properly converts raw MIDI pitch wheel data (0-16383) to bipolar range (-1 to +1) preventing audio muting.
    • Scaled Filter Modulation - Reduced pitch wheel filter modulation intensity by 50% to prevent extreme filter shifts that cause audio dropouts.
    • Enhanced Audio Stability - Eliminates pitch wheel-induced muting while preserving expressive pitch bend functionality.
    • Corrected Double-Click Reset - OSC1 and OSC2 pitch knobs now reset to center position (0 semitones) instead of extreme low pitch.
    • Improved User Experience - Double-click reset now provides expected behavior matching visual knob position.
    • Resolved UTF-8 Display Issues - Fixed garbled program names in popup menus on Windows systems.
    • Platform-Specific Optimization - Windows-specific string handling prevents encoding corruption.
    • Cross-Platform Compatibility - Ensures consistent program name display across all operating systems.
  • Enhanced Modulation System
    • Micro-Interpolation Technology - Eliminates stepping artifacts during mod wheel vibrato sweeps with 64-step interpolation.
    • Ultra-Smooth Transitions - ~1.5ms interpolation window at 44.1kHz provides seamless modulation changes.
    • Enhanced Expression - Professional-grade smooth modulation matching high-end hardware synthesizers.
    • Per-Sample Mod Wheel Processing - Interpolated mod wheel values processed at audio rate for maximum smoothness.
    • MTS-ESP Status Display - Real-time display of MicroTonal Software connection status in Help menu.
    • Active Scale Information - Shows current microtonal scale name when MTS-ESP master is connected.
    • Professional Tuning Support - Enhanced integration with advanced microtonal workflows.
  • System Improvements & Product Evolution
    • Improved Help Menu Layout - Added separator and MTS-ESP status for better organization.
    • Real-Time Tuning Feedback - Visual confirmation of microtonal system connection status.
    • Professional Workflow Integration - Seamless integration with advanced tuning systems.
    • Efficient Interpolation Algorithm - Lightweight micro-interpolation with minimal CPU impact.
    • Enhanced MIDI Processing - Proper pitch wheel value normalization prevents processing errors.
    • Maintained Backward Compatibility - All existing presets and sound characteristics preserved.
    • Rebranded as OB-Xd Legacy - Clear identification as the classic OB-Xd line alongside future developments.
https://github.com/reales/OB-Xd/releases

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OB-Xd 3.11.2 has been released.

License System Updates
  • Enabled license validation system for Linux platform.
  • Extended free license dialog reminder interval from 48 to 72 hours.
  • Improved license validation and logic for consistent cross-platform behavior.
File System Enhancements
  • Applied case-insensitive resolution to critical files.
https://www.discodsp.com/obxd/

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OB-Xd 3.12 has been released.
  • Licensing
    • Unified Demo/Full Experience: The codebase has been unified, eliminating separate demo and release builds on all platforms. Licensing is now handled at runtime with a new License Checker system.
    • Runtime Feature Restriction: All demo restrictions (oversampling, AAX/LV2 rendering) are now enforced via runtime license checks, allowing immediate feature unlock without a reinstall after registration.
  • User Interface & Navigation
    • Programs Menu Overhaul: The Programs menu is reorganized for better navigation, now featuring clear submenus for Bank Presets (the 128 programs), Oversampling (licensed users only), and Panning.
    • Customizable Menu Font Size (Win/Linux): A new "Appearance" menu option allows users to toggle between standard and a smaller, more compact popup font size for better consistency.
  • macOS Specific Improvements
    • Native Popup Menus: All custom-rendered popup menus (main menu, preset browsers, voices/unison/legato selectors) have been replaced with native macOS NSMenu, offering better system integration and a native look and feel.
    • Enhanced Preset Browsing: Native preset and bank browser menus now display checkmarks for the current selection and automatically scroll to center on the active item for a smoother experience.
    • Dual Clipboard Support: Clipboard operations now support both the native macOS format and a Base64 text format, enabling seamless preset sharing between OB-Xd desktop and OB-Xd iOS.
    • Improved Native Dialogs: Streamlined preset search and rename dialogs for better macOS integration.
    • Enhanced Popup Menus: Refined native menu behavior for smoother operation.
  • Fixes & Technical
    • Fixed Initialization Issues: Resolved AU plugin channel configuration problems affecting host compatibility.
    • Bank Loading Fix: Resolved a bug that caused a false "Bank Not Found" error when loading renamed FXB files (e.g., files with numeric prefixes stripped).
    • Version String Polish: The release version number in the Help menu now omits the trailing .0 for major releases (e.g., "Release 3.12" instead of "Release 3.12.0").
    • Code Modernization: Updated to latest audio framework standards for improved reliability.
    • The Linux build is now distributed via a .deb installer package.
https://www.discodsp.com/obxd/

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OB-Xd 2.19 Legacy update.

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Our classic open source Oberheim based synth is now completely free with all formats (VST2/VST3/AAX/LV2) and allows commercial use.

https://github.com/reales/OB-Xd/releases

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The day OB-xd started with that nagscreen nonsense I threw it off the hd and I don't care if it is removed now or not....

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Nice to know OB XD is kept alive.

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discoDSP wrote: Mon Dec 08, 2025 8:23 pm OB-Xd 2.19 Legacy update.

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Our classic open source Oberheim based synth is now completely free with all formats (VST2/VST3/AAX/LV2) and allows commercial use.

https://github.com/reales/OB-Xd/releases
Thank you very much

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