Help/UGens/FFT/PV_BinWipe.html

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  27 <p class="p1"><span class="s1"><b>PV_BinWipe<span class="Apple-tab-span">       </span><span class="Apple-tab-span">    </span></b></span><b>combine low and high bins from two inputs</b></p>
  28 <p class="p2"><br></p>
  29 <p class="p3"><span class="s2"><b>Inherits from: </b><a href="../../Core/Object.html"><b>Object</b></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="../PV_ChainUGen.html"><b>PV_ChainUGen</b></a></p>
  30 <p class="p2"><br></p>
  31 <p class="p2"><br></p>
  32 <p class="p1"><b>PV_BinWipe(bufferA,<span class="Apple-converted-space">  </span>bufferB, wipe)</b></p>
  33 <p class="p2"><br></p>
  34 <p class="p1">Copies low bins from one input and the high bins of the other.</p>
  35 <p class="p1"><b>bufferA</b> - fft buffer A.</p>
  36 <p class="p1"><b>bufferB</b> - fft buffer B.</p>
  37 <p class="p1"><b>wipe</b> - can range between -1 and +1.</p>
  38 <p class="p1">if wipe == 0 then the output is the same as inA.</p>
  39 <p class="p1">if<span class="Apple-converted-space">  </span>wipe &gt; 0 then it begins replacing with bins from inB from the bottom up.<span class="Apple-converted-space"> </span></p>
  40 <p class="p1">if<span class="Apple-converted-space">  </span>wipe &lt; 0 then it begins replacing with bins from inB from the top down.</p>
  41 <p class="p2"><br></p>
  42 <p class="p4"><span class="s2">See also <a href="FFT Overview.html"><span class="s3">FFT Overview</span></a>.</span></p>
  43 <p class="p2"><br></p>
  44 <p class="p5">s.boot;</p>
  45 <p class="p6"><span class="s2">d = </span><span class="s4">Buffer</span><span class="s2">.read(s,</span>"sounds/a11wlk01.wav"<span class="s2">);</span></p>
  46 <p class="p7"><br></p>
  47 <p class="p2"><br></p>
  48 <p class="p5">(</p>
  49 <p class="p6"><span class="s4">SynthDef</span><span class="s2">(</span>"help-binWipe"<span class="s2">, { </span><span class="s4">arg</span><span class="s2"> out=0;</span></p>
  50 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">var</span> inA, chainA, inB, chainB, chain;</p>
  51 <p class="p5"><span class="Apple-tab-span">     </span>inA = <span class="s4">WhiteNoise</span>.ar(0.2);</p>
  52 <p class="p5"><span class="Apple-tab-span">     </span>inB = <span class="s4">LFSaw</span>.ar(100, 0, 0.2);</p>
  53 <p class="p5"><span class="Apple-tab-span">     </span>chainA = <span class="s4">FFT</span>(<span class="s4">LocalBuf</span>(2048), inA);</p>
  54 <p class="p5"><span class="Apple-tab-span">     </span>chainB = <span class="s4">FFT</span>(<span class="s4">LocalBuf</span>(2048), inB);</p>
  55 <p class="p5"><span class="Apple-tab-span">     </span>chain = <span class="s4">PV_BinWipe</span>(chainA, chainB, <span class="s4">MouseX</span>.kr(-1, 1));<span class="Apple-converted-space"> </span></p>
  56 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">Out</span>.ar(out, 0.5 * <span class="s4">IFFT</span>(chain).dup);</p>
  57 <p class="p5">}).play(s,[<span class="s5">\out</span>, 0]);</p>
  58 <p class="p5">)</p>
  59 <p class="p7"><br></p>
  60 <p class="p5">(</p>
  61 <p class="p5"><span class="s4">SynthDef</span>(<span class="s6">"help-binWipe2"</span>, { <span class="s4">arg</span> out=0, soundBufnum=2;</p>
  62 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">var</span> inA, chainA, inB, chainB, chain;</p>
  63 <p class="p5"><span class="Apple-tab-span">     </span>inA = <span class="s4">WhiteNoise</span>.ar(0.2);</p>
  64 <p class="p5"><span class="Apple-tab-span">     </span>inB = <span class="s4">PlayBuf</span>.ar(1, soundBufnum, <span class="s4">BufRateScale</span>.kr(soundBufnum), loop: 1);</p>
  65 <p class="p5"><span class="Apple-tab-span">     </span>chainA = <span class="s4">FFT</span>(<span class="s4">LocalBuf</span>(2048), inA);</p>
  66 <p class="p5"><span class="Apple-tab-span">     </span>chainB = <span class="s4">FFT</span>(<span class="s4">LocalBuf</span>(2048), inB);</p>
  67 <p class="p5"><span class="Apple-tab-span">     </span>chain = <span class="s4">PV_BinWipe</span>(chainA, chainB, <span class="s4">MouseX</span>.kr(-1, 1));<span class="Apple-converted-space"> </span></p>
  68 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">Out</span>.ar(out, 0.5 * <span class="s4">IFFT</span>(chain).dup);</p>
  69 <p class="p5">}).play(s,[<span class="s5">\out</span>, 0, <span class="s5">\soundBufnum</span>, d]);</p>
  70 <p class="p5">)</p>
  71 <p class="p7"><br></p>
  72 <p class="p5">d.free;</p>
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