NEWS
March 1, 2025
OB-Xd 3.7, Discovery Pro 8.5.1, OPL 2.5 released
Discovery Pro 8.5.1 delivers powerful UI improvements and audio processing enhancements. The new Advanced Limiter brings professional-grade multi-band processing while Quick Stack editing and key modifiers streamline your workflow. The updated Alan Marcero bank adds 128 meticulously crafted presets to your sonic arsenal.
What's new in 8.5.1
- UI & Usability Enhancements
- New Quick Stack Edit Mode recall: Press Shift + Layer button to enter Quick Stack edit mode.
- Quick Stack now remains in the same layer after exit.
- Key and left-click button modifiers for Amp Limiter and Filter Distortion, enabling multi-layer control.
- Clickable KeySplit Editor label.
- Updated LCD display for various buttons and modes.
- Audio Processing & Performance Improvements
- New Advanced Limiter with multi-band processing and adaptive attack/release times.
- Enhanced harmonic warmth through soft clipping and frequency-dependent processing.
- Processor host synchronization for all program change operations.
- Major framework update for improved stability.
- Updated Alan Marcero Bank
- 128 meticulously balanced presets.
- 25 earth-moving basses, 40 versatile leads, 15 lush pads.
- 44 precision-crafted plucks and 4 classic acid-inspired sounds.
OB-Xd 3.7 focuses on reliability and MIDI functionality with comprehensive framework updates and improved preset handling. The new panning presets feature gives you 8 predefined stereo configurations, while expanded MIDI CC mappings provide enhanced control over critical parameters.
What's new in 3.7
- Framework & SDK Updates
- Major core framework update with standalone code improvements.
- Windows-specific fixes for better cross-platform compatibility.
- AAX SDK update for improved DAW compatibility.
- Plugin State and build system refactoring for better reliability.
- Core System Improvements
- Fixed state handling to resolve preset reset issues in older projects.
- Fixed MIDI mapping chain for improved output control.
- Resolved parameter overlap issues between Bend Range and Level Difference.
- Performance optimizations for image handling and memory usage.
- MIDI Updates
- New XML MIDI mappings menu implementation.
- Added default MIDI CC mappings for critical parameters.
- Fixed Korg MS2000 MIDI compatibility issues.
- UI & Usability Improvements
- New Panning presets feature with 8 predefined stereo control configurations.
- Enhanced Export Preset functionality with better naming and location defaults.
- Widened Preset Bar Bank for improved visibility.
OPL 2.5 dramatically improves sound quality with its advanced oversampling system. Choose from 1x to 16x oversampling factors with a new high-quality polyphase IIR filter that delivers superior results. The modernized configuration system and optimized interface make this our most refined OPL release yet.
What's new in 2.5
- Sound Quality Improvements
- New configurable oversampling system with support for 1x to 16x factors.
- Default oversampling now set to 16x for best sound quality.
- Enhanced audio quality with proper MIDI note compensation.
- High-quality polyphase IIR filter for superior oversampling results.
- Fixed channel configuration for improved stereo field accuracy.
- Core Engine Updates
- Major framework update for improved performance and stability.
- Modernized configuration system: migrated from 1x.txt to Config.xml.
- Each oversampling octave now correctly shifts MIDI notes for accurate pitch.
- Fixed critical oversampling initialization and processing bugs.
- Refactored audio engine for proper sample rate handling.
- User Interface & Configuration
- Optimized initial window size to 580p for better visibility.
- Export function now includes current preset filename automatically.
- New Config.xml location: Documents/discoDSP/OPL/Config.xml
- Improved UI with better color scheme in standalone mode.
- Bug Fixes & Stability
- Fixed issues with MIDI note handling during oversampling.
- Addressed potential memory issues with large buffer sizes.
- Improved stability in offline rendering mode.
- Enhanced compatibility with VST3, AU, and standalone hosts.
