Help/UGens/Filters/LPZ2.html

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  25 <p class="p1"><span class="s1"><b>LPZ2<span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b><span class="Apple-tab-span">      </span>two zero fixed lowpass</b></p>
  26 <p class="p2"><br></p>
  27 <p class="p3"><span class="s2"><b>Inherits from: </b><a href="../../Core/Object.html"><span class="s3"><b>Object</b></span></a></span><b> : </b><a href="../../Core/Kernel/AbstractFunction.html"><b>AbstractFunction</b></a><b> : </b><a href="../UGen.html"><b>UGen</b></a><b> : </b><a href="../Filter.html"><b>Filter</b></a><b><span class="Apple-converted-space"> </span></b></p>
  28 <p class="p2"><br></p>
  29 <p class="p1"><b>LPZ2.ar(in, mul, add)</b></p>
  30 <p class="p1"><b>LPZ2.kr(in, mul, add)</b></p>
  31 <p class="p2"><br></p>
  32 <p class="p2"><br></p>
  33 <p class="p1">A special case fixed filter. Implements the formula:</p>
  34 <p class="p2"><br></p>
  35 <p class="p4">out(i) = 0.25 * (in(i) + (2*in(i-1)) + in(i-2))</p>
  36 <p class="p2"><br></p>
  37 <p class="p5">// Compare:</p>
  38 <p class="p6"><br></p>
  39 <p class="p7">{ <span class="s4">WhiteNoise</span>.ar(0.25) }.play;</p>
  40 <p class="p6"><br></p>
  41 <p class="p7">{ <span class="s4">LPZ2</span>.ar(<span class="s4">WhiteNoise</span>.ar(0.25)) }.play;</p>
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