[sdiy] For you FM synthesis fans

[gordonjcp at gjcp.net]

On Mon, Nov 17, 2014 at 10:15:49AM -0800, Ben Lincoln wrote:
> There was a Sound Diver module for the K5000 (produced by Kawaii, IIRC)
> that would allow for most of that sort of thing. It would also do a
> Fourier transform on a WAV file and attempt to recreate it using the
> K5000's synthesis model.

Oh, that sounds fun.  Have you got any examples of this?

> My memory is pretty fuzzy about this, but when I was studying electronic
> music in the late 90s, I seem to remember learning that analogue additive
> synthesizers were always a bit obscure because not only did they have the
> "adjusting a whole bunch of individual sine waves is tedious" problem, but
> keeping them in tune was a nightmare. I imagine some sort of DCO design
> would be necessary.

Fortunately multiple harmonic sine DCOs are computationally easy!  If you can restrict yourself to powers of two, it becomes even easier.

And of course, what of the Hammond, a harmonic sine generator, gloriously analogue with all its partials locked mechanically to a single motor?

-- 
Gordonjcp MM0YEQ