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<refentry id="chnparams">
<indexterm id="Indexchnparams"><primary>chnparams</primary></indexterm>
<refentryinfo><title>Signal I/O:Software Bus</title></refentryinfo>
<refmeta>
<refentrytitle>chnparams</refentrytitle>
</refmeta>
<refnamediv>
<refname>chnparams</refname>
<refpurpose>
Query parameters of a channel.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Query parameters of a channel (if it does not exist, all
returned values are zero).
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>itype, imode, ictltype, idflt, imin, imax <command>chnparams</command></synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>itype</emphasis> -- channel data type (1: control, 2: audio,
3: string)
</para>
<para>
<emphasis>imode</emphasis> -- sum of 1 for input and 2 for output
</para>
<para>
<emphasis>ictltype</emphasis> -- special parameter for control
channel only; if not available, set to zero.
</para>
<para>
<emphasis>idflt</emphasis> -- special parameter for control
channel only; if not available, set to zero.
</para>
<para>
<emphasis>imin</emphasis> -- special parameter for control
channel only; if not available, set to zero.
</para>
<para>
<emphasis>imax</emphasis> -- special parameter for control
channel only; if not available, set to zero.
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
</para>
</refsect1>
<refsect1>
<title>Example</title>
<para>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>
<simplelist>
<member>Author: &nameistvan;</member>
<member>2005</member>
</simplelist>
</para>
</refsect1>
</refentry>
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