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<refentry id="upsamp">
<indexterm id="IndexUpsamp"><primary>upsamp</primary></indexterm>
<refentryinfo><title>Signal Modifiers:Sample Level Operators</title></refentryinfo>
<refmeta>
<refentrytitle>upsamp</refentrytitle>
</refmeta>
<refnamediv>
<refname>upsamp</refname>
<refpurpose>
Modify a signal by up-sampling.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Modify a signal by up-sampling.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>ares <command>upsamp</command> ksig</synopsis>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>upsamp</emphasis> converts a control signal to an audio signal. It does it by simple repetition of the kval. <emphasis>upsamp</emphasis> is a slightly more efficient form of the assignment, <emphasis>asig</emphasis> = <emphasis>ksig</emphasis>.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Here is an example of the upsamp opcode. It uses the file <ulink url="examples/upsamp.csd"><citetitle>upsamp.csd</citetitle></ulink>.
<example>
<title>Example of the upsamp opcode.</title>
<xi:include href="examples-xml/upsamp.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</example>
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="diff"><citetitle>diff</citetitle></link>,
<link linkend="downsamp"><citetitle>downsamp</citetitle></link>,
<link linkend="integ"><citetitle>integ</citetitle></link>,
<link linkend="interp"><citetitle>interp</citetitle></link>,
<link linkend="samphold"><citetitle>samphold</citetitle></link>
</para>
</refsect1>
</refentry>
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