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</div>
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<h3 id="example-2-a-sine-wave-with-volume-control">Example 2: a sine wave with volume control</h3>
<p>In this second example we used a horizontal slider <code>hslider(...)</code> to control the sound level:</p>
<!-- faust-run -->
<div class="faust-run"><img src="exfaust29/exfaust29.svg" class="mx-auto d-block">
<faust-editor><!--

import("stdfaust.lib");

process = os.osc(440) * hslider("gain", 0.1, 0, 1, 0.01);

--></faust-editor>
<br>
</div>
<!-- /faust-run -->

<p>The fir