of Audio Unit effects.
Requires OS X 10.6 or higher.
How to customize the parameter display colors.
The effect runs through a pre-filter to the ring modulator to a post-filter and then into a sub-octave generator. You can use the pre-filter to reduce the number of harmonics in the input signal and use the post-filter to shape the resulting tone. The ring modulator oscillator in SubRingFM is an FM oscillator. So, the resulting output can be made to contain a very complex set of frequencies. This can then be shaped using the post-filter to get a really wide range of sounds. Then the sub-octave generator is applied. The result is pretty amazing.