With samplers (or other software instruments) round robin basically means sound variations. Imagine you are picking a guitar! Your single picks will never sound the same since you always pick the strings slightly different. We can simulate that “humanization” by simply randomly varying between a few sound variations which we all have to recorded of course. So each time you hit a key on your keyboard another sound variation is played. Thereby the same variation shall not be played twice one after another.
round robin function with groups
We use the function to vary between groups. In this case we got 4 sound variations so we need 4 groups whereas each group becomes a “container” for one variation. All 4 groups belong to the same instrument. Since the variations will be triggered randomly we will do a simple check so that the same sound is never played twice one after another.
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