<tr><th>Device</th>
<td>The selector should show all available interfaces provided by the
driver above and which are capable of duplex operation.
- <p class="warning">
- When using an Intel Mac running OS X and the builtin audio
- interface, its separate input and output devices must be <a href="@@using-more-than-one-audio-device">
- merged</a> first into a single "aggregate device" before Ardour will be able
- to use it.
- </p>
</td></tr>
<tr><th>Sample Rate</th>
<td>