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<refentry id="lpsholdp">
<indexterm id="Indexlpsholdp"><primary>lpsholdp</primary></indexterm>
<refentryinfo><title>Signal Generators:Linear and Exponential Generators</title></refentryinfo>
<refmeta>
<refentrytitle>lpsholdp</refentrytitle>
</refmeta>
<refnamediv>
<refname>lpsholdp</refname>
<refpurpose>
Control signals based on held segments.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Generate control signal consisiting of held segments delimited
by two or more specified points. The entire envelope can be looped
at time-variant rate. Each segment coordinate can also be varied
at k-rate.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>ksig <command>lpsholdp</command> kphase, kvalue0, ktime0 [, kvalue1] [, ktime1] \
[, kvalue2] [, ktime2] [...]</synopsis>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>ksig</emphasis> - output signal
</para>
<para>
<emphasis>kphase</emphasis> -- point of the sequence read, expressed as a fraction of a cycle (0 to 1)
</para>
<para>
<emphasis>kvalue0...kvalueN</emphasis> -- Values of points
</para>
<para>
<emphasis>ktime0...ktimeN</emphasis> -- Times between points; expressed in fractions of a cycle (see below). The final time designates a ramp between the final value and the first value.
</para>
<para>
<emphasis>lpsholdp</emphasis> opcode is similar to
<link linkend="lpshold"><citetitle>lpshold</citetitle></link>; the only difference is that, instead
of frequency, a time-variant phase is required. If you use a
phasor to get the phase value, you will have a behaviour identical
to <emphasis>lpshold</emphasis>, but interesting results can be achieved
when using phases having non-linear motions, making <emphasis>lpsholdp</emphasis> more
powerful and general than <emphasis>lpshold</emphasis>.
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>Written by &namegabriel;.</para>
<para>New in Csound 5 (Previously available only on CsoundAV)</para>
</refsect1>
</refentry>
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