>
<dd><p>show video
</p></dd>
<dt>&lsquo;<samp>1, waves</samp>&rsquo;</dt>
<dd><p>show audio waves
</p></dd>
<dt>&lsquo;<samp>2, rdft</samp>&rsquo;</dt>
<dd><p>show audio frequency band using RDFT ((Inverse) Real Discrete Fourier Transform)
</p></dd>
</dl>

<p>Default value is &quot;video&quot;, if video is not present or cannot be played
&quot;rdft&quot; is automatically selected.
</p>
<p>You can interactively cycle through the available show modes by
pressing the key <tt class="key">w</tt>.
</p>
</dd>
<dt