+<sect1 id="percent">
+<title>Percentage variables</title>
+
+<para>Every <link linkend="Slider">slider</link> is associated to a percentage variable, which corresponds to the position of the cursor (between 0 and 100%)</para>
+
+<para>Here is a list of predefined percentage variables:</para>
+
+<itemizedlist>
+ <listitem><para>
+ <emphasis>equalizer.band(n)</emphasis>: Where 'n' is an integer between 0 and 9. When the equalizer audio filter is enabled, this value corresponds to the amplification factor of the n'th frequency band: 0% means -20 dB, and 100% means +20 dB. The frequencies corresponding to the 10 bands are: 60Hz, 170Hz, 310Hz, 600Hz, 1kHz, 3kHz, 6kHz, 12kHz, 14kHz, 16kHz. (Since VLC 0.8.5)
+ </para></listitem>
+ <listitem><para>
+ <emphasis>equalizer.preamp</emphasis>: Preamplification value (if the equalizer audio filter is enabled). A value of 0% means -20 dB, and 100% means +20 dB. (Since VLC 0.8.5)
+ </para></listitem>
+ <listitem><para>
+ <emphasis>time</emphasis>: Position of the stream being played.
+ </para></listitem>
+ <listitem><para>
+ <emphasis>volume</emphasis>: Value of the volume.
+ </para></listitem>
+</itemizedlist>
+
+</sect1>
+
+