Does the hardware do anything interesting, or does it only process midi input and provide an interface to mix between generated sounds? From their instructions

Does the hardware do anything interesting, or does it only process midi input and provide an interface to mix between generated sounds? From their instructions on creating new sounds, it looks like they're pre-computing the generated sounds: https://github.com/googlecreativelab/open-nsynth-super/tree/master/audio https://github.com/googlecreativelab/open-nsynth-super/tree/...