- faust-run -->
<div class="faust-run"><img src="exfaust41/exfaust41.svg" class="mx-auto d-block">
<faust-editor><!--

import("stdfaust.lib");

// FIR
process = no.noise * hslider("noise", 0.5, 0, 1, 0.01) 
        <: _, transformation :> _;

transformation = @(1) : *(hslider("gain", 0, -1, 1, 0.1));

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

<h3 id="example-7-iir">Example 7: iir</h3>
<p>Here a <a href="https://en.wikipedia.org/wiki/Infinite_impulse_response">IIR</a> filter is used: </p>
<!-- faus