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A Non-Sinusoidal Periodic Signal

If the frequencies of the added sinusoids are integer multiples of the fundamental, the resulting signal will be periodic.

Figure 2: Adding sinusoids at 3, 6, 9 Hz produces a periodic signal at 3 Hz.
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Sinusoidal components, or partials that are integer multiples of a fundamental are calle harmonics.

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``Music 171: Additive Synthesis'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).
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Copyright © 2019-10-22 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>