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<span class="refentrytitle">kr</span>
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<p>kr —
Sets the control rate.
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<div class="refsect1" title="Description">
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<h2>Description</h2>
<p>
These statements are global value <a class="link" href="assign.html" title="="><em class="citetitle">assignments</em></a>, made at the beginning of an orchestra, before any instrument block is defined. Their function is to set certain <a class="link" href="OrchKvar.html#VariableTypes" title="Table 3. Types of Variables"><em class="citetitle">reserved symbol variables</em></a> that are required for performance. Once set, these reserved symbols can be used in expressions anywhere in the orchestra.
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<div class="refsect1" title="Syntax">
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<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>kr</strong></span> = iarg</pre>
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<div class="refsect1" title="Initialization">
<a id="idp28088448"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>kr</em></span> = (optional) -- set control rate to <span class="emphasis"><em>iarg</em></span> samples per second. The default value is 1000.
</p>
<p>
In addition, any <a class="link" href="OrchKvar.html#GlobalVariables"><em class="citetitle">global variable</em></a> can be initialized by an <span class="emphasis"><em>init-time assignment</em></span> anywhere before the first <a class="link" href="instr.html" title="instr"><em class="citetitle">instr statement</em></a>. All of the above assignments are run as instrument 0 (i-pass only) at the start of real performance.
</p>
<p>
Beginning with Csound version 3.46, <span class="emphasis"><em>kr</em></span> can be omitted. Csound will use the default values, or calculate <span class="emphasis"><em>kr</em></span> from defined <a class="link" href="ksmps.html" title="ksmps"><em class="citetitle">ksmps</em></a> and <a class="link" href="sr.html" title="sr"><em class="citetitle">sr</em></a>. It is usually better to just specify <a class="link" href="ksmps.html" title="ksmps"><em class="citetitle">ksmps</em></a> and <a class="link" href="sr.html" title="sr"><em class="citetitle">sr</em></a> and let csound calculate <span class="emphasis"><em>kr</em></span>.
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<div class="refsect1" title="Examples">
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<h2>Examples</h2>
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<pre class="programlisting">
<span class="ohdr">sr</span> <span class="op">=</span> 10000
<span class="ohdr">kr</span> <span class="op">=</span> 500
<span class="ohdr">ksmps</span> <span class="op">=</span> 20
gi1 <span class="op">=</span> <span class="ohdr">sr</span><span class="op">/</span>2.
ga <span class="opc">init</span> 0
itranspose <span class="op">=</span> <span class="opc">octpch</span>(.0l)</pre>
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<div class="refsect1" title="See Also">
<a id="idp28152192"></a>
<h2>See Also</h2>
<p>
<a class="link" href="ksmps.html" title="ksmps"><em class="citetitle">ksmps</em></a>,
<a class="link" href="nchnls.html" title="nchnls"><em class="citetitle">nchnls</em></a>,
<a class="link" href="nchnls_i.html" title="nchnls_i"><em class="citetitle">nchnls_i</em></a>,
<a class="link" href="sr.html" title="sr"><em class="citetitle">sr</em></a>
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