freshing wavetable stops sound. It also interrupts MIDI
  notes.</p>
  </dd>
  <dt>Interpolation</dt>
  <dd>
  <p>Type of LFO wavetable interpolation.</p>
  <p><img src="img/interpolation_type.png" /></p>
  </dd>
  <dt>Tempo, Multiply</dt>
  <dd>
  <p>Sets LFO frequency according to current tempo. Lower numeral
  represents the length of note. Upper numeral is the number of
  notes.</p>
  <p>Value of <code>Multiply</code> is multiplied to the frequency
  calculated from <code>Tempo</code>.</p>
  <pre><code>