Help/UGens/Noise/LFNoise2.html

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  23 <p class="p1"><span class="s1"><b>LFNoise2<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>quadratic noise</b></p>
  24 <p class="p2"><br></p>
  25 <p class="p1"><b>LFNoise2.ar(freq, mul, add)</b></p>
  26 <p class="p1"><b>LFNoise2.kr(freq, mul, add)</b></p>
  27 <p class="p2"><br></p>
  28 <p class="p1">Generates quadratically interpolated random values at a rate.</p>
  29 <p class="p1"><b>freq</b> - approximate rate at which to generate random values.</p>
  30 <p class="p2"><br></p>
  31 <p class="p3"><span class="s2">see also: <a href="LFDNoise3.html">LFDNoise3</a>, <a href="LFNoise0.html">LFNoise0</a>, <a href="LFNoise1.html">LFNoise1</a></span></p>
  32 <p class="p2"><br></p>
  33 <p class="p1">Note: quadratic interpolation means that the noise values can occasionally extend beyond the normal range of +-1, if the <b>freq</b> varies in certain ways. If this is undesirable then you might like to <a href="../../BinaryOps/clip2.html">clip2</a> the values, or use a linearly-interpolating unit instead.</p>
  34 <p class="p2"><br></p>
  35 <p class="p4">{ <span class="s3">LFNoise2</span>.ar(1000, 0.25) }.play;</p>
  36 <p class="p5"><br></p>
  37 <p class="p6">// modulate frequency</p>
  38 <p class="p5"><br></p>
  39 <p class="p4">{ <span class="s3">LFNoise2</span>.ar(<span class="s3">XLine</span>.kr(1000, 10000, 10), 0.25) }.play;</p>
  40 <p class="p5"><br></p>
  41 <p class="p6">// as frequency modulator</p>
  42 <p class="p4">(</p>
  43 <p class="p4">{ <span class="s3">SinOsc</span>.ar(</p>
  44 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s3">LFNoise2</span>.ar(4, 400, 450),</p>
  45 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0, 0.2</p>
  46 <p class="p4"><span class="Apple-tab-span">     </span>)<span class="Apple-converted-space"> </span></p>
  47 <p class="p4">}.play;</p>
  48 <p class="p4">)</p>
  49 <p class="p5"><br></p>
  50 <p class="p6">// freq is the rate of interpolation points</p>
  51 <p class="p4">{ <span class="s3">var</span> freq = 1000; [<span class="s3">LFNoise2</span>.ar(freq), <span class="s3">Impulse</span>.ar(freq)] }.plot</p>
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