by Mark » Fri Jan 11, 2019 3:24 pm
Hope you all had a good Christmas. Happy New Year btw!
I'm just in the process of collecting together some equations for use in the wavetable editor of DUNE3, but probably also adaptable to other synths with wavetable editors. These will be available to purchasers of the wavetable bundle available from the addres in my signature.
This will allow you to roll your own wavetables, to a certain extent.
In the meantime, I've just realised that typing an equation in to Google search will actually return a plot, which is good for exploring. What's more, if you separate equations with a comm you can visualize differnt equations at the same time. Paste the following in to Google search and marvel:
-sin(pi*x+0*sin(pi*x)),-sin(pi*x+1*sin(pi*x)),-sin(pi*x+2*sin(pi*x)) from -1 to 1
The individual equations, e.g., -sin(pi*x+2*sin(pi*x)) can be used directly in the DUNE3 editor.
More fun is to use the y variable to fill up a whole table rather than just one slot, i.e,:
-sin(pi*x+amp*y*sin(pi*x))
This is the formula for Yamaha 2 operator FM. Replace amp with a number of your choosing. The range for y is 0-to-1. Pasting this equation in to Google search will give you a 3D plot, which can be rotated - not all browsers can do this. You will need to set the range for y from 0-to-1 at the bottom right of the plot.