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<h2>
<span class="refentrytitle">v Statement</span>
</h2>
<p>v —
Provides for locally variable time warping of score events.
</p>
</div>
<div class="refsect1">
<a id="idm281472821153768"></a>
<h2>Description</h2>
<p>
The <span class="emphasis"><em>v statement</em></span> provides for locally variable time warping of score events.
</p>
</div>
<div class="refsect1">
<a id="idm281472821152056"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>v</strong></span> p1</pre>
</div>
<div class="refsect1">
<a id="idm281472821093480"></a>
<h2>Initialization</h2>
<p>
<span class="command"><strong>p1</strong></span> -- Time warp factor (must be positive).
</p>
</div>
<div class="refsect1">
<a id="idm281472821091576"></a>
<h2>Performance</h2>
<p>
The <span class="emphasis"><em>v statement</em></span> takes effect with the following <a class="link" href="i.html" title="i Statement (Instrument or Note Statement)"><em class="citetitle">i statement</em></a>, and remains in effect until the next <a class="link" href="v.html" title="v Statement"><em class="citetitle">v statement</em></a>, <a class="link" href="s.html" title="s Statement"><em class="citetitle">s statement</em></a>, or <a class="link" href="e.html" title="e Statement"><em class="citetitle">e statement</em></a>.
</p>
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<div class="refsect1">
<a id="idm281472821086200"></a>
<h2>Examples</h2>
<p>
The value of p1 is used as a multiplier for the start times (p2) of subsequent <a class="link" href="i.html" title="i Statement (Instrument or Note Statement)"><em class="citetitle">i statements</em></a>.
</p>
<p>
</p>
<div class="informalexample">
<pre class="programlisting">
<span class="stamnt">i</span>1 0 1 <span class="comment">; note1</span>
<span class="stamnt">v</span>2
<span class="stamnt">i</span>1 1 1 <span class="comment">; note2</span></pre>
</div>
<p>
In this example, the second note occurs two beats after the first note, and is twice as long.
</p>
<p>
Although the <span class="emphasis"><em>v statement</em></span> is similar to the <a class="link" href="t.html" title="t Statement (Tempo Statement)"><em class="citetitle">t statement</em></a>, the <span class="emphasis"><em>v statement</em></span> is local in operation. That is, <span class="emphasis"><em>v</em></span> affects only the following notes, and its effect may be cancelled or changed by another <span class="emphasis"><em>v statement</em></span>.
</p>
<p>
Carried values are unaffected by the <span class="emphasis"><em>v statement</em></span> (see <a class="link" href="ScoreTop.html#ScoreCarry" title="Carry"><em class="citetitle">Carry</em></a>).
</p>
<p>
</p>
<div class="informalexample">
<pre class="programlisting">
<span class="stamnt">i</span>1 0 1
<span class="stamnt">v</span>2
<span class="stamnt">i</span>. + .
<span class="stamnt">i</span>. . .</pre>
</div>
<p>
In this example, the <span class="emphasis"><em>v statement</em></span> has no effect.
</p>
</div>
<div class="refsect1">
<a id="idm281472821069560"></a>
<h2>Examples</h2>
<p>
Here is an example of the v statement. It uses the file <a class="ulink" href="examples/v.csd" target="_top"><em class="citetitle">v.csd</em></a>.
</p>
<div class="example">
<a id="idm281472821067704"></a>
<p class="title">
<strong>Example 1176. Example of the v statement.</strong>
</p>
<div class="example-contents">
<div class="refsect1">
<a id="idm281472683715672"></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 RT audio input is needed too</span>
<span class="c1">; For Non-realtime ouput leave only the line below:</span>
<span class="c1">; -o v.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>
<span class="kd">instr</span> <span class="nf">1</span>
a<span class="n">env</span> <span class="nb">expseg</span> <span class="mf">.01</span><span class="p">,</span> <span class="nb">p3</span><span class="o">*</span><span class="mf">0.25</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nb">p3</span><span class="o">*</span><span class="mf">0.75</span><span class="p">,</span> <span class="mf">0.01</span>
a<span class="n">sig</span> <span class="nb">poscil3</span> <span class="mf">.4</span><span class="o">*</span>a<span class="n">env</span><span class="p">,</span> <span class="nb">p4</span><span class="p">,</span> <span class="mi">1</span>
<span class="nb">outs</span> a<span class="n">sig</span><span class="p">,</span> a<span class="n">sig</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">f</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">16384</span> <span class="mi">10</span> <span class="mi">1</span> <span class="c1">;sine wave</span>
<span class="c1">;because note 3 and 5 are played simultaneously and are nearly of the same frequency,</span>
<span class="c1">;played together they will create a "beating" sound.</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">2</span> <span class="mi">110</span> <span class="c1">; note1</span>
<span class="nb">v</span><span class="mi">2</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">3</span> <span class="o">.</span> <span class="mi">220</span> <span class="c1">; note2</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">6</span> <span class="o">.</span> <span class="mi">110</span> <span class="c1">; note3</span>
<span class="nb">v</span><span class="mi">1</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">9</span> <span class="o">.</span> <span class="mi">880</span> <span class="c1">; note4</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">12</span> <span class="o">.</span> <span class="mi">100</span> <span class="c1">; note5</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
In this example, note3 and note5 occur simultaneously, while note4 actually occurs before note3, that is, at its original place. Durations are unaffected.
</p>
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