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<h2>
<span class="refentrytitle">outrg</span>
</h2>
<p>outrg —
Allow output to a range of adjacent audio channels on the audio output device
</p>
</div>
<div class="refsect1">
<a id="idm281472906455688"></a>
<h2>Description</h2>
<p>
<span class="emphasis"><em>outrg</em></span> outputs audio to a range of adjacent audio channels on the audio output device.
</p>
</div>
<div class="refsect1">
<a id="idm281472906454088"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>outrg</strong></span> kstart, aout1 [,aout2, aout3, ..., aoutN]</pre>
</div>
<div class="refsect1">
<a id="idm281472906381432"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kstart</em></span> - the number of the first channel of the output device to be accessed (channel numbers starts with 1, which is the first channel)
</p>
<p>
<span class="emphasis"><em>aout1, aout2, ... aoutN</em></span> - the arguments containing the audio to be output to the corresponding output channels.
</p>
<p>
<span class="emphasis"><em>outrg</em></span> allows to output a range of adjacent channels to the output device. <span class="emphasis"><em>kstart</em></span> indicates the first channel to be accessed (channel 1 is the first channel). The user must be sure that the number obtained by summing kstart plus the number of accessed channels -1 is <= <a class="link" href="nchnls.html" title="nchnls"><em class="citetitle">nchnls</em></a>.
</p>
</div>
<div class="refsect1">
<a id="idm281472906376216"></a>
<h2>Examples</h2>
<p>
Here is an example of the outrg opcode. It uses the file <a class="ulink" href="examples/outrg.csd" target="_top"><em class="citetitle">outrg.csd</em></a>.
</p>
<div class="example">
<a id="idm281472906374360"></a>
<p class="title">
<strong>Example 652. Example of the outrg opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<div class="refsect1">
<a id="idm281472730117368"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
<span class="c1">; Select audio/midi flags here according to platform</span>
-odac <span class="c1">;;;realtime audio out</span>
<span class="c1">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="c1">; For Non-realtime ouput leave only the line below:</span>
<span class="c1">; -o outrg.wav -W ;;; for file output any platform</span>
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span>
<span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">32</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">4</span> <span class="c1">;quad</span>
<span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span>
<span class="kd">instr</span> <span class="nf">1</span>
k<span class="n">left</span> <span class="nb">init</span> <span class="mi">1</span>
a<span class="n">sig</span> <span class="nb">vco2</span> <span class="mf">.5</span><span class="p">,</span> <span class="mi">220</span> <span class="c1">;sawtooth</span>
i<span class="n">dur</span> <span class="o">=</span> <span class="nb">p3</span><span class="o">/</span><span class="p">(</span><span class="vg">nchnls</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
k<span class="n">next</span> <span class="nb">init</span> i<span class="n">dur</span>
k<span class="n">pos</span> <span class="nb">init</span> <span class="mi">0</span>
k<span class="n">rate</span> <span class="nb">init</span> <span class="mi">1</span><span class="o">/</span>i<span class="n">dur</span>
k<span class="n">base</span> <span class="nb">init</span> <span class="mi">0</span>
k<span class="n">time</span> <span class="nb">timeinsts</span>
<span class="k">if</span> k<span class="n">time</span><span class="o">>=</span>k<span class="n">next</span> <span class="k">then</span>
k<span class="n">left</span> <span class="o">=</span> k<span class="n">left</span> <span class="o">+</span> <span class="mi">1</span>
k<span class="n">next</span> <span class="o">=</span> k<span class="n">next</span> <span class="o">+</span> i<span class="n">dur</span>
k<span class="n">pos</span> <span class="o">=</span> <span class="mi">0</span>
k<span class="n">base</span> <span class="o">=</span> k<span class="n">time</span>
<span class="k">else</span>
k<span class="n">pos</span> <span class="o">=</span> <span class="p">(</span>k<span class="n">time</span><span class="o">-</span>k<span class="n">base</span><span class="p">)</span><span class="o">/</span>i<span class="n">dur</span>
<span class="k">endif</span>
<span class="nb">printks</span> <span class="s">"speaker </span><span class="si">%d</span><span class="s"> position %f</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> k<span class="n">left</span><span class="p">,</span> k<span class="n">pos</span>
a<span class="n">1</span><span class="p">,</span>a<span class="n">2</span> <span class="nb">pan2</span> a<span class="n">sig</span><span class="p">,</span> k<span class="n">pos</span>
<span class="nb">outrg</span> k<span class="n">left</span><span class="p">,</span> a<span class="n">1</span><span class="p">,</span> a<span class="n">2</span>
k<span class="n">pos</span> <span class="o">=</span> k<span class="n">base</span><span class="o">/</span>i<span class="n">dur</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">10</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
</div>
</div>
</div>
<p><br class="example-break" />
Its output should include lines like these:
</p>
<pre class="screen">
speaker 1 position 0.000200
speaker 1 position 0.000400
speaker 1 position 0.000600
.....
speaker 1 position 1.000000
speaker 2 position 0.000000
speaker 2 position 0.000200
....
speaker 2 position 0.999800
speaker 3 position 0.000000
speaker 3 position 0.000200
....
speaker 3 position 0.999600
speaker 4 position 0.000000
.....</pre>
<p>
</p>
</div>
<div class="refsect1">
<a id="idm281472906369112"></a>
<h2>Credits</h2>
<p>Author: Gabriel Maldonado</p>
<p>New in version 5.06</p>
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