es frequency bands: </p>
<!-- faust-run -->
<div class="faust-run"><img src="exfaust43/exfaust43.svg" class="mx-auto d-block">
<faust-editor><!--

import("stdfaust.lib");

// IIR, comb filter
process = no.noise * hslider("noise", 0.5, 0, 1, 0.01) :
        + ~ transformation;

transformation = @(hslider("delay", 0, 0, 20, 1)) : *(hslider("gain", 0, -0.98, 0.98, 0.01));

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

<h3 id="example-9-karplus-strong-12">Example 9: Karplus Strong (1/2)</h3>
<!-- faust-ru