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<refentry id="repluck">
<indexterm id="IndexRepluck"><primary>repluck</primary></indexterm>
<refentryinfo><title>Signal Generators:Waveguide Physical Modeling</title></refentryinfo>
<refmeta>
<refentrytitle>repluck</refentrytitle>
</refmeta>
<refnamediv>
<refname>repluck</refname>
<refpurpose>
Physical model of the plucked string.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
<emphasis>repluck</emphasis> is an implementation of the physical model of the plucked string. A user can control the pluck point, the pickup point, the filter, and an additional audio signal, <emphasis>axcite</emphasis>. <emphasis>axcite</emphasis> is used to excite the 'string'. Based on the Karplus-Strong algorithm.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>ares <command>repluck</command> iplk, kamp, icps, kpick, krefl, axcite</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>iplk</emphasis> -- The point of pluck is <emphasis>iplk</emphasis>, which is a fraction of the way up the string (0 to 1). A pluck point of zero means no initial pluck.
</para>
<para>
<emphasis>icps</emphasis> -- The string plays at <emphasis>icps</emphasis> pitch.
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>kamp</emphasis> -- Amplitude of note.
</para>
<para>
<emphasis>kpick</emphasis> -- Proportion of the way along the string to sample the output.
</para>
<para>
<emphasis>krefl</emphasis> -- the coefficient of reflection, indicating the lossiness and the rate of decay. It must be strictly between 0 and 1 (it will complain about both 0 and 1).
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>axcite</emphasis> -- A signal which excites the string.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Here is an example of the repluck opcode. It uses the file <ulink url="examples/repluck.csd"><citetitle>repluck.csd</citetitle></ulink>.
<example>
<title>Example of the repluck opcode.</title>
<para>See the sections <link linkend="UsingRealTime"><citetitle>Real-time Audio</citetitle></link> and <link linkend="CommandFlags"><citetitle>Command Line Flags</citetitle></link> for more information on using command line flags.</para>
<xi:include href="examples-xml/repluck.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</example>
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="wgpluck2"><citetitle>wgpluck2</citetitle></link>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>
<simplelist>
<member>Author: &namejohn;</member>
<member>University of Bath/Codemist Ltd.</member>
<member>Bath, UK</member>
<member>1997</member>
</simplelist>
</para>
<para>New in version 3.47</para>
</refsect1>
</refentry>
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