GrainProc provides an expressive control surface for granular manipulation of real-time audio input, well-suited for sonic sculpting and self-accompaniment of of guitar, voice, etc. Designed for quick control with fingers (and toes!).
 

 

The sliders are controlled by tapping or sliding on them.

The grain-sampling window is controlled by touching the waveform. The point where it is touched becomes the center point of sampling and by moving their finger up or down, the size of that window can be controlled.

The Freeze button allows you to stop writing into the audio track.

Swiping left or right lets you control the other track. There are 2 tracks, differentiated by the colors, that can be manipulated. This allows one to “freeze” a track while playing on the other tracks.
 

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