On Wed, May 8, 2024, at 1:49 AM, Lorenzo Sutton wrote:
I have a proof of concept of a simpler 'stereo delay' (without the 
musical times) made in Pd which mimics this but I'd prefer a LV2 (or 
similar) plugin.

You might be able to turn your PD patch into a plugin? Plug data is great, though it's in development and has some limitations depending on what you are targeting -- I've just played around with using it to make little firmware patches for the electrosmith daisy but I see it also has an LV2 target: https://plugdata.org/

Erik