ample 2: Adding two signals</h3>
<p>We saw in the previous example the primitive <code>_</code>. Faust has a large number of primitives, including all <a href="../../manual/syntax/#faust-syntax">mathematical operations</a>.</p>
<p>The <code>+</code> primitive for instance is used to add two signals. It can therefore be used to transform a stereophonic signal (on two channels) into a monophonic signal as in the following example:</p>
<!-- faust-run -->
<div class="faust-run"><img src="exfaust1/exfaust1.svg" 