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<h2>
<span class="refentrytitle">fouti</span>
</h2>
<p>fouti —
Outputs i-rate signals of an arbitrary number of channels to a specified file.
</p>
</div>
<div class="refsect1">
<a id="idm281472929544824"></a>
<h2>Description</h2>
<p>
<span class="emphasis"><em>fouti</em></span> output <span class="emphasis"><em>N</em></span> i-rate signals to a specified file of <span class="emphasis"><em>N</em></span> channels.
</p>
</div>
<div class="refsect1">
<a id="idm281472929499656"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>fouti</strong></span> ihandle, iformat, iflag, iout1 [, iout2, iout3,....,ioutN]</pre>
</div>
<div class="refsect1">
<a id="idm281472929497640"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ihandle</em></span> -- a number which specifies this file.
</p>
<p>
<span class="emphasis"><em>iformat</em></span> -- a flag to choose output file format:
</p>
<div class="itemizedlist">
<ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>0 - floating point in text format</p>
</li>
<li class="listitem">
<p>1 - 32-bit floating point in binary format</p>
</li>
</ul>
</div>
<p>
</p>
<p>
<span class="emphasis"><em>iflag</em></span> -- choose the mode of writing to the ASCII file (valid only in ASCII mode; in binary mode <span class="emphasis"><em>iflag</em></span> has no meaning, but it must be present anyway). <span class="emphasis"><em>iflag</em></span> can be a value chosen among the following:
</p>
<div class="itemizedlist">
<ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>0 - line of text without instrument prefix</p>
</li>
<li class="listitem">
<p>1 - line of text with instrument prefix (see below)</p>
</li>
<li class="listitem">
<p>2 - reset the time of instrument prefixes to zero (to be used only in some particular cases. See below)</p>
</li>
</ul>
</div>
<p>
</p>
<p>
<span class="emphasis"><em>iout,..., ioutN</em></span> -- values to be written to the file
</p>
</div>
<div class="refsect1">
<a id="idm281472929487416"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>fouti</em></span> and <a class="link" href="foutir.html" title="foutir"><em class="citetitle">foutir</em></a> write i-rate values to a file. The main use of these opcodes is to generate a score file during a realtime session. For this purpose, the user should set <span class="emphasis"><em>iformat</em></span> to 0 (text file output) and <span class="emphasis"><em>iflag</em></span> to 1, which enable the output of a prefix consisting of the strings <span class="emphasis"><em>inum</em></span>, <span class="emphasis"><em>actiontime</em></span>, and <span class="emphasis"><em>duration</em></span>, before the values of <span class="emphasis"><em>iout1...ioutN</em></span> arguments. The arguments in the prefix refer to instrument number, action time and duration of current note.
</p>
<p>
Notice that <a class="link" href="fout.html" title="fout"><em class="citetitle">fout</em></a> and <a class="link" href="foutk.html" title="foutk"><em class="citetitle">foutk</em></a> can use either a string containing a file pathname, or a handle-number generated by <a class="link" href="fiopen.html" title="fiopen"><em class="citetitle">fiopen</em></a>. Whereas, with <span class="emphasis"><em>fouti</em></span> and <a class="link" href="foutir.html" title="foutir"><em class="citetitle">foutir</em></a>, the target file can be only specified by means of a handle-number.
</p>
</div>
<div class="refsect1">
<a id="idm281472929477128"></a>
<h2>Examples</h2>
<p>
Here is an example of the fouti opcode. It uses the file <a class="ulink" href="examples/fouti.csd" target="_top"><em class="citetitle">fouti.csd</em></a>.
</p>
<div class="example">
<a id="idm281472929475272"></a>
<p class="title">
<strong>Example 344. Example of the fouti 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="idm281472763248712"></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 fouti.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">2</span>
<span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span>
gi<span class="n">hand</span> <span class="nb">fiopen</span> <span class="s">"test.txt"</span><span class="p">,</span> <span class="mi">0</span>
<span class="kd">instr</span> <span class="nf">1</span>
i<span class="n">res</span> <span class="nb">random</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">10</span>
<span class="nb">fouti</span> gi<span class="n">hand</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> i<span class="n">res</span>
<span class="nb">ficlose</span> gi<span class="n">hand</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">1</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" />
</p>
</div>
<div class="refsect1">
<a id="idm281472929470984"></a>
<h2>See Also</h2>
<p>
<a class="link" href="fiopen.html" title="fiopen"><em class="citetitle">fiopen</em></a>,
<a class="link" href="fout.html" title="fout"><em class="citetitle">fout</em></a>,
<a class="link" href="foutir.html" title="foutir"><em class="citetitle">foutir</em></a>,
<a class="link" href="foutk.html" title="foutk"><em class="citetitle">foutk</em></a>
</p>
</div>
<div class="refsect1">
<a id="idm281472929466056"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Gabriel Maldonado</td>
</tr>
<tr>
<td>Italy</td>
</tr>
<tr>
<td>1999</td>
</tr>
</table>
<p>
</p>
<p>New in Csound version 3.56</p>
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