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<div class="refentry">
<a id="STKSaxofony"></a>
<div class="titlepage"></div>
<a id="IndexStksaxofony" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">STKSaxofony</span>
</h2>
<p>STKSaxofony —
STKSaxofony is a faux conical bore reed instrument. </p>
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<div class="refsect1">
<a id="idm281472884464968"></a>
<h2>Description</h2>
<p>
STKSaxofony is a faux conical bore reed instrument.
This opcode uses a "hybrid" digital waveguide instrument that can generate a variety of wind-like sounds. It has also been referred to as the "blowed string" model.
The waveguide section is essentially that of a string, with one rigid and one lossy termination. The non-linear function is a reed table.
The string can be "blown" at any point between the terminations, though just as with strings, it is impossible to excite the system at either end.
If the excitation is placed at the string mid-point, the sound is that of a clarinet. At points closer to the "bridge", the sound is closer to that of a saxophone.</p>
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<div class="refsect1">
<a id="idm281472884463784"></a>
<h2>Syntax</h2>
<pre class="synopsis">asignal <span class="command"><strong>STKSaxofony</strong></span> ifrequency, iamplitude, [kstiff, kv1[, kapert, kv2[, kblow, kv3[, knoise, kv4[, klfo, kv5[, klfodepth, kv6[, kbreath, kv7]]]]]]]</pre>
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<div class="refsect1">
<a id="idm281472884461464"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ifrequency</em></span> -- Frequency of note played, in Hertz.
</p>
<p>
<span class="emphasis"><em>iamplitude</em></span> -- Amplitude of note played (range 0-1).
</p>
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<div class="refsect1">
<a id="idm281472884394824"></a>
<h2>Performance</h2>
<p><span class="emphasis"><em>kstiff</em></span> -- controller 2, stiffness of reed. Value range of kv1 is 0-127.</p>
<p><span class="emphasis"><em>kapert</em></span> -- controller 26, reed aperture. Value range of kv2 is 0-127.</p>
<p><span class="emphasis"><em>kblow</em></span> -- controller 11, blow position. Value range of kv3 is 0-127.</p>
<p><span class="emphasis"><em>knoise</em></span> -- controller 4, noise gain. Value range of kv4 is 0-127.</p>
<p><span class="emphasis"><em>klfo</em></span> -- controller 29, speed of low-frequency oscillator. Value range of kv5 is 0-127.</p>
<p><span class="emphasis"><em>klfodepth</em></span> -- controller 1, depth of low-frequency oscillator. Value range of kv6 is 0-127.</p>
<p><span class="emphasis"><em>kbreath</em></span> -- controller 128, breath pressure. Value range of kv7 is 0-127.</p>
</div>
<div class="refsect1">
<a id="idm281472884388856"></a>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<table border="0" summary="Note: Note">
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<td rowspan="2" align="center" valign="top" width="25">
<img alt="[Note]" src="images/note.png" />
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<th align="left">Note</th>
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<td align="left" valign="top">
<p>
The code for this opcode is taken directly from the Saxofony class in the Synthesis Toolkit in C++ by Perry R. Cook and Gary P. Scavone. More on the STK classes can be found here:
<a class="ulink" href="https://ccrma.stanford.edu/software/stk/classes.html" target="_top"><em class="citetitle">https://ccrma.stanford.edu/software/stk/classes.html</em></a>
</p>
<p>
<span class="emphasis"><em>kc1, kv1, kc2, kv2, kc3, kv3, kc4, kv4, kc5, kv5, kc6, kv6, kc7, kv7, kc8, kv8</em></span> -- Up to 8 optional k-rate controller pairs for the STK opcodes.
Each controller pair consists of a controller number (kc) followed by a controller value (kv). Both the controller numbers and the controller values are krate variables. However, during a performance, normally the controller numbers stay fixed while the corresponding controller values may change at any time.
The order of the controller pair is arbitrary, as long as they are after <span class="emphasis"><em>iamplitude</em></span>. Also, it is not needed that all controller pairs are used.
</p>
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<div class="refsect1">
<a id="idm281472884384376"></a>
<h2>Examples</h2>
<p>
Here is an example of the STKSaxofony opcode. It uses the file <a class="ulink" href="examples/STKSaxofony.csd" target="_top"><em class="citetitle">STKSaxofony.csd</em></a>.
</p>
<div class="example">
<a id="idm281472884382504"></a>
<p class="title">
<strong>Example 940. Example of the STKSaxofony opcode.</strong>
</p>
<div class="example-contents">
<div class="refsect1">
<a id="idm281472705899800"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
<span class="c1">; Select audio/midi flags here according to platform</span>
-odac <span class="c1">;;;realtime audio out</span>
<span class="c1">;-iadc ;;;uncomment -iadc if RT audio input is needed too</span>
<span class="c1">; For Non-realtime ouput leave only the line below:</span>
<span class="c1">; -o STKSaxofony.wav -W ;;; for file output any platform</span>
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span>
<span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">32</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span>
<span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span>
<span class="kd">instr</span> <span class="nf">1</span>
i<span class="n">freq</span> <span class="o">=</span> <span class="nb">p4</span>
k<span class="n">v1</span> <span class="o">=</span> <span class="nb">p5</span> <span class="c1">;reed stiffness</span>
k<span class="n">v3</span> <span class="nb">line</span> <span class="nb">p6</span><span class="p">,</span> <span class="nb">p3</span><span class="p">,</span> <span class="nb">p7</span> <span class="c1">;blow position</span>
k<span class="n">v6</span> <span class="nb">line</span> <span class="mi">0</span><span class="p">,</span> <span class="nb">p3</span><span class="p">,</span> <span class="mi">127</span> <span class="c1">;depth of low-frequency oscillator</span>
a<span class="n">sig</span> <span class="nb">STKSaxofony</span> <span class="nb">cpspch</span><span class="p">(</span><span class="nb">p4</span><span class="p">),</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> k<span class="n">v1</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">100</span><span class="p">,</span> <span class="mi">26</span><span class="p">,</span> <span class="mi">70</span><span class="p">,</span> <span class="mi">11</span><span class="p">,</span> k<span class="n">v3</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> k<span class="n">v6</span><span class="p">,</span> <span class="mi">29</span><span class="p">,</span> <span class="mi">100</span>
a<span class="n">sig</span> <span class="o">=</span> a<span class="n">sig</span> <span class="o">*</span> <span class="mf">.5</span> <span class="c1">;too loud</span>
<span class="nb">outs</span> a<span class="n">sig</span><span class="p">,</span> a<span class="n">sig</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">3</span> <span class="mf">6.00</span> <span class="mi">30</span> <span class="mi">100</span> <span class="mi">10</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="o">+</span> <span class="o">.</span> <span class="mf">8.00</span> <span class="mi">30</span> <span class="mi">100</span> <span class="mi">100</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="o">+</span> <span class="o">.</span> <span class="mf">7.00</span> <span class="mi">90</span> <span class="mi">127</span> <span class="mi">30</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
</p>
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<div class="refsect1">
<a id="idm281472884380584"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Michael Gogins (after Georg Essl)</td>
</tr>
<tr>
<td>Irreducible Productions</td>
</tr>
<tr>
<td>New York, NY</td>
</tr>
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<p>
</p>
<p>New in Csound version 5.11</p>
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