VECTRA

Virtual Analog (VA) Core

The VA section provides classic, mix-ready oscillator behaviour.

• Oscillators: 2× high-precision PolyBLEP oscillators
• Waveforms: Saw, Square (PWM), Sine, Triangle
• Unison Engine: Up to 7-voice unison per oscillator with Spread & Detune
• Hard Sync: Master/Slave synchronization logic
• Sub-Oscillator: Dedicated sub (Sine / Square / Triangle) with direct routing
• Noise Generator: White noise with variable Color (Lowpass / Highpass tilt)

Advanced Wave Core (AWC)

High-resolution wavetable playback with destructive and real-time transformation.

• Playback: High-fidelity cubic interpolation (Catmull–Rom) or linear modes

Isotopic Mutator (Destructive Editing)

• Spectral FM – frequency modulation applied to the wavetable data structure
• Harmonic Content Morph (HCM) – spectral shifting and notch filtering of harmonics
• Wavefolding – mathematical folding of waveform geometry
• Spectral Modal Forge – resynthesis based on physical material properties

Real-Time Warp Modes

• Bend + / −
• Sync (Windowed)
• Mirror
• Pulse Width (PWM for wavetables)
• Quantize (bit-crush effect on phase)
• FM (phase modulation)

Forge – Vector Synthesis

Procedural wavetable engine with vector morphing.

• Architecture: 4-corner vector morphing engine
• Incubator: XY pad (IncubatorPanel) for blending 4 distinct “Parent” recipes
• Z-Morph: Third dimension scanning through generated wavetable frames

Procedural Aesir Algorithms (Parents)

• Aetheric Glass – physical modelling of struck solids
• Fractal FM – recursive modulation feedback loops
• Spectral Modal – material / stiffness / damping simulation
• Chaos Tamed Feedback – logistic map equation generation
• Golden Formant Choir – Phi-ratio formant spacing
• Crystalline Formant – noise-driven vocal textures
• Granular Hybrid – particle-based generation
• Phase Scatter – stochastic phase randomization

Architecture

• Dual core: Filter 1 & Filter 2
• Routing: switchable Serial or Parallel
• Filter Balance: continuous blend between F1 and F2 outputs
• Stereo Link: options to offset cutoff / resonance per channel

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Fig. 2 – Filter architecture with dual cores, routing and drive / character controls.

Filter Models (13 Topologies)

• LP24 Ladder – classic 4-pole lowpass
• SVF Series – Lowpass, Highpass, Bandpass, Notch, Peak (12 dB/oct)
• Morphing SVF – continuous morph between Low / Band / High
• Formant – 3-band vocal resonator (A–E–I–O–U mapping)
• Advanced Vowel – 5-formant model with Static / Morph / Feedback / Screamer modes
• Comb – tuned delay line with positive / negative feedback
• Phase Filter – multi-stage all-pass (Shepard tone sweeps)
• SEM – state-variable with morphable shape (LP → Notch → HP)
• Multi-Mode Ladder – varislope (6 / 12 / 18 / 24 dB) implementation

Character & Drive

• Pre-Filter Drive: input gain into the filter core
• Character Modes: Clean (Linear), Soft (tanh saturation), Tube (asymmetric shaping), Hard (sine folding)

Generators

8× LFOs

• Shapes: Sine, Saw, Square, Triangle, S&H, Sample & Glide
• Modes: Free (Hz) or Synced (beat division)
• Bipolar / Unipolar switching

4× MSEGs (Multi-Segment Envelope Generators)

• Modes: DAHDSR (classic) or MSEG (drawn)
• MSEG Loop: loop start / end points
• Playback: Envelope (one-shot), LFO Retrig, LFO Sync
• Elastic Time Scale: per-envelope time scale knob (compression / expansion of time)

The Living Matrix

• Capacity: 32 modulation slots
• Bi-Directional Workflow:
  • Drag & Drop: drag SourceOrb to any modulatable control
  • Context Menu: right-click any knob to assign sources
• Visualization:
  • Living Cables: animated Bézier curves connecting source to destination
  • Pulse: cables glow based on signal intensity
  • Modulation Arcs: halo rings on knobs showing modulation range

Master Macros

• 8× Global Macros: renamable, mappable controls for meta-patching

Workflow

• Drag & Drop reordering: modules can be swapped in real time
• Bypass / Focus: individual module toggles

Modules

• Distortion: Tape, Tube, Diode, HardClip, BitCrush, RateReduce, Wavefold – with real-time transfer curve scope
• EQ: 4-band parametric with shelf / peak modes
• Phaser: Rate, Depth, Feedback, Center Freq, Stereo Mix
• Chorus: Rate, Depth, Feedback, Center Delay (turquoise / purple visualiser)
• Delay: Stereo / Ping-Pong, Character (Smear / Saturation), Rhythm tap-division logic, timeline visualiser
• Reverb (E.H.R): Legacy, Event Horizon, Prism, Singularity; Infinite Freeze (∞), Damping, Pre-Delay, Ducking; FFT-based Nebula cloud visualiser

Helios – Probability Arpeggiator

Per-step control for evolving melodic and rhythmic structures.

• Per-step Probability: chance of note triggering (0–100%)
• Per-step Ratchet: sub-divisions per step (glitch rolls)
• Per-step Gate & Velocity
• Per-step Pitch Offset (semitone shift)
• Humanization: timing jitter and velocity drift
• Visuals: Spectrum Mode (colors based on Circle of Fifths)

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Fig. 5 – Helios probability arpeggiator with per-step probability, ratchet and humanization.

Oculus – Global Visualization

• Mandalizer V2 (The Orrery):
  • Layer 1: Living Core (waveform shards)
  • Layer 2: Orbital System (unison moons)
  • Layer 3: Deep Field (LFO constellations)
• Phase Weaver: hex-clipped goniometer for stereo correlation

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Fig. 6 – Forge / Oculus visual representation of spectral structures.

Core Systems

• Preset Management: JSON-based system (.vtrpreset) with category tagging
• License Manager: server-side validation, offline key support, activation overlay
• Oversampling: 1×, 2×, 4× (Ultra) modes
• UI Scaling: vector-based resizing (70% to 200%)
• Safety: DSP_Utils::sanityCheck for NaN / Infinity protection