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<h2>
<span class="refentrytitle">upsamp</span>
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<p>upsamp —
Modify a signal by up-sampling.
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<div class="refsect1" title="Description">
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<h2>Description</h2>
<p>
Modify a signal by up-sampling.
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<div class="refsect1" title="Syntax">
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<h2>Syntax</h2>
<pre class="synopsis">ares <span class="command"><strong>upsamp</strong></span> ksig</pre>
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<h2>Performance</h2>
<p>
<span class="emphasis"><em>upsamp</em></span> converts a control signal to an audio signal. It does it by simple repetition of the kval. <span class="emphasis"><em>upsamp</em></span> is a slightly more efficient form of the assignment, <span class="emphasis"><em>asig</em></span> = <span class="emphasis"><em>ksig</em></span>.
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<h2>Examples</h2>
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<pre class="programlisting">
asrc <span class="opc">buzz</span> 10000, 440, 20, 1 <span class="comment">; band-limited pulse train</span>
adif <span class="opc">diff</span> asrc <span class="comment">; emphasize the highs</span>
anew <span class="opc">balance</span> adif, asrc <span class="comment">; but retain the power</span>
agate <span class="opc">reson</span> asrc, 0, 440 <span class="comment">; use a lowpass of the original</span>
asamp <span class="opc">samphold</span> anew, agate <span class="comment">; to gate the new audiosig</span>
aout <span class="opc">tone</span> asamp, 100 <span class="comment">; smooth out the rough edges</span></pre>
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<h2>See Also</h2>
<p>
<a class="link" href="diff.html" title="diff"><em class="citetitle">diff</em></a>,
<a class="link" href="downsamp.html" title="downsamp"><em class="citetitle">downsamp</em></a>,
<a class="link" href="integ.html" title="integ"><em class="citetitle">integ</em></a>,
<a class="link" href="interp.html" title="interp"><em class="citetitle">interp</em></a>,
<a class="link" href="samphold.html" title="samphold"><em class="citetitle">samphold</em></a>
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