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‎README.md

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Tim Barrass
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Currently your Arduino can only beep like a microwave oven. Mozzi brings
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your Arduino to life by allowing it to produce much more complex and interesting

‎extras/NEWS.txt

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NEWS
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get the latest version from https://sensorium.github.io/Mozzi/
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release v1.0.3rc1
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‎extras/VERSION.txt

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‎extras/doc/html/01_8_basics_2_vibrato_2_vibrato_8ino-example.html

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<div id="projectname">Mozzi
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&#160;<span id="projectnumber">version 2016-11-26-23:16</span>
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<div id="projectbrief">sound synthesis library for Arduino</div>
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<div class="title">01.Basics/Vibrato/Vibrato.ino</div> </div>
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<p>This is an example using <a class="el" href="class_oscil.html#a4c6de90bc2d4183a5146eb2ae5e3dd2c" title="Returns the next sample given a phase modulation value. ">Oscil::phMod</a> to produce vibrato using phase modulation.</p>
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<div class="fragment"><div class="line">/* Example playing a sinewave with vibrato,</div><div class="line"> using Mozzi sonification library.</div><div class="line"> </div><div class="line"> Demonstrates simple FM using phase modulation.</div><div class="line"> </div><div class="line"> Circuit: Audio output on digital pin 9 on a Uno or similar, or</div><div class="line"> DAC/A14 on Teensy 3.1, or </div><div class="line"> check the README or http://sensorium.github.com/Mozzi/</div><div class="line"> </div><div class="line"> Mozzi help/discussion/announcements:</div><div class="line"> https://groups.google.com/forum/#!forum/mozzi-users</div><div class="line"> </div><div class="line"> Tim Barrass 2012, CC by-nc-sa.</div><div class="line">*/</div><div class="line"></div><div class="line">//#include &lt;ADC.h&gt; // Teensy 3.1 uncomment this line and install http://github.com/pedvide/ADC</div><div class="line">#include &lt;MozziGuts.h&gt;</div><div class="line">#include &lt;Oscil.h&gt;</div><div class="line">#include &lt;tables/cos2048_int8.h&gt; // table for Oscils to play</div><div class="line">#include &lt;mozzi_midi.h&gt; // for mtof</div><div class="line">#include &lt;mozzi_fixmath.h&gt;</div><div class="line"></div><div class="line">#define CONTROL_RATE 64 // powers of 2 please</div><div class="line"></div><div class="line">Oscil&lt;COS2048_NUM_CELLS, AUDIO_RATE&gt; aCos(COS2048_DATA);</div><div class="line">Oscil&lt;COS2048_NUM_CELLS, AUDIO_RATE&gt; aVibrato(COS2048_DATA);</div><div class="line"></div><div class="line">const byte intensity = 255;</div><div class="line"></div><div class="line">void setup(){</div><div class="line"> startMozzi(CONTROL_RATE);</div><div class="line"> aCos.setFreq(mtof(84.f));</div><div class="line"> aVibrato.setFreq(15.f);</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line">void updateControl(){</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line">int updateAudio(){</div><div class="line"> Q15n16 vibrato = (Q15n16) intensity * aVibrato.next();</div><div class="line"> return aCos.phMod(vibrato); // phase modulation to modulate frequency</div><div class="line">}</div><div class="line"></div><div class="line">void loop(){</div><div class="line"> audioHook();</div><div class="line">}</div></div><!-- fragment --> </div><!-- contents -->
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<li class="footer">Generated on Sat Nov 26 2016 23:16:21 for Mozzi by
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‎extras/doc/html/02_8_control_2_control__echo__theremin_2_control__echo__theremin_8ino-example.html

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<td id="projectlogo"><img alt="Logo" src="mozzi-circle.png"/></td>
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<td id="projectalign" style="padding-left: 0.5em;">
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<div id="projectname">Mozzi
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&#160;<span id="projectnumber">version 2016-11-26-23:16</span>
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<div id="projectbrief">sound synthesis library for Arduino</div>
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<div class="title">02.Control/Control_Echo_Theremin/Control_Echo_Theremin.ino</div> </div>
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<p>This is an example of how to use the <a class="el" href="class_control_delay.html" title="Control-rate delay line for delaying control signals. ">ControlDelay</a> class.</p>
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<div class="fragment"><div class="line">/* Example of a simple light-sensing theremin-like</div><div class="line"> instrument with long echoes,</div><div class="line"> using Mozzi sonification library.</div><div class="line"> </div><div class="line"> Demonstrates ControlDelay() for echoing control values,</div><div class="line"> and smoothing an analog input from a sensor</div><div class="line"> signal with RollingAverage().</div><div class="line"> </div><div class="line"> The circuit: </div><div class="line"> </div><div class="line"> Audio output on digital pin 9 on a Uno or similar, or</div><div class="line"> DAC/A14 on Teensy 3.1, or </div><div class="line"> check the README or http://sensorium.github.com/Mozzi/</div><div class="line"> </div><div class="line"> Light dependent resistor (LDR) and 5.1k resistor on analog pin 1:</div><div class="line"> LDR from analog pin to +5V (3.3V on Teensy 3.1)</div><div class="line"> 5.1k resistor from analog pin to ground</div><div class="line"> </div><div class="line"> Mozzi help/discussion/announcements:</div><div class="line"> https://groups.google.com/forum/#!forum/mozzi-users</div><div class="line"> </div><div class="line"> Tim Barrass 2013, CC by-nc-sa.</div><div class="line">*/</div><div class="line"></div><div class="line">//#include &lt;ADC.h&gt; // Teensy 3.1 uncomment this line and install http://github.com/pedvide/ADC</div><div class="line">#include &lt;MozziGuts.h&gt;</div><div class="line">#include &lt;Oscil.h&gt; // oscillator template</div><div class="line">#include &lt;tables/sin2048_int8.h&gt; // sine table for oscillator</div><div class="line">#include &lt;RollingAverage.h&gt;</div><div class="line">#include &lt;ControlDelay.h&gt;</div><div class="line"></div><div class="line">#define INPUT_PIN 0 // analog control input</div><div class="line"></div><div class="line">unsigned int echo_cells_1 = 32;</div><div class="line">unsigned int echo_cells_2 = 60;</div><div class="line">unsigned int echo_cells_3 = 127;</div><div class="line"></div><div class="line">#define CONTROL_RATE 64</div><div class="line">ControlDelay &lt;128, int&gt; kDelay; // 2seconds</div><div class="line"></div><div class="line">// oscils to compare bumpy to averaged control input</div><div class="line">Oscil &lt;SIN2048_NUM_CELLS, AUDIO_RATE&gt; aSin0(SIN2048_DATA);</div><div class="line">Oscil &lt;SIN2048_NUM_CELLS, AUDIO_RATE&gt; aSin1(SIN2048_DATA);</div><div class="line">Oscil &lt;SIN2048_NUM_CELLS, AUDIO_RATE&gt; aSin2(SIN2048_DATA);</div><div class="line">Oscil &lt;SIN2048_NUM_CELLS, AUDIO_RATE&gt; aSin3(SIN2048_DATA);</div><div class="line"></div><div class="line">// use: RollingAverage &lt;number_type, how_many_to_average&gt; myThing</div><div class="line">RollingAverage &lt;int, 32&gt; kAverage; // how_many_to_average has to be power of 2</div><div class="line">int averaged;</div><div class="line"></div><div class="line">void setup(){</div><div class="line"> kDelay.set(echo_cells_1);</div><div class="line"> startMozzi();</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line">void updateControl(){</div><div class="line"> int bumpy_input = mozziAnalogRead(INPUT_PIN);</div><div class="line"> averaged = kAverage.next(bumpy_input);</div><div class="line"> aSin0.setFreq(averaged);</div><div class="line"> aSin1.setFreq(kDelay.next(averaged));</div><div class="line"> aSin2.setFreq(kDelay.read(echo_cells_2));</div><div class="line"> aSin3.setFreq(kDelay.read(echo_cells_3));</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line">int updateAudio(){</div><div class="line"> return 3*((int)aSin0.next()+aSin1.next()+(aSin2.next()&gt;&gt;1)</div><div class="line"> +(aSin3.next()&gt;&gt;2)) &gt;&gt;3;</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line">void loop(){</div><div class="line"> audioHook();</div><div class="line">}</div><div class="line"></div><div class="line"></div></div><!-- fragment --> </div><!-- contents -->
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