I think what you want to use is the bus recv functionality for your long running synth, keeping it separate from the bus send/control function.
There’s an example in this post: Creating effects chains or audio buses - #5 by cleary
I think what you want to use is the bus recv functionality for your long running synth, keeping it separate from the bus send/control function.
There’s an example in this post: Creating effects chains or audio buses - #5 by cleary