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<div class="refentry" title="waveset">
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<h2>
<span class="refentrytitle">waveset</span>
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<p>waveset —
A simple time stretch by repeating cycles.
</p>
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<div class="refsect1" title="Description">
<a id="idp53664440"></a>
<h2>Description</h2>
<p>
A simple time stretch by repeating cycles.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp53665096"></a>
<h2>Syntax</h2>
<pre class="synopsis">ares <span class="command"><strong>waveset</strong></span> ain, krep [, ilen]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp53690880"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ilen</em></span> (optional, default=0) -- the length (in samples) of the audio signal. If <span class="emphasis"><em>ilen</em></span> is set to 0, it defaults to half the given note length (p3).
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp53692048"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>ain</em></span> -- the input audio signal.
</p>
<p>
<span class="emphasis"><em>krep</em></span> -- the number of times the cycle is repeated.
</p>
<p>
The input is read and each complete cycle (two zero-crossings) is repeated <span class="emphasis"><em>krep</em></span> times.
</p>
<p>
There is an internal buffer as the output is clearly slower that the input. Some care is taken if the buffer is too short, but there may be strange effects.
</p>
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<div class="refsect1" title="Examples">
<a id="idp53694208"></a>
<h2>Examples</h2>
<p>
Here is an example of the waveset opcode. It uses the file <a class="ulink" href="examples/waveset.csd" target="_top"><em class="citetitle">waveset.csd</em></a>.
</p>
<div class="example">
<a id="idp53695184"></a>
<p class="title">
<strong>Example 986. Example of the waveset opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o waveset.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span> <span class="op">=</span>1
<span class="oblock">instr</span> 1
krep <span class="opc">init</span> p4
asig <span class="opc">soundin</span> "flute.aiff"
aout <span class="opc">waveset</span> asig, krep
<span class="opc">outs</span> aout, aout
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> 1 0 3 1 <span class="comment">;no repetitions</span>
<span class="stamnt">i</span> 1 + 10 3 <span class="comment">;stretching 3 times</span>
<span class="stamnt">i</span> 1 + 14 6 <span class="comment">;6 times</span>
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp53697464"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: John ffitch</td>
</tr>
<tr>
<td>February 2001</td>
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<p>
</p>
<p>New in version 4.11</p>
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