<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>STKWurley</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <link rel="stylesheet" type="text/css" href="syntax-highlighting.css" /> <meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /> <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" /> <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" /> <link rel="prev" href="STKWhistle.html" title="STKWhistle" /> <link rel="next" href="strchar.html" title="strchar" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">STKWurley</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="STKWhistle.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="strchar.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry"> <a id="STKWurley"></a> <div class="titlepage"></div> <a id="IndexStkwurley" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">STKWurley</span> </h2> <p>STKWurley — STKWurley simulates a Wurlitzer electric piano FM synthesis instrument. </p> </div> <div class="refsect1"> <a id="idm281472884017560"></a> <h2>Description</h2> <p> STKWurley simulates a Wurlitzer electric piano FM synthesis instrument. It uses two simple FM Pairs summed together, also referred to as algorithm 5 of the TX81Z.</p> </div> <div class="refsect1"> <a id="idm281472884013784"></a> <h2>Syntax</h2> <pre class="synopsis">asignal <span class="command"><strong>STKWurley</strong></span> ifrequency, iamplitude, [kmod, kv1[, kcross, kv2[, klfo, kv3[, klfodepth, kv4[, kadsr, kv5]]]]]</pre> </div> <div class="refsect1"> <a id="idm281472884011496"></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> </div> <div class="refsect1"> <a id="idm281472884008968"></a> <h2>Performance</h2> <p><span class="emphasis"><em>kmod</em></span> -- controller 2, modulator index 1. Value range of kv1 is 0-127.</p> <p><span class="emphasis"><em>kcross</em></span> -- controller 4, crossfade of outputs. Value range of kv2 is 0-127.</p> <p><span class="emphasis"><em>klfo</em></span> -- controller 11, speed of low-frequency oscillator. Value range of kv3 is 0-127.</p> <p><span class="emphasis"><em>klfodepth</em></span> -- controller1, depth of low-frequency oscillator. Value range of kv4 is 0-127.</p> <p><span class="emphasis"><em>kadsr</em></span> -- controller 128, ADSR 2 and 4 target. Value range of kv5 is 0-127.</p> </div> <div class="refsect1"> <a id="idm281472883948248"></a> <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"> <table border="0" summary="Note: Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"> <img alt="[Note]" src="images/note.png" /> </td> <th align="left">Note</th> </tr> <tr> <td align="left" valign="top"> <p> The code for this opcode is taken directly from the Wurley 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> </td> </tr> </table> </div> </div> <div class="refsect1"> <a id="idm281472883943768"></a> <h2>Examples</h2> <p> Here is an example of the STKWurley opcode. It uses the file <a class="ulink" href="examples/STKWurley.csd" target="_top"><em class="citetitle">STKWurley.csd</em></a>. </p> <div class="example"> <a id="idm281472883941912"></a> <p class="title"> <strong>Example 948. Example of the STKWurley opcode.</strong> </p> <div class="example-contents"> <div class="refsect1"> <a id="idm281472705356312"></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 STKWurley.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">frq</span> <span class="o">=</span> <span class="nb">p4</span> k<span class="n">v1</span> <span class="nb">line</span> <span class="nb">p5</span><span class="p">,</span> <span class="nb">p3</span><span class="p">,</span> <span class="nb">p6</span> <span class="c1">;(FM) Modulator Index One</span> k<span class="n">v3</span> <span class="o">=</span> <span class="nb">p7</span> a<span class="n">sig</span> <span class="nb">STKWurley</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">10</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> <span class="mi">30</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="mi">75</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="mf">.5</span> <span class="mf">7.00</span> <span class="mi">75</span> <span class="mi">0</span> <span class="mi">20</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">120</span> <span class="mi">0</span> <span class="mi">20</span> <span class="nb">i</span> <span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span> <span class="mf">6.00</span> <span class="mi">50</span> <span class="mi">120</span> <span class="mi">20</span> <span class="nb">i</span> <span class="mi">1</span> <span class="o">+</span> <span class="mi">4</span> <span class="mf">8.00</span> <span class="mi">10</span> <span class="mi">10</span> <span class="mi">127</span> <span class="nb">e</span> <span class="nt"></CsScore></span> <span class="nt"></CsoundSynthesizer></span> </pre> </div> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1"> <a id="idm281472883939992"></a> <h2>See Also</h2> <p> <a class="link" href="STKRhodey.html" title="STKRhodey"><em class="citetitle">STKRhodey</em></a>. </p> </div> <div class="refsect1"> <a id="idm281472883937912"></a> <h2>Credits</h2> <p> </p> <table border="0" summary="Simple list" class="simplelist"> <tr> <td>Author: Michael Gogins (after Perry Cook)</td> </tr> <tr> <td>Irreducible Productions</td> </tr> <tr> <td>New York, NY</td> </tr> </table> <p> </p> <p>New in Csound version 5.11</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="STKWhistle.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="OpcodesTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="strchar.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">STKWhistle </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> strchar</td> </tr> </table> </div> </body> </html>