><p>Set the sample rate (in Hz) of the captured audio.
Defaults to &lsquo;<samp>44.1k</samp>&rsquo;.
</p>
</dd>
<dt>&lsquo;<samp>list_devices</samp>&rsquo;</dt>
<dd><p>If set to &lsquo;<samp>true</samp>&rsquo;, print a list of devices and exit.
Defaults to &lsquo;<samp>false</samp>&rsquo;.
</p>
</dd>
</dl>

<a name="Examples-17"></a>
<h3 class="subsection"><a href="ffmpeg-devices.html#toc-Examples-17">3.16.2 Examples</a></h3>

<p>Print the list of OpenAL supported devices and exit:
</p><div class="example">