ass="lineno">   53</span><span class="comment"> * low shelf analog filter (s-plane). Then, using a transformation such</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> * as the ones from Constantinides, the poles and zeros of the analog filter</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * are calculated in the z-plane.</span></div>
<div class="line"><a id="l00056