nly uses the multiple of
  <code>Alignment</code>. For example, if current <code>Amount</code> is
  12.345 and <code>Alignment</code> is 6, actual modulation amount
  becomes 12.</p>
  <p>When <code>Alignment</code> is 0, the value of <code>Amount</code>
  is used directly without alignment.</p>
  <p>Following is procedure of LFO to pitch modulation.</p>
  <pre><code>if (alignment == 0)
  modulation = amount * lfo;
else
  modulation = alignment * floor(lfo * amount / alignment + 0.5);</code></pre>
  </dd>
 