Help/UGens/Triggers/Schmidt.html

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  24 <p class="p1"><b>Schmidt<span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>Schmidt trigger</b></p>
  25 <p class="p2"><b></b><br></p>
  26 <p class="p3"><b>Schmidt.ar(in, lo, hi)</b></p>
  27 <p class="p3"><b>Schmidt.kr(in, lo, hi)</b></p>
  28 <p class="p4"><br></p>
  29 <p class="p3">When in crosses to greater than hi, output 1.0, then when signal crosses lower than lo output 0.0. Uses the formula if(out == 1, { if(in &lt; lo, { out = 0.0 }) }, { if(in &gt; hi, { out = 1.0 }) }). Output is initially zero.</p>
  30 <p class="p4"><br></p>
  31 <p class="p3"><b>in</b> - signal to be tested</p>
  32 <p class="p3"><b>lo</b> - low threshold</p>
  33 <p class="p3"><b>hi</b> - high threshold</p>
  34 <p class="p4"><br></p>
  35 <p class="p5"><span class="s1">Server</span>.internal.boot;</p>
  36 <p class="p6"><br></p>
  37 <p class="p5">{ <span class="s1">Schmidt</span>.kr(<span class="s1">SinOsc</span>.kr(1, 0, 0.2), -0.15, 0.15)}.scope; <span class="s2">// see the trigger</span></p>
  38 <p class="p7"><br></p>
  39 <p class="p5">{ <span class="s1">Schmidt</span>.kr(<span class="s1">MouseX</span>.kr(0, 1), 0.2, 0.8)}.scope; <span class="s2">// try it with the cursor</span></p>
  40 <p class="p6"><br></p>
  41 <p class="p8">// threshold octave jumps</p>
  42 <p class="p5">(</p>
  43 <p class="p5">{<span class="Apple-converted-space"> </span></p>
  44 <p class="p5"><span class="Apple-tab-span">     </span><span class="s1">var</span> in = <span class="s1">LFNoise1</span>.kr(3);</p>
  45 <p class="p5"><span class="Apple-tab-span">     </span><span class="s1">var</span> octave = <span class="s1">Schmidt</span>.kr(in, -0.15, 0.15) + 1;</p>
  46 <p class="p5"><span class="Apple-tab-span">     </span><span class="s1">SinOsc</span>.ar(in * 200 + 500 * octave, 0, 0.1)</p>
  47 <p class="p5">}.scope;</p>
  48 <p class="p5">)</p>
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