FM Sidebands

The upper and lower sidebands produced by FM are grouped in pairs according to the harmonic number of , that is, frequencies present are given by $f_c \pm kf_m$ .

**Figure 1:** Sidebands produced by FM synthesis.
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``Music 171: Frequency Modulation'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).

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