Probably a silly question, but . . .

[Hollowcell]

Originally Posted by Smag

Yes Sounddiver can help you with this. You can take a patch, mangle it and then by doing "save as" you can view the 2 patches' parameters in the editor and see what's changed. The editor gives you all the values at a glance pretty much.

You can do this by ear too (well I know you can on the C series anyway).

Press store once, then press the undo button - this will let you compare the now edited patch with the previous version.

Another way is just to save it to another slot and reference the two that way.