<?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>STKBlowBotl</title>
<link rel="stylesheet" type="text/css" href="csound.css" />
<meta name="generator" content="DocBook XSL Stylesheets V1.76.1" />
<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="STKBeeThree.html" title="STKBeeThree" />
<link rel="next" href="STKBlowHole.html" title="STKBlowHole" />
</head>
<body>
<div class="navheader">
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">STKBlowBotl</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="STKBeeThree.html">Prev</a> </td>
<th width="60%" align="center">Orchestra Opcodes and Operators</th>
<td width="20%" align="right"> <a accesskey="n" href="STKBlowHole.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="refentry" title="STKBlowBotl">
<a id="STKBlowBotl"></a>
<div class="titlepage"></div>
<a id="IndexStkblowbotl" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">STKBlowBotl</span>
</h2>
<p>STKBlowBotl —
STKBlowBotl uses a helmholtz resonator (biquad filter) with a polynomial jet excitation.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp45449176"></a>
<h2>Description</h2>
<p>
This opcode implements a helmholtz resonator (biquad filter) with a polynomial jet excitation (a la Cook).
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp45449896"></a>
<h2>Syntax</h2>
<pre class="synopsis">asignal <span class="command"><strong>STKBlowBotl</strong></span> ifrequency, iamplitude, [kc1, kv1[, kc2, kv2[, kc3, kv3[, kc4, kv4]]]]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp45460528"></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" title="Performance">
<a id="idp45461824"></a>
<h2>Performance</h2>
<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). The 4 controller numbers and values that work for STKBlowBotl are:
</p>
<div class="itemizedlist">
<ul class="itemizedlist" type="disc">
<li class="listitem">
<p><span class="emphasis"><em>kc, kv</em></span> -- 4, gain of noise.</p>
</li>
<li class="listitem">
<p><span class="emphasis"><em>kc, kv</em></span> -- 11, speed of low-frequency oscillator.</p>
</li>
<li class="listitem">
<p><span class="emphasis"><em>kc, kv</em></span> -- 1, depth of low-frequency oscillator.</p>
</li>
<li class="listitem">
<p><span class="emphasis"><em>kc, kv</em></span> -- 128, volume</p>
</li>
</ul>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a id="idp45464808"></a>
<div class="note" title="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 BlowBotl 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>
</td>
</tr>
</table>
</div>
</div>
<div class="refsect1" title="Examples">
<a id="idp45497360"></a>
<h2>Examples</h2>
<p>
Here is an example of the STKBlowBotl opcode. It uses the file <a class="ulink" href="examples/STKBlowBotl.csd" target="_top"><em class="citetitle">STKBlowBotl.csd</em></a>.
</p>
<div class="example">
<a id="idp45498360"></a>
<p class="title">
<strong>Example 800. Example of the STKBlowBotl opcode.</strong>
</p>
<div class="example-contents">
<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">;;;RT audio out</span>
<span class="comment">;-iadc ;;;uncomment -iadc if RT audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o STKBlowBotl.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
ipch <span class="op">=</span> p4
knoise <span class="opc">line</span> p5, p3, p6 <span class="comment">;noise</span>
kvol <span class="opc">line</span> 100, p3, 70 <span class="comment">;volume</span>
asig <span class="opc">STKBlowBotl</span> <span class="opc">cpspch</span>(ipch), 1, 4, knoise, 11, 10, 1, 50, 128, kvol
asig <span class="op">=</span> asig <span class="op">*</span> .7 <span class="comment">;too loud</span>
<span class="opc">outs</span> asig, asig
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> 1 0 2 9.00 20 100
<span class="stamnt">i</span> 1 + 3 8.03 120 0
<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="idp45499376"></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="STKBeeThree.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="STKBlowHole.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">STKBeeThree </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> STKBlowHole</td>
</tr>
</table>
</div>
</body>
</html>
distrib
>
Mageia
>
5
>
x86_64
>
media
>
core-release
>
by-pkgid
>
b707d9a4ee443103660a75ccb6e51334
>
files
>
252
