via
noyzelab
"The choice of Carrier:Modulator (C:M) frequency ratio is an interesting area of research, because it is one of the fundamental aspects of FM programming. Although I mentioned the classic book by Chowning & Bristow in the recent
Matrixsynth NYZ DRN4 DECLASSIFIED, space and time didn't allow me to mention another classic text by Barry Truax: Organizational Techniques for C:M Ratios in Frequency Modulation. If you're interested in FM programming, and you don't mind a tiny bit of maths via the Farey Sequence, I highly recommend it. If you want to dig deeper I've made some useful tables for FM synth programmers in this post. There's also a handful of youtube FM synthesis vids at the end."
You'll find the videos and the rest of the tutorial on
noyzelab here. Also be sure to check out the noyzelab newsletter sign-up on the top right when there.
An interesting side note via
noyzelab: "The TV crime show NUMB3RS featured Farey sequences in the Season 2 episode 'Bettor or Worse' (2006)."