based on the ladder tree in zyn and the moog-filter tree in mrz here are patches, that implement a non-iterative algorithm and add parameters for shaping the nonlineraity
par1 changes the nonlinear behaviour of each stage.
par3 is for the saturator in the feedback path
patches for zyn and mrz
base mrz: 096058c08f8c373c6c57bc76e8a30161d049a58d
base zyn: aa4138f648751ed4f15989e57b3983f44d72a407
Last edit: friedolino 2019-12-16
friedolino, are you OK if we close this? It's outdated, FWIR.