Help/UnaryOps/ampdb.html

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  30 <p class="p1"><span class="s1"><b>ampdb<span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>convert linear amplitude to decibels</b></p>
  31 <p class="p2"><br></p>
  32 <p class="p1"><b>a.ampdb</b></p>
  33 <p class="p1"><b>ampdb(a)</b></p>
  34 <p class="p2"><br></p>
  35 <p class="p2"><br></p>
  36 <p class="p3"><span class="s2"><a href="../Math/SimpleNumber.html">SimpleNumber</a></span></p>
  37 <p class="p4"><br></p>
  38 <p class="p5">0.1.ampdb;</p>
  39 <p class="p5">(ampdb(0.1).asString ++ <span class="s3">" decibels"</span>);</p>
  40 <p class="p6"><br></p>
  41 <p class="p6"><br></p>
  42 <p class="p3"><span class="s2"><a href="../Collections/SequenceableCollection.html">SequenceableCollection</a></span></p>
  43 <p class="p6"><br></p>
  44 <p class="p7">[0.001, 0.01, 0.1, 1, 10].ampdb;</p>
  45 <p class="p6"><br></p>
  46 <p class="p3"><span class="s2"><a href="../Core/Symbol.html">Symbol</a></span></p>
  47 <p class="p6"><br></p>
  48 <p class="p8"><span class="s4">\foo</span><span class="s5">.ampdb; </span>// returns itself. this is used in Envelopes see <a href="../Control/Env.html"><span class="s6">Env</span></a>.</p>
  49 <p class="p6"><br></p>
  50 <p class="p4"><br></p>
  51 <p class="p3"><span class="s2"><a href="../Core/Kernel/Function.html">Function</a></span></p>
  52 <p class="p4"><br></p>
  53 <p class="p7">f = ampdb({<span class="s7">|x|</span> sin(x) + 1 });</p>
  54 <p class="p7">f.value((0..1000).normalize(0, 8pi)).plot;</p>
  55 <p class="p6"><br></p>
  56 <p class="p3"><span class="s2"><a href="../UGens/UGen.html">UGen</a></span></p>
  57 <p class="p6"><br></p>
  58 <p class="p7">(</p>
  59 <p class="p7">{</p>
  60 <p class="p7"><span class="Apple-tab-span">     </span><span class="s8">var</span> a = <span class="s8">LFSaw</span>.ar(100).range(0.0001, 10);</p>
  61 <p class="p7"><span class="Apple-tab-span">     </span>[a, a.ampdb]</p>
  62 <p class="p7">}.plot(minval: -60, maxval: 10)</p>
  63 <p class="p7">)</p>
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