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<h2>
<span class="refentrytitle">inch</span>
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<p>inch —
Reads from numbered channels in an external audio signal or stream.
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<div class="refsect1" title="Description">
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<h2>Description</h2>
<p>
Reads from numbered channels in an external audio signal or stream.
</p>
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<div class="refsect1" title="Syntax">
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<h2>Syntax</h2>
<pre class="synopsis">ain1[, ...] <span class="command"><strong>inch</strong></span> kchan1[,...]</pre>
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<div class="refsect1" title="Performance">
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<h2>Performance</h2>
<p>
<span class="emphasis"><em>ain1, ...</em></span> - input audio signals
</p>
<p>
<span class="emphasis"><em>kchan1,...</em></span> - channel numbers
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<p>
<span class="emphasis"><em>inch</em></span> reads from numbered channels
determined by the corresponding <span class="emphasis"><em>kchan</em></span> into
the associated <span class="emphasis"><em>ain</em></span>. If the command-line <a class="link" href="CommandFlags.html#FlagsMinusLowerI"><em class="citetitle">-i</em></a> flag is set, sound is read continuously from the audio input stream (e.g. <span class="emphasis"><em>stdin</em></span> or a soundfile). <span class="emphasis"><em>inch</em></span> can also be used to receive audio in realtime from the audio interface using <span class="emphasis"><em>-iadc</em></span>.
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<th align="left">Note</th>
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<p>
The highest number for <span class="emphasis"><em>kchan</em></span> available for use with <span class="emphasis"><em>inch</em></span> depends on <a class="link" href="nchnls_i.html" title="nchns_i"><em class="citetitle">nchnls_i</em></a>. If <span class="emphasis"><em>kchan</em></span> is greater than <span class="emphasis"><em>nchnls_i</em></span>, <span class="emphasis"><em>ain</em></span> will be silent. Note that <span class="emphasis"><em>inch</em></span> will give a warning but not an error in this case.
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<div class="refsect1" title="See Also">
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<h2>See Also</h2>
<p>
<a class="link" href="in32.html" title="in32"><em class="citetitle">in32</em></a>,
<a class="link" href="inx.html" title="inx"><em class="citetitle">inx</em></a>,
<a class="link" href="inz.html" title="inz"><em class="citetitle">inz</em></a>
</p>
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<div class="refsect1" title="Credits">
<a id="id2955194"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
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<td>Author: John ffitch</td>
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<td>University of Bath/Codemist Ltd.</td>
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<td>Bath, UK</td>
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<td>May 2000</td>
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<p>
</p>
<p>New in Csound Version 4.07</p>
<p>Multiple arguments from version 5.13</p>
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