mirror of
https://github.com/thestk/stk
synced 2026-01-20 07:51:53 +00:00
Release 4.4.3 tarball
This commit is contained in:
Gary Scavone
committed by
Stephen Sinclair
Stephen Sinclair
parent
cfdfe7736a
commit
f13d5bb3cd
@@ -9,7 +9,7 @@
|
||||
<a class="qindex" href="index.html">Home</a> <a class="qindex" href="information.html">Information</a> <a class="qindex" href="classes.html">Classes</a> <a class="qindex" href="download.html">Download</a> <a class="qindex" href="usage.html">Usage</a> <a class="qindex" href="maillist.html">Mail List</a> <a class="qindex" href="system.html">Requirements</a> <a class="qindex" href="links.html">Links</a> <a class="qindex" href="faq.html">FAQ</a> <a class="qindex" href="tutorial.html">Tutorial</a></CENTER>
|
||||
<HR>
|
||||
<!-- Generated by Doxygen 1.6.2 -->
|
||||
<div class="navpath"><a class="el" href="dir_ca1e4533604ab7cb0cdaaff730a9c38f.html">include</a>
|
||||
<div class="navpath"><a class="el" href="dir_f14fd23bc74c76f288031ad23b3f3505.html">include</a>
|
||||
</div>
|
||||
<div class="contents">
|
||||
<h1>Brass.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_BRASS_H</span>
|
||||
@@ -31,7 +31,7 @@
|
||||
<a name="l00036"></a>00036 {
|
||||
<a name="l00037"></a>00037 <span class="keyword">public</span>:
|
||||
<a name="l00039"></a>00039
|
||||
<a name="l00042"></a>00042 <a class="code" href="classstk_1_1Brass.html#a96b223221f536efdaad4e724db01f11b" title="Class constructor, taking the lowest desired playing frequency.">Brass</a>( StkFloat lowestFrequency );
|
||||
<a name="l00042"></a>00042 <a class="code" href="classstk_1_1Brass.html#a5bf59263a54250be84c027198c7d2d1d" title="Class constructor, taking the lowest desired playing frequency.">Brass</a>( StkFloat lowestFrequency = 8.0 );
|
||||
<a name="l00043"></a>00043
|
||||
<a name="l00045"></a>00045 <a class="code" href="classstk_1_1Brass.html#a474528a75bd4fb88cdb9c783d73df8f6" title="Class destructor.">~Brass</a>( );
|
||||
<a name="l00046"></a>00046
|
||||
@@ -53,49 +53,79 @@
|
||||
<a name="l00070"></a>00070
|
||||
<a name="l00072"></a>00072 StkFloat <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
|
||||
<a name="l00073"></a>00073
|
||||
<a name="l00074"></a>00074 <span class="keyword">protected</span>:
|
||||
<a name="l00075"></a>00075
|
||||
<a name="l00076"></a>00076 <a class="code" href="classstk_1_1DelayA.html" title="STK allpass interpolating delay line class.">DelayA</a> delayLine_;
|
||||
<a name="l00077"></a>00077 <a class="code" href="classstk_1_1BiQuad.html" title="STK biquad (two-pole, two-zero) filter class.">BiQuad</a> lipFilter_;
|
||||
<a name="l00078"></a>00078 <a class="code" href="classstk_1_1PoleZero.html" title="STK one-pole, one-zero filter class.">PoleZero</a> dcBlock_;
|
||||
<a name="l00079"></a>00079 <a class="code" href="classstk_1_1ADSR.html" title="STK ADSR envelope class.">ADSR</a> adsr_;
|
||||
<a name="l00080"></a>00080 <a class="code" href="classstk_1_1SineWave.html" title="STK sinusoid oscillator class.">SineWave</a> vibrato_;
|
||||
<a name="l00081"></a>00081 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> length_;
|
||||
<a name="l00082"></a>00082 StkFloat lipTarget_;
|
||||
<a name="l00083"></a>00083 StkFloat slideTarget_;
|
||||
<a name="l00084"></a>00084 StkFloat vibratoGain_;
|
||||
<a name="l00085"></a>00085 StkFloat maxPressure_;
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 };
|
||||
<a name="l00088"></a>00088
|
||||
<a name="l00089"></a><a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321">00089</a> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">Brass :: tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> )
|
||||
<a name="l00090"></a>00090 {
|
||||
<a name="l00091"></a>00091 StkFloat breathPressure = maxPressure_ * adsr_.<a class="code" href="classstk_1_1ADSR.html#af2c0869f86210a55f4f668172373c975" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00092"></a>00092 breathPressure += vibratoGain_ * vibrato_.<a class="code" href="classstk_1_1SineWave.html#a31a55627bf8064919b5e063059260eda" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00093"></a>00093
|
||||
<a name="l00094"></a>00094 StkFloat mouthPressure = 0.3 * breathPressure;
|
||||
<a name="l00095"></a>00095 StkFloat borePressure = 0.85 * delayLine_.<a class="code" href="classstk_1_1DelayA.html#a4372d0e178af1cb6ca465affddfb1566" title="Return the last computed output value.">lastOut</a>();
|
||||
<a name="l00096"></a>00096 StkFloat deltaPressure = mouthPressure - borePressure; <span class="comment">// Differential pressure.</span>
|
||||
<a name="l00097"></a>00097 deltaPressure = lipFilter_.<a class="code" href="classstk_1_1BiQuad.html#a648086962c3cddcaa09c46a002c3e635" title="Input one sample to the filter and return a reference to one output.">tick</a>( deltaPressure ); <span class="comment">// Force - > position.</span>
|
||||
<a name="l00098"></a>00098 deltaPressure *= deltaPressure; <span class="comment">// Basic position to area mapping.</span>
|
||||
<a name="l00099"></a>00099 <span class="keywordflow">if</span> ( deltaPressure > 1.0 ) deltaPressure = 1.0; <span class="comment">// Non-linear saturation.</span>
|
||||
<a name="l00100"></a>00100
|
||||
<a name="l00101"></a>00101 <span class="comment">// The following input scattering assumes the mouthPressure = area.</span>
|
||||
<a name="l00102"></a>00102 lastFrame_[0] = deltaPressure * mouthPressure + ( 1.0 - deltaPressure) * borePressure;
|
||||
<a name="l00103"></a>00103 lastFrame_[0] = delayLine_.<a class="code" href="classstk_1_1DelayA.html#ae602abe91560fb5f141db52333359b74" title="Input one sample to the filter and return one output.">tick</a>( dcBlock_.<a class="code" href="classstk_1_1PoleZero.html#a1a29ac6f3a2b75e71693c73554599228" title="Input one sample to the filter and return one output.">tick</a>( lastFrame_[0] ) );
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105 <span class="keywordflow">return</span> lastFrame_[0];
|
||||
<a name="l00106"></a>00106 }
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108 } <span class="comment">// stk namespace</span>
|
||||
<a name="l00109"></a>00109
|
||||
<a name="l00110"></a>00110 <span class="preprocessor">#endif</span>
|
||||
<a name="l00082"></a>00082 <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">tick</a>( <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
|
||||
<a name="l00083"></a>00083
|
||||
<a name="l00084"></a>00084 <span class="keyword">protected</span>:
|
||||
<a name="l00085"></a>00085
|
||||
<a name="l00086"></a>00086 <a class="code" href="classstk_1_1DelayA.html" title="STK allpass interpolating delay line class.">DelayA</a> delayLine_;
|
||||
<a name="l00087"></a>00087 <a class="code" href="classstk_1_1BiQuad.html" title="STK biquad (two-pole, two-zero) filter class.">BiQuad</a> lipFilter_;
|
||||
<a name="l00088"></a>00088 <a class="code" href="classstk_1_1PoleZero.html" title="STK one-pole, one-zero filter class.">PoleZero</a> dcBlock_;
|
||||
<a name="l00089"></a>00089 <a class="code" href="classstk_1_1ADSR.html" title="STK ADSR envelope class.">ADSR</a> adsr_;
|
||||
<a name="l00090"></a>00090 <a class="code" href="classstk_1_1SineWave.html" title="STK sinusoid oscillator class.">SineWave</a> vibrato_;
|
||||
<a name="l00091"></a>00091
|
||||
<a name="l00092"></a>00092 StkFloat lipTarget_;
|
||||
<a name="l00093"></a>00093 StkFloat slideTarget_;
|
||||
<a name="l00094"></a>00094 StkFloat vibratoGain_;
|
||||
<a name="l00095"></a>00095 StkFloat maxPressure_;
|
||||
<a name="l00096"></a>00096
|
||||
<a name="l00097"></a>00097 };
|
||||
<a name="l00098"></a>00098
|
||||
<a name="l00099"></a><a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321">00099</a> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">Brass :: tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> )
|
||||
<a name="l00100"></a>00100 {
|
||||
<a name="l00101"></a>00101 StkFloat breathPressure = maxPressure_ * adsr_.<a class="code" href="classstk_1_1ADSR.html#af2c0869f86210a55f4f668172373c975" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00102"></a>00102 breathPressure += vibratoGain_ * vibrato_.<a class="code" href="classstk_1_1SineWave.html#a31a55627bf8064919b5e063059260eda" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00103"></a>00103
|
||||
<a name="l00104"></a>00104 StkFloat mouthPressure = 0.3 * breathPressure;
|
||||
<a name="l00105"></a>00105 StkFloat borePressure = 0.85 * delayLine_.<a class="code" href="classstk_1_1DelayA.html#a4372d0e178af1cb6ca465affddfb1566" title="Return the last computed output value.">lastOut</a>();
|
||||
<a name="l00106"></a>00106 StkFloat deltaPressure = mouthPressure - borePressure; <span class="comment">// Differential pressure.</span>
|
||||
<a name="l00107"></a>00107 deltaPressure = lipFilter_.<a class="code" href="classstk_1_1BiQuad.html#a648086962c3cddcaa09c46a002c3e635" title="Input one sample to the filter and return a reference to one output.">tick</a>( deltaPressure ); <span class="comment">// Force - > position.</span>
|
||||
<a name="l00108"></a>00108 deltaPressure *= deltaPressure; <span class="comment">// Basic position to area mapping.</span>
|
||||
<a name="l00109"></a>00109 <span class="keywordflow">if</span> ( deltaPressure > 1.0 ) deltaPressure = 1.0; <span class="comment">// Non-linear saturation.</span>
|
||||
<a name="l00110"></a>00110
|
||||
<a name="l00111"></a>00111 <span class="comment">// The following input scattering assumes the mouthPressure = area.</span>
|
||||
<a name="l00112"></a>00112 lastFrame_[0] = deltaPressure * mouthPressure + ( 1.0 - deltaPressure) * borePressure;
|
||||
<a name="l00113"></a>00113 lastFrame_[0] = delayLine_.<a class="code" href="classstk_1_1DelayA.html#ae602abe91560fb5f141db52333359b74" title="Input one sample to the filter and return one output.">tick</a>( dcBlock_.<a class="code" href="classstk_1_1PoleZero.html#a1a29ac6f3a2b75e71693c73554599228" title="Input one sample to the filter and return one output.">tick</a>( lastFrame_[0] ) );
|
||||
<a name="l00114"></a>00114
|
||||
<a name="l00115"></a>00115 <span class="keywordflow">return</span> lastFrame_[0];
|
||||
<a name="l00116"></a>00116 }
|
||||
<a name="l00117"></a>00117
|
||||
<a name="l00118"></a><a class="code" href="classstk_1_1Brass.html#a10334fc5573b68f2b5c2819bdba786b8">00118</a> <span class="keyword">inline</span> <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">Brass :: tick</a>( <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel )
|
||||
<a name="l00119"></a>00119 {
|
||||
<a name="l00120"></a>00120 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nChannels = lastFrame_.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>();
|
||||
<a name="l00121"></a>00121 <span class="preprocessor">#if defined(_STK_DEBUG_)</span>
|
||||
<a name="l00122"></a>00122 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( channel > frames.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>() - nChannels ) {
|
||||
<a name="l00123"></a>00123 oStream_ << <span class="stringliteral">"Brass::tick(): channel and StkFrames arguments are incompatible!"</span>;
|
||||
<a name="l00124"></a>00124 <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="l00125"></a>00125 }
|
||||
<a name="l00126"></a>00126 <span class="preprocessor">#endif</span>
|
||||
<a name="l00127"></a>00127 <span class="preprocessor"></span>
|
||||
<a name="l00128"></a>00128 StkFloat *samples = &frames[channel];
|
||||
<a name="l00129"></a>00129 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, hop = frames.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>() - nChannels;
|
||||
<a name="l00130"></a>00130 <span class="keywordflow">if</span> ( nChannels == 1 ) {
|
||||
<a name="l00131"></a>00131 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.<a class="code" href="classstk_1_1StkFrames.html#a05b1ab6fa750a8221a7d65c30e0cdab9" title="Return the number of sample frames represented by the data.">frames</a>(); i++, samples += hop )
|
||||
<a name="l00132"></a>00132 *samples++ = <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00133"></a>00133 }
|
||||
<a name="l00134"></a>00134 <span class="keywordflow">else</span> {
|
||||
<a name="l00135"></a>00135 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.<a class="code" href="classstk_1_1StkFrames.html#a05b1ab6fa750a8221a7d65c30e0cdab9" title="Return the number of sample frames represented by the data.">frames</a>(); i++, samples += hop ) {
|
||||
<a name="l00136"></a>00136 *samples++ = <a class="code" href="classstk_1_1Brass.html#a4af1b7c4c1b374b65e04ccaa90886321" title="Compute and return one output sample.">tick</a>();
|
||||
<a name="l00137"></a>00137 <span class="keywordflow">for</span> ( j=1; j<nChannels; j++ )
|
||||
<a name="l00138"></a>00138 *samples++ = lastFrame_[j];
|
||||
<a name="l00139"></a>00139 }
|
||||
<a name="l00140"></a>00140 }
|
||||
<a name="l00141"></a>00141
|
||||
<a name="l00142"></a>00142 <span class="keywordflow">return</span> frames;
|
||||
<a name="l00143"></a>00143 }
|
||||
<a name="l00144"></a>00144
|
||||
<a name="l00145"></a>00145 } <span class="comment">// stk namespace</span>
|
||||
<a name="l00146"></a>00146
|
||||
<a name="l00147"></a>00147 <span class="preprocessor">#endif</span>
|
||||
</pre></div></div>
|
||||
<HR>
|
||||
|
||||
<table>
|
||||
<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
|
||||
<tr><td>©1995-2010 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
|
||||
<tr><td>©1995-2011 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
|
||||
</table>
|
||||
|
||||
</BODY>
|
||||
|
||||
Reference in New Issue
Block a user