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<section id="handling-channels-2-py-the-out-method-and-the-physical-outputs">
<h1>09-handling-channels-2.py - The <cite>out</cite> method and the physical outputs.<a class="headerlink" href="#handling-channels-2-py-the-out-method-and-the-physical-outputs" title="Permalink to this heading">¶</a></h1>
<p>In a multichannel environment, we can carefully choose which stream
goes to which output channel. To achieve this, we use the <cite>chnl</cite> and
<cite>inc</cite> arguments of the out method.</p>
<p>chnl : Physical output assigned to the first audio stream of the object.
inc : Output channel increment value.</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <a class="sphinx-codeautolink-a" href="../../api/alphabetical.html#module-pyo" title="pyo"><span class="nn">pyo</span></a> <span class="kn">import</span> <span class="o">*</span>
<span class="c1"># Creates a Server with 8 channels</span>
<span class="n">s</span> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/server.html#pyo.Server" title="pyo.lib.server.Server"><span class="n">Server</span></a><span class="p">(</span><span class="n">nchnls</span><span class="o">=</span><span class="mi">8</span><span class="p">)</span><span class="o">.</span><span class="n">boot</span><span class="p">()</span>
<span class="c1"># Generates a sine wave</span>
<a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">a</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">Sine</span></a><span class="p">(</span><span class="n">freq</span><span class="o">=</span><span class="mi">500</span><span class="p">,</span> <span class="n">mul</span><span class="o">=</span><span class="mf">0.3</span><span class="p">)</span>
<span class="c1"># Mixes it up to four streams</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">mix</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span>
<span class="c1"># Outputs to channels 0, 2, 4 and 6</span>
<span class="n">b</span><span class="o">.</span><span class="n">out</span><span class="p">(</span><span class="n">chnl</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">inc</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>
<span class="n">s</span><span class="o">.</span><span class="n">gui</span><span class="p">(</span><span class="nb">locals</span><span class="p">())</span>
</pre></div>
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