f current
  value.
  <ul>
  <li><strong>Note</strong>: For decibel (<code>dB</code>) parameters,
  floor is applied after the value is converted to amplitude.</li>
  </ul></li>
  </ul>
  <p>Control with many blue vertical bars (BarBox) have some keyboard
  shortcuts. Shortcuts are enabled after left clicking BarBox and mouse
  cursor is on the inside of BarBox.</p>
  <table>
  <colgroup>
  <col style="width: 62%" />
  <col style="width: 37%" />
  </colgroup>
  <thead>
  <tr class="header">
  <th>Input</th>
