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<programlisting>
<emphasis role="csdtag">&lt;CsoundSynthesizer&gt;</emphasis>
<emphasis role="csdtag">&lt;CsOptions&gt;</emphasis>
<emphasis role="comment">; Select audio/midi flags here according to platform</emphasis>
-odac   <emphasis role="comment">;;;realtime audio out</emphasis>
<emphasis role="comment">;-iadc    ;;;uncomment -iadc if realtime audio input is needed too</emphasis>
<emphasis role="comment">; For Non-realtime ouput leave only the line below:</emphasis>
<emphasis role="comment">; -o minaccum.wav -W ;;; for file output any platform</emphasis>
<emphasis role="csdtag">&lt;/CsOptions&gt;</emphasis>
<emphasis role="csdtag">&lt;CsInstruments&gt;</emphasis>

<emphasis role="ohdr">sr</emphasis> <emphasis role="op">=</emphasis> 44100
<emphasis role="ohdr">ksmps</emphasis> <emphasis role="op">=</emphasis> 32
<emphasis role="ohdr">nchnls</emphasis> <emphasis role="op">=</emphasis> 2
<emphasis role="ohdr">0dbfs</emphasis>  <emphasis role="op">=</emphasis> 1

<emphasis role="oblock">instr</emphasis> 1	<emphasis role="comment">;saw</emphasis>

asig  <emphasis role="opc">vco2</emphasis> .2, p4		
      <emphasis role="opc">outs</emphasis>  asig, asig				
gasaw <emphasis role="op">=</emphasis> asig
<emphasis role="oblock">endin</emphasis>

<emphasis role="oblock">instr</emphasis> 2	<emphasis role="comment">;sine</emphasis>

aout  <emphasis role="opc">poscil</emphasis> .3, p4, 1		
      <emphasis role="opc">outs</emphasis>  aout, aout				
gasin <emphasis role="op">=</emphasis> aout
<emphasis role="oblock">endin</emphasis>

<emphasis role="oblock">instr</emphasis> 10

accum <emphasis role="opc">init</emphasis> 0	
      <emphasis role="opc">minaccum</emphasis> accum, gasaw <emphasis role="op">+</emphasis> gasin		<emphasis role="comment">;saw and sine accumulated		</emphasis>
      <emphasis role="opc">outs</emphasis>  accum, accum
     		
<emphasis role="opc">clear</emphasis> accum
<emphasis role="oblock">endin</emphasis>

<emphasis role="csdtag">&lt;/CsInstruments&gt;</emphasis>
<emphasis role="csdtag">&lt;CsScore&gt;</emphasis>
<emphasis role="stamnt">f</emphasis> 1 0 4096 10 1	

<emphasis role="stamnt">i</emphasis> 1 0 7 330
<emphasis role="stamnt">i</emphasis> 2 3 3 440

<emphasis role="stamnt">i</emphasis> 1 10 7 330	<emphasis role="comment">;same notes but without minaccum, for comparison</emphasis>
<emphasis role="stamnt">i</emphasis> 2 13 3 440

<emphasis role="stamnt">i</emphasis> 10 0 6	<emphasis role="comment">;accumulation note stops after 6 seconds</emphasis>

<emphasis role="stamnt">e</emphasis>

<emphasis role="csdtag">&lt;/CsScore&gt;</emphasis>
<emphasis role="csdtag">&lt;/CsoundSynthesizer&gt;</emphasis>
</programlisting>