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<h2>
<span class="refentrytitle">inq</span>
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<p>inq —
Reads quad audio data from an external device or stream.
</p>
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<div class="refsect1" title="Description">
<a id="idp27209488"></a>
<h2>Description</h2>
<p>
Reads quad audio data from an external device or stream.
</p>
<div class="warning" title="Warning" style="margin-left: 0.5in; margin-right: 0.5in;">
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<th align="left">Warning</th>
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<p>
This opcode is designed to be used only with orchestras that have
nchnls_i=4. Doing so with orchestras with nchnls_i > 4 will
cause incorrect audio input.
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<div class="refsect1" title="Syntax">
<a id="idp27211032"></a>
<h2>Syntax</h2>
<pre class="synopsis">ar1, ar2, ar3, a4 <span class="command"><strong>inq</strong></span></pre>
</div>
<div class="refsect1" title="Performance">
<a id="idp27238648"></a>
<h2>Performance</h2>
<p>
Reads quad audio data from an external device or stream. If the command-line <a class="link" href="CommandFlags.html#FlagsMinusLowerI"><em class="citetitle">-i</em></a> flag is set, sound is read continuously from the audio input stream (e.g. <span class="emphasis"><em>stdin</em></span> or a soundfile) into an internal buffer. Any number of these opcodes can read freely from this buffer.
</p>
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<div class="refsect1" title="Examples">
<a id="idp27240232"></a>
<h2>Examples</h2>
<p>
Here is an example of the inq opcode. It uses the file <a class="ulink" href="examples/inq.csd" target="_top"><em class="citetitle">inq.csd</em></a>.
</p>
<div class="example">
<a id="idp27241176"></a>
<p class="title">
<strong>Example 368. Example of the inq 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>
-odac -idac <span class="comment">;;;realtime audio I/O</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; inq.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="comment">;2 channels out</span>
<span class="ohdr">0dbfs</span> <span class="op">=</span> 1
nchnls_i <span class="op">=</span> 4 <span class="comment">;4 channels in</span>
<span class="oblock">instr</span> 1 <span class="comment">;4 channels in, two channels out</span>
ain1, ain2, ain3, ain4 <span class="opc">inq</span> <span class="comment">;grab your mics and sing</span>
adel <span class="opc">linseg</span> 0, p3<span class="op">*</span>.5, 0.02, p3<span class="op">*</span>.5, 0 <span class="comment">;max delay time = 20ms</span>
adel2 <span class="opc">linseg</span> 0.02, p3<span class="op">*</span>.5, 0, p3<span class="op">*</span>.5, 0.02 <span class="comment">;max delay time = 20ms </span>
aoutl <span class="opc">flanger</span> ain1, adel, .7
aoutr <span class="opc">flanger</span> ain2, adel<span class="op">*</span>2, .8
aoutla <span class="opc">flanger</span> ain3, adel2, .9
aoutra <span class="opc">flanger</span> ain4, adel2<span class="op">*</span>2, .5
<span class="comment">;write to quad file, 16 bits with header</span>
<span class="opc">fout</span> "in_4.wav", 14, aoutl, aoutr, aoutla, aoutra
<span class="opc">outs</span> (aoutl<span class="op">+</span>aoutla)<span class="op">*</span>.5, (aoutr<span class="op">+</span>aoutra)<span class="op">*</span>.5 <span class="comment">;stereo out</span>
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> 1 0 10
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
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</div>
<p><br class="example-break" />
</p>
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<div class="refsect1" title="See Also">
<a id="idp27242176"></a>
<h2>See Also</h2>
<p>
<a class="link" href="diskin.html" title="diskin"><em class="citetitle">diskin</em></a>,
<a class="link" href="in.html" title="in"><em class="citetitle">in</em></a>,
<a class="link" href="inch.html" title="inch"><em class="citetitle">inh</em></a>,
<a class="link" href="inh.html" title="inh"><em class="citetitle">inh</em></a>,
<a class="link" href="ino.html" title="ino"><em class="citetitle">ino</em></a>,
<a class="link" href="ins.html" title="ins"><em class="citetitle">ins</em></a>,
<a class="link" href="soundin.html" title="soundin"><em class="citetitle">soundin</em></a>
</p>
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<div class="refsect1" title="Credits">
<a id="idp27245928"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Authors: Barry L. Vercoe, Matt Ingalls/Mike Berry</td>
</tr>
<tr>
<td>MIT, Mills College</td>
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<tr>
<td>1993-1997</td>
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