SR/2).</p>
<h3 id="example-7-approximation-of-a-sawtooth-signal-by-additive-synthesis">Example 7: Approximation of a sawtooth signal by additive synthesis</h3>
<p>Similarly, a sawtooth signal can be approximated by additive synthesis, by adding an infinite series of harmonics (see <a href="https://en.wikipedia.org/wiki/Sawtooth_wave">https://en.wikipedia.org/wiki/Sawtooth_wave</a>):</p>
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