Help/UGens/Analysis/Amplitude.html

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  25 <p class="p1"><span class="s1"><b>Amplitude<span class="Apple-tab-span">        </span><span class="Apple-tab-span">    </span></b></span><b>amplitude follower</b></p>
  26 <p class="p2"><br></p>
  27 <p class="p3"><b>Amplitude.kr(in, attackTime, releaseTime, mul, add)</b></p>
  28 <p class="p2"><br></p>
  29 <p class="p2"><br></p>
  30 <p class="p3">Tracks the peak amplitude of a signal.</p>
  31 <p class="p3"><b>in</b> - input signal.</p>
  32 <p class="p3"><b>attackTime</b> - 60dB convergence time for following attacks.</p>
  33 <p class="p3"><b>releaseTime</b> - 60dB convergence time for following decays.</p>
  34 <p class="p2"><br></p>
  35 <p class="p4"><br></p>
  36 <p class="p4"><br></p>
  37 <p class="p5">(</p>
  38 <p class="p6">// use input amplitude to control SinOsc frequency</p>
  39 <p class="p5">{</p>
  40 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span></span>SinOsc<span class="s2">.ar(</span></p>
  41 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span>Amplitude<span class="s2">.kr(</span></p>
  42 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">Blip</span>.ar(3, 20) * <span class="s3">LFNoise1</span>.kr(0.1).range(0, 1),</p>
  43 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">MouseX</span>.kr(0.001, 1, 1),</p>
  44 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">MouseY</span>.kr(0.001, 1, 1),</p>
  45 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>1200,</p>
  46 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>400</p>
  47 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>),</p>
  48 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0, 0.3)</p>
  49 <p class="p5">}.play;</p>
  50 <p class="p5">)</p>
  51 <p class="p4"><br></p>
  52 <p class="p4"><br></p>
  53 <p class="p6">// use input amplitude to control Pulse amplitude - use headphones to prevent feedback.</p>
  54 <p class="p5">{ <span class="s3">Pulse</span>.ar(90, 0.3, <span class="s3">Amplitude</span>.kr(<span class="s3">SoundIn</span>.ar(0))) }.play;</p>
  55 <p class="p4"><br></p>
  56 <p class="p4"><br></p>
  57 <p class="p5">(</p>
  58 <p class="p6">// use input amplitude to control SinOsc frequency - use headphones to prevent feedback.</p>
  59 <p class="p5">{</p>
  60 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span></span>SinOsc<span class="s2">.ar(</span></p>
  61 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span>Amplitude<span class="s2">.kr(</span></p>
  62 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">SoundIn</span>.ar(0),</p>
  63 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0.01,</p>
  64 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0.01,</p>
  65 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>1200,</p>
  66 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>400</p>
  67 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>),</p>
  68 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0, 0.3)</p>
  69 <p class="p5">}.play;</p>
  70 <p class="p5">)</p>
  71 <p class="p8"><br></p>
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