
Stigma
The Stigma is a software instrument for Microsoft Windows (VST) and macOS (VST/AU) simulating the KORG Sigma KP-30 Performing Synthesizer from 1979. It is written in native C++ code for high performance and low CPU consumption. Main features are:
- Nineteen Presets with individual filters, envelopes, and amplifiers.
 - Two band-limited oscillators with 4 footages (32′ to 4′).
 - Synthe preset section:
- Eight presets including Noise and Ring modulator.
 - Individual lowpass and global highpass filters.
 
 - Instrument preset section:
- Eleven presets, Delayed Vibrato effect.
 
 - Effect section:
- Portamento, Quarter Tone, Keyboard Sensor (aftertouch) and more.
 
 - Tweaks (not to be found in the original Sigma):
- Up to 64 voices polyphony with Velocity.
 - Chorus/Ensemble section.
 - Preset editor.
 
 - All parameters can be controlled by MIDI CC.
 - 40 additional presets by kraftraum.
 - Double precision audio processing.
 - Plug-in supports Windows(32-bit and 64-bit) and macOS (64-bit).
 
