Hello,
Does anyone happen to have a PD object into which you can input the Carrier Frequency, Modulator Frequency and Index of a Frequency Modulation, and get back a spectrum analysis, e.g. 4+ of it's loudest frequencies in Hz? I'm using Heavy, a platform for converting PD patches into plugins (for Unity, C, WWise, etc.), but it doesn't have (m)any options for pitch detection (not all PD objects are compatible), so I figure something like this would be the solution... but it's not simple due to FM's ability to produce infinite sidebands...
I looked up some info, but there's an omega symbol that represents angular frequency of the carrier in radians per second and I'm not sure how to get that value: http://www.radio-electronics.com/info/rf-technology-design/fm-frequency-modulation/spectrum-bandwidth-sidebands.php
http://literature.cdn.keysight.com/litweb/pdf/5954-9130.pdf

Any ideas?

E.10.complex.FM from Pd's help browser includes an FFT analysis of a complex FM. I guess you could use that do detect the loudest frequencies of your FM patch (along with the [array] oject).