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<div class="refentry" title="MixerGetLevel">
<a id="MixerGetLevel"></a>
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<a id="IndexMixerGetLevel" class="indexterm"></a>
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<h2>
<span class="refentrytitle">MixerGetLevel</span>
</h2>
<p>MixerGetLevel —
Gets the level of a send to a buss.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp31856656"></a>
<h2>Syntax</h2>
<pre class="synopsis">kgain <span class="command"><strong>MixerGetLevel</strong></span> isend, ibuss</pre>
</div>
<div class="refsect1" title="Description">
<a id="idp31857728"></a>
<h2>Description</h2>
<p>Gets the level at which signals from the send are being added to the buss. The actual sending of the signal to the buss
is performed by the <a class="link" href="MixerSend.html" title="MixerSend"><em class="citetitle">MixerSend</em></a> opcode.
</p>
</div>
<div class="refsect1" title="Initialization">
<a id="idp31900488"></a>
<h2>Initialization</h2>
<p><span class="emphasis"><em>isend</em></span> -- The number of the send, for example the number of the instrument sending the signal.</p>
<p><span class="emphasis"><em>ibuss</em></span> -- The number of the buss, for example the number of the instrument receiving the signal.</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp31901736"></a>
<h2>Performance</h2>
<p><span class="emphasis"><em>kgain</em></span> -- The level (any real number) at which the signal from the send will be mixed onto the buss.</p>
<p>
This opcode reports the level set by <a class="link" href="MixerSetLevel.html" title="MixerSetLevel"><em class="citetitle">MixerSetLevel</em></a> for a send and buss pair.
</p>
<p>
Use of the mixer requires that instruments setting gains have smaller numbers than instruments sending signals,
and that instruments sending signals have smaller numbers than instruments receiving those signals.
However, an instrument may have any number of sends or receives. After the final signal is received,
<a class="link" href="MixerClear.html" title="MixerClear"><em class="citetitle">MixerClear</em></a> must be invoked to reset the busses to 0 before the next kperiod.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp31904392"></a>
<h2>Examples</h2>
<p>
Here is an example of the MixerGetLevel opcode. It uses the file <a class="ulink" href="examples/Mixer.csd" target="_top"><em class="citetitle">Mixer.csd</em></a>
</p>
<div class="example">
<a id="idp31905352"></a>
<p class="title">
<strong>Example 483. Example of the MixerGetLevel opcode.</strong>
</p>
<div class="example-contents">
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out Audio in</span>
-odac <span class="comment">; -iadc ;;;RT audio out</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o Mixer.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span> <span class="op">=</span> 1
<span class="oblock">instr</span> 1
katt <span class="opc">expon</span> 0.01, p3, 1 <span class="comment">;create an attack</span>
aout <span class="opc">poscil</span> .7, 440,1
<span class="opc">MixerSetLevel</span> 1, 3, katt <span class="comment">;impose attack on the gain level</span>
<span class="opc">MixerSend</span> aout, 1, 3, 0 <span class="comment">;send to channel 0</span>
<span class="oblock">endin</span>
<span class="oblock">instr</span> 2
aout <span class="opc">vco2</span> .5, 110 <span class="comment">;saw wave</span>
<span class="opc">MixerSetLevel</span> 2, 3, .25 <span class="comment">;set level to .25 of vco2</span>
<span class="opc">MixerSend</span> aout, 2, 3, 1 <span class="comment">;send to channel 1</span>
<span class="oblock">endin</span>
<span class="oblock">instr</span> 3 <span class="comment">;mix instr.1 and 2 with reverb</span>
kgain1 <span class="opc">MixerGetLevel</span> 1,3 <span class="comment">;get level form buss 3</span>
kgain2 <span class="opc">MixerGetLevel</span> 2,3 <span class="comment">;get level form buss 3</span>
a1 <span class="opc">MixerReceive</span> 3,0 <span class="comment">;receive channel 0</span>
a2 <span class="opc">MixerReceive</span> 3,1 <span class="comment">;receive channel 1</span>
aout <span class="op">=</span> a1<span class="op">*</span>kgain1<span class="op">+</span>a2<span class="op">*</span>kgain2 <span class="comment">;mix them</span>
aoutL, aoutR <span class="opc">reverbsc</span> aout, aout, 0.85, 12000 <span class="comment">;add a nicereverb</span>
<span class="opc">outs</span> aoutL, aoutR
<span class="opc">MixerClear</span>
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span>1 0 4096 10 1
<span class="stamnt">i</span>1 0 2
<span class="stamnt">i</span>2 0 2
<span class="stamnt">i</span>3 0 8 <span class="comment">;reverb stays on for 8 sec.</span>
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp31906368"></a>
<h2>Credits</h2>
<p>Michael Gogins (gogins at pipeline dot com).</p>
</div>
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