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0xsynth

Multi-engine synthesizer (subtractive/FM/wavetable) — CLAP/VST3 plugin + standalone. Pure C, real-time safe.

Features

  • 4 synthesis engines — Subtractive (dual osc, sub, noise, unison), FM (4-op, 8 algorithms), Wavetable (4 banks + import), Sampler
  • 7 filter types — LP, HP, BP, Notch, Ladder 24dB, Comb, Formant — dual filters with serial/parallel routing
  • Modulation matrix — 8 slots, 16 sources (3 LFOs, envelopes, mod wheel, velocity, aftertouch, macros, MPE)
  • 15 effects — Delay, Reverb, Chorus, Phaser, Flanger, Distortion, Bitcrusher, Compressor, and more
  • Recording — WAV/FLAC/MP3 with timestamped filenames
  • 70 factory presets — across bass, lead, pad, keys, FX categories
  • 7 themes — Dark, Hacker, Midnight, Amber, Vaporwave, Neon, Light
  • Real-time oscilloscope — pinned waveform display
  • Arpeggiator — 5 modes, rate sync, gate control, 1-4 octave range
  • MPE support — per-note pitch bend, pressure, slide
  • 2x/4x oversampling — reduces aliasing in oscillators
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