I have two ideas for the articulator's envelope/graph editing.
1) The ability to add layers. Say you wanted to do a sine wave over the graph that slowly goes down, at the moment, there's no real way to do that, it's sine wave at the same amplitude forever. A layer would enable you to add a steady slope to that sine wave so that it goes down over time in amplitude.
This would also be useful for Harmor.
2) The ability to fade in and out of two different patterns.
Improved graph/envelope articulators.
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