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<HTML>
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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<div class="navpath"><a class="el" href="namespacestk.html">stk</a>::<a class="el" href="classstk_1_1Simple.html">Simple</a>
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<h1>stk::Simple Class Reference</h1><!-- doxytag: class="stk::Simple" --><!-- doxytag: inherits="stk::Instrmnt" -->
<p>STK wavetable/noise instrument.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="Simple_8h_source.html">Simple.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for stk::Simple:</div>
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<div class="center">
<img src="classstk_1_1Simple.png" usemap="#stk::Simple_map" alt=""/>
<map id="stk::Simple_map" name="stk::Simple_map">
<area href="classstk_1_1Instrmnt.html" alt="stk::Instrmnt" shape="rect" coords="0,56,76,80"/>
<area href="classstk_1_1Stk.html" alt="stk::Stk" shape="rect" coords="0,0,76,24"/>
</map>
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<p><a href="classstk_1_1Simple-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a7fae7f883b6180e7d07c9e06b62e1283">Simple</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Class constructor. <a href="#a7fae7f883b6180e7d07c9e06b62e1283"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7fc1b20b362b5902d8a47ea889144601"></a><!-- doxytag: member="stk::Simple::~Simple" ref="a7fc1b20b362b5902d8a47ea889144601" args="(void)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a7fc1b20b362b5902d8a47ea889144601">~Simple</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Class destructor. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8281297483ef2363a01590722dd739d8"></a><!-- doxytag: member="stk::Simple::clear" ref="a8281297483ef2363a01590722dd739d8" args="(void)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a8281297483ef2363a01590722dd739d8">clear</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear internal states. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa2dcec630c97fdafb2ba75e74194540d"></a><!-- doxytag: member="stk::Simple::setFrequency" ref="aa2dcec630c97fdafb2ba75e74194540d" args="(StkFloat frequency)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#aa2dcec630c97fdafb2ba75e74194540d">setFrequency</a> (StkFloat frequency)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set instrument parameters for a particular frequency. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a44650c4b65de79d4bf0b04b908c207b2"></a><!-- doxytag: member="stk::Simple::keyOn" ref="a44650c4b65de79d4bf0b04b908c207b2" args="(void)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a44650c4b65de79d4bf0b04b908c207b2">keyOn</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Start envelope toward "on" target. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4183bd057f8bf3783c8b1812f3459d32"></a><!-- doxytag: member="stk::Simple::keyOff" ref="a4183bd057f8bf3783c8b1812f3459d32" args="(void)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a4183bd057f8bf3783c8b1812f3459d32">keyOff</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Start envelope toward "off" target. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeba26edadfba0dfe0f21834bd730fdad"></a><!-- doxytag: member="stk::Simple::noteOn" ref="aeba26edadfba0dfe0f21834bd730fdad" args="(StkFloat frequency, StkFloat amplitude)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#aeba26edadfba0dfe0f21834bd730fdad">noteOn</a> (StkFloat frequency, StkFloat amplitude)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Start a note with the given frequency and amplitude. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6fbdaba299b3733b7e81ec4de5073350"></a><!-- doxytag: member="stk::Simple::noteOff" ref="a6fbdaba299b3733b7e81ec4de5073350" args="(StkFloat amplitude)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#a6fbdaba299b3733b7e81ec4de5073350">noteOff</a> (StkFloat amplitude)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Stop a note with the given amplitude (speed of decay). <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acd14d5368545f5650aeebbbdad65fc52"></a><!-- doxytag: member="stk::Simple::controlChange" ref="acd14d5368545f5650aeebbbdad65fc52" args="(int number, StkFloat value)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#acd14d5368545f5650aeebbbdad65fc52">controlChange</a> (int number, StkFloat value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Perform the control change specified by <em>number</em> and <em>value</em> (0.0 - 128.0). <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa65326847f8b693f7b5549d18df6e882"></a><!-- doxytag: member="stk::Simple::tick" ref="aa65326847f8b693f7b5549d18df6e882" args="(unsigned int channel=0)" -->
StkFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#aa65326847f8b693f7b5549d18df6e882">tick</a> (unsigned int channel=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compute and return one output sample. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Simple.html#adff17b07913c312e989f1987e4fb5cc8">tick</a> (<a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> &frames, unsigned int channel=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fill a channel of the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> object with computed outputs. <a href="#adff17b07913c312e989f1987e4fb5cc8"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>STK wavetable/noise instrument. </p>
<p>This class combines a looped wave, a noise source, a biquad resonance filter, a one-pole filter, and an <a class="el" href="classstk_1_1ADSR.html" title="STK ADSR envelope class.">ADSR</a> envelope to create some interesting sounds.</p>
<p>Control Change Numbers:</p>
<ul>
<li><a class="el" href="classstk_1_1Filter.html" title="STK abstract filter class.">Filter</a> Pole Position = 2</li>
<li>Noise/Pitched Cross-Fade = 4</li>
<li><a class="el" href="classstk_1_1Envelope.html" title="STK linear line envelope class.">Envelope</a> Rate = 11</li>
<li>Gain = 128</li>
</ul>
<p>by Perry R. Cook and Gary P. Scavone, 1995-2012. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a7fae7f883b6180e7d07c9e06b62e1283"></a><!-- doxytag: member="stk::Simple::Simple" ref="a7fae7f883b6180e7d07c9e06b62e1283" args="(void)" -->
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<td class="memname">stk::Simple::Simple </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td>
<td> ) </td>
<td></td>
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<div class="memdoc">
<p>Class constructor. </p>
<p>An <a class="el" href="classstk_1_1StkError.html" title="STK error handling class.">StkError</a> will be thrown if the rawwave path is incorrectly set. </p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="adff17b07913c312e989f1987e4fb5cc8"></a><!-- doxytag: member="stk::Simple::tick" ref="adff17b07913c312e989f1987e4fb5cc8" args="(StkFrames &frames, unsigned int channel=0)" -->
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<td class="memname"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & stk::Simple::tick </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & </td>
<td class="paramname"> <em>frames</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>channel</em> = <code>0</code></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [inline, virtual]</code></td>
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<p>Fill a channel of the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> object with computed outputs. </p>
<p>The <code>channel</code> argument must be less than the number of channels in the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> argument (the first channel is specified by 0). However, range checking is only performed if _STK_DEBUG_ is defined during compilation, in which case an out-of-range value will trigger an <a class="el" href="classstk_1_1StkError.html" title="STK error handling class.">StkError</a> exception. </p>
<p>Implements <a class="el" href="classstk_1_1Instrmnt.html#a34c6733ca145763462d9e44ae3c772b6">stk::Instrmnt</a>.</p>
<p><div class="fragment"><pre class="fragment"><a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nChannels = lastFrame_.channels();
<a name="l00103"></a>00103 <span class="preprocessor">#if defined(_STK_DEBUG_)</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( channel > frames.channels() - nChannels ) {
<a name="l00105"></a>00105 oStream_ << <span class="stringliteral">"Simple::tick(): channel and StkFrames arguments are incompatible!"</span>;
<a name="l00106"></a>00106 <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff" title="Static function for error reporting and handling using c-strings.">handleError</a>( StkError::FUNCTION_ARGUMENT );
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 <span class="preprocessor">#endif</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span>
<a name="l00110"></a>00110 StkFloat *samples = &frames[channel];
<a name="l00111"></a>00111 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, hop = frames.channels() - nChannels;
<a name="l00112"></a>00112 <span class="keywordflow">if</span> ( nChannels == 1 ) {
<a name="l00113"></a>00113 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.frames(); i++, samples += hop )
<a name="l00114"></a>00114 *samples++ = <a class="code" href="classstk_1_1Simple.html#aa65326847f8b693f7b5549d18df6e882" title="Compute and return one output sample.">tick</a>();
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="keywordflow">else</span> {
<a name="l00117"></a>00117 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.frames(); i++, samples += hop ) {
<a name="l00118"></a>00118 *samples++ = <a class="code" href="classstk_1_1Simple.html#aa65326847f8b693f7b5549d18df6e882" title="Compute and return one output sample.">tick</a>();
<a name="l00119"></a>00119 <span class="keywordflow">for</span> ( j=1; j<nChannels; j++ )
<a name="l00120"></a>00120 *samples++ = lastFrame_[j];
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">return</span> frames;
<a name="l00125"></a>00125 }
</pre></div></p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="Simple_8h_source.html">Simple.h</a></li>
</ul>
</div>
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<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
<tr><td>©1995-2012 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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