Small values = clicks/glitches. Large values = overlapping lush pads. Pitch: Transposes the grains without changing their speed.
The Blend knob cycles through four different functions (indicated by the LEDs): Balance between original and processed signal. Spread: How much grains are panned across the stereo field. Softube Mutable Instruments Clouds v2.5.9 [WiN]
Granular synthesis is heavy. If you hear crackling, increase your buffer size in your DAW. Small values = clicks/glitches