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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qdeclarative_sound_p.cpp -->
  <title>Sound QML Type | Qt Multimedia 5.9</title>
  <link rel="stylesheet" type="text/css" href="style/offline-simple.css" />
  <script type="text/javascript">
    document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css");
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    // so force jumping to anchor again
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        // need to jump to different anchor first (e.g. none)
        location.hash = "#";
        setTimeout(function() {
            location.hash = anchor;
        }, 0);
    }, 0);
  </script>
</head>
<body>
<div class="header" id="qtdocheader">
  <div class="main">
    <div class="main-rounded">
      <div class="navigationbar">
        <table><tr>
<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-qmlmodule.html">QML Types</a></td><td >Sound QML Type</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</td>
        </tr></table>
      </div>
    </div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="sidebar">
<div class="toc">
<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#methods">Methods</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
</ul>
</div>
<div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">Sound QML Type</h1>
<span class="subtitle"></span>
<!-- $$$Sound-brief -->
<p>Define a variety of samples and parameters to be used for <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a>. <a href="#details">More...</a></p>
<!-- @@@Sound -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtAudioEngine 1.1</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 5.0</td></tr></table></div><ul>
<li><a href="qml-qtaudioengine-sound-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="properties"></a>
<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#attenuationModel-prop">attenuationModel</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#category-prop">category</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#name-prop">name</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#playType-prop">playType</a></b></b> : enumeration</li>
</ul>
<a name="methods"></a>
<h2 id="methods">Methods</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#addPlayVariation-method">addPlayVariation</a></b></b>(PlayVariation <i>playVariation</i>)</li>
<li class="fn">QtAudioEngine::SoundInstance <b><b><a href="qml-qtaudioengine-sound.html#newInstance-method">newInstance</a></b></b>()</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-11">play</a></b></b>(<i>position</i>, <i>velocity</i>, <i>direction</i>, <i>gain</i>, <i>pitch</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-10">play</a></b></b>(<i>position</i>, <i>velocity</i>, <i>gain</i>, <i>pitch</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-9">play</a></b></b>(<i>position</i>, <i>gain</i>, <i>pitch</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-8">play</a></b></b>(<i>position</i>, <i>velocity</i>, <i>direction</i>, <i>gain</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-7">play</a></b></b>(<i>position</i>, <i>velocity</i>, <i>gain</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-6">play</a></b></b>(<i>position</i>, <i>gain</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-5">play</a></b></b>(<i>position</i>, <i>velocity</i>, <i>direction</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-4">play</a></b></b>(<i>position</i>, <i>velocity</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-3">play</a></b></b>(<i>position</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-2">play</a></b></b>(<i>gain</i>, <i>pitch</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method-1">play</a></b></b>(<i>gain</i>)</li>
<li class="fn"><b><b><a href="qml-qtaudioengine-sound.html#play-method">play</a></b></b>()</li>
</ul>
<!-- $$$Sound-description -->
<a name="details"></a>
<h2 id="details">Detailed Description</h2>
<p>Sound can be accessed through <a href="qml-qtaudioengine-audioengine.html#sounds-prop">QtAudioEngine::AudioEngine::sounds</a> with its unique name and must be defined inside <a href="qml-qtaudioengine-audioengine.html">AudioEngine</a> or be added to it using <a href="qml-qtaudioengine-audioengine.html#addSound-method">AudioEngine.addSound()</a> if <a href="qml-qtaudioengine-sound.html">Sound</a> is created dynamically.</p>
<pre class="qml">

  <span class="type">Rectangle</span> {
      <span class="name">color</span>:<span class="string">&quot;white&quot;</span>
      <span class="name">width</span>: <span class="number">300</span>
      <span class="name">height</span>: <span class="number">500</span>

      <span class="type"><a href="qml-qtaudioengine-audioengine.html">AudioEngine</a></span> {
          <span class="name">id</span>:<span class="name">audioengine</span>

          <span class="type"><a href="qml-qtaudioengine-audiosample.html">AudioSample</a></span> {
              <span class="name">name</span>:<span class="string">&quot;explosion01&quot;</span>
              <span class="name">source</span>: <span class="string">&quot;explosion-01.wav&quot;</span>
          }

          <span class="type"><a href="qml-qtaudioengine-audiosample.html">AudioSample</a></span> {
              <span class="name">name</span>:<span class="string">&quot;explosion02&quot;</span>
              <span class="name">source</span>: <span class="string">&quot;explosion-02.wav&quot;</span>
          }

          <span class="type"><a href="qml-qtaudioengine-sound.html">Sound</a></span> {
              <span class="name">name</span>:<span class="string">&quot;explosion&quot;</span>
              <span class="name">playType</span>: <span class="name">Sound</span>.<span class="name">Random</span>
              <span class="type"><a href="qml-qtaudioengine-playvariation.html">PlayVariation</a></span> {
                  <span class="name">sample</span>:<span class="string">&quot;explosion01&quot;</span>
                  <span class="name">minPitch</span>: <span class="number">0.8</span>
                  <span class="name">maxPitch</span>: <span class="number">1.1</span>
              }
              <span class="type"><a href="qml-qtaudioengine-playvariation.html">PlayVariation</a></span> {
                  <span class="name">sample</span>:<span class="string">&quot;explosion02&quot;</span>
                  <span class="name">minGain</span>: <span class="number">1.1</span>
                  <span class="name">maxGain</span>: <span class="number">1.5</span>
              }
          }
      }
      <span class="type">MouseArea</span> {
          <span class="name">anchors</span>.fill: <span class="name">parent</span>
          <span class="name">onPressed</span>: {
              <span class="name">audioengine</span>.<span class="name">sounds</span>[<span class="string">&quot;explosion&quot;</span>].<span class="name">play</span>();
          }
      }
  }

</pre>
<!-- @@@Sound -->
<h2>Property Documentation</h2>
<!-- $$$attenuationModel -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="attenuationModel-prop">
<td class="tblQmlPropNode"><p>
<a name="attenuationModel-prop"></a><span class="name">attenuationModel</span> : <span class="type">string</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property specifies which attenuation model this sound will apply.</p>
</div></div><!-- @@@attenuationModel -->
<br/>
<!-- $$$category -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="category-prop">
<td class="tblQmlPropNode"><p>
<a name="category-prop"></a><span class="name">category</span> : <span class="type">string</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property specifies which <a href="qml-qtaudioengine-audiocategory.html">AudioCategory</a> this sound belongs to.</p>
</div></div><!-- @@@category -->
<br/>
<!-- $$$name -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="name-prop">
<td class="tblQmlPropNode"><p>
<a name="name-prop"></a><span class="name">name</span> : <span class="type">string</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the name of Sound, must be unique among all sounds and only defined once.</p>
</div></div><!-- @@@name -->
<br/>
<!-- $$$playType -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="playType-prop">
<td class="tblQmlPropNode"><p>
<a name="playType-prop"></a><span class="name">playType</span> : <span class="type">enumeration</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the playType. It can be one of:</p>
<ul>
<li>Random - randomly picks up a play variation when playback is triggered</li>
<li>Sequential - plays each variation in sequence when playback is triggered</li>
</ul>
<p>The default value is Random.</p>
</div></div><!-- @@@playType -->
<br/>
<h2>Method Documentation</h2>
<!-- $$$addPlayVariation -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="addPlayVariation-method">
<td class="tblQmlFuncNode"><p>
<a name="addPlayVariation-method"></a><span class="name">addPlayVariation</span>(<span class="type"><a href="qml-qtaudioengine-playvariation.html">PlayVariation</a></span> <i>playVariation</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Adds the given <i>playVariation</i> to sound. This can be used when the <a href="qml-qtaudioengine-playvariation.html">PlayVariation</a> is created dynamically:</p>
<pre class="qml">

  import QtAudioEngine 1.1

  <span class="type"><a href="qml-qtaudioengine-audioengine.html">AudioEngine</a></span> {
      <span class="name">id</span>: <span class="name">engine</span>

      <span class="name">Component</span>.onCompleted: {
          var <span class="name">playVariation</span> = <span class="name">Qt</span>.<span class="name">createQmlObject</span>(<span class="string">'import QtAudioEngine 1.1; PlayVariation {}'</span>, <span class="name">engine</span>);
          <span class="name">playVariation</span>.<span class="name">sample</span> <span class="operator">=</span> <span class="string">&quot;sample&quot;</span>;
          <span class="name">playVariation</span>.<span class="name">minPitch</span> <span class="operator">=</span> <span class="number">0.8</span>
          <span class="name">playVariation</span>.<span class="name">maxPitch</span> <span class="operator">=</span> <span class="number">1.1</span>

          var <span class="name">sound</span> = <span class="name">Qt</span>.<span class="name">createQmlObject</span>(<span class="string">'import QtAudioEngine 1.1; Sound {}'</span>, <span class="name">engine</span>);
          <span class="name">sound</span>.<span class="name">name</span> <span class="operator">=</span> <span class="string">&quot;example&quot;</span>;
          <span class="name">sound</span>.<span class="name">addPlayVariation</span>(<span class="name">playVariation</span>);
          <span class="name">engine</span>.<span class="name">addSound</span>(<span class="name">sound</span>);
      }
  }

</pre>
</div></div><!-- @@@addPlayVariation -->
<br/>
<!-- $$$newInstance -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="newInstance-method">
<td class="tblQmlFuncNode"><p>
<a name="newInstance-method"></a><span class="type"><a href="qml-qtaudioengine-soundinstance.html">QtAudioEngine::SoundInstance</a></span> <span class="name">newInstance</span>()</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Returns a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a>.</p>
</div></div><!-- @@@newInstance -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-11">
<td class="tblQmlFuncNode"><p>
<a name="play-method-11"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>, <i>direction</i>, <i>gain</i>, <i>pitch</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, <i>velocity</i>, <i>direction</i>, adjusted <i>gain</i> and <i>pitch</i>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-10">
<td class="tblQmlFuncNode"><p>
<a name="play-method-10"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>, <i>gain</i>, <i>pitch</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, <i>velocity</i>, adjusted <i>gain</i> and <i>pitch</i>. Direction is set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-9">
<td class="tblQmlFuncNode"><p>
<a name="play-method-9"></a><span class="name">play</span>(<i>position</i>, <i>gain</i>, <i>pitch</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, adjusted <i>gain</i> and <i>pitch</i>. Direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-8">
<td class="tblQmlFuncNode"><p>
<a name="play-method-8"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>, <i>direction</i>, <i>gain</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, <i>velocity</i>, <i>direction</i> and adjusted <i>gain</i>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-7">
<td class="tblQmlFuncNode"><p>
<a name="play-method-7"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>, <i>gain</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, <i>velocity</i> and adjusted <i>gain</i>. Direction is set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-6">
<td class="tblQmlFuncNode"><p>
<a name="play-method-6"></a><span class="name">play</span>(<i>position</i>, <i>gain</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i> and adjusted <i>gain</i>. Direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-5">
<td class="tblQmlFuncNode"><p>
<a name="play-method-5"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>, <i>direction</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>, <i>velocity</i> and <i>direction</i>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-4">
<td class="tblQmlFuncNode"><p>
<a name="play-method-4"></a><span class="name">play</span>(<i>position</i>, <i>velocity</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i> and <i>velocity</i>. Direction is set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-3">
<td class="tblQmlFuncNode"><p>
<a name="play-method-3"></a><span class="name">play</span>(<i>position</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with specified <i>position</i>. Direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-2">
<td class="tblQmlFuncNode"><p>
<a name="play-method-2"></a><span class="name">play</span>(<i>gain</i>, <i>pitch</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with the adjusted <i>gain</i> and <i>pitch</i>. Position, direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method-1">
<td class="tblQmlFuncNode"><p>
<a name="play-method-1"></a><span class="name">play</span>(<i>gain</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing with the adjusted <i>gain</i>. Position, direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
<!-- $$$play -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="play-method">
<td class="tblQmlFuncNode"><p>
<a name="play-method"></a><span class="name">play</span>()</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Creates a new <a href="qml-qtaudioengine-soundinstance.html">SoundInstance</a> and starts playing. Position, direction and velocity are all set to <code>&quot;0,0,0&quot;</code>.</p>
</div></div><!-- @@@play -->
<br/>
        </div>
       </div>
   </div>
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