Elektron Musical Instruments

> subtly?  digital white noise is usually done with linear shift 
feedback registers... it's periodic.  if the taps are in the right 
places, it can sound fairly convincing,

I wouldn't want it to be, though. There are enough sources of 100% 
random noise!

>but it's not random over long periods like analog noise is.

All the better. That is probably what makes it sound quite warm to 
me. It's a more interesting sound than the vocoder's constant drone. 
It is more crackly and "small".