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<td >Qt 5.9</td><td ><a href="qtspeech-index.html">Qt Speech</a></td><td ><a href="qtspeech-module.html">C++ Classes</a></td><td >QTextToSpeech</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QTextToSpeech Class</h1>
<!-- $$$QTextToSpeech-brief -->
<p>The <a href="qtexttospeech.html">QTextToSpeech</a> class provides a convenient access to text-to-speech engines <a href="#details">More...</a></p>
<!-- @@@QTextToSpeech -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QTextToSpeech></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += texttospeech</td></tr></table></div><ul>
<li><a href="qtexttospeech-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-types"></a>
<h2 id="public-types">Public Types</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#State-enum">State</a></b> { Ready, Speaking, Paused, BackendError }</td></tr>
</table></div>
<a name="properties"></a>
<h2 id="properties">Properties</h2>
<div class="table"><table class="propsummary">
<tr><td class="topAlign"><ul>
<li class="fn"><b><a href="qtexttospeech.html#locale-prop">locale</a></b> : QLocale</li>
<li class="fn"><b><a href="qtexttospeech.html#pitch-prop">pitch</a></b> : double</li>
<li class="fn"><b><a href="qtexttospeech.html#rate-prop">rate</a></b> : double</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qtexttospeech.html#state-prop">state</a></b> : const State</li>
<li class="fn"><b><a href="qtexttospeech.html#voice-prop">voice</a></b> : QVoice</li>
<li class="fn"><b><a href="qtexttospeech.html#volume-prop">volume</a></b> : int</li>
</ul>
</td></tr>
</table></div>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#QTextToSpeech">QTextToSpeech</a></b>(QObject *<i>parent</i> = nullptr)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#QTextToSpeech-1">QTextToSpeech</a></b>(const QString &<i>engine</i>, QObject *<i>parent</i> = nullptr)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QVector<QLocale> </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#availableLocales">availableLocales</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QVector<QVoice> </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#availableVoices">availableVoices</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QLocale </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#locale-prop">locale</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> double </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#pitch-prop">pitch</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> double </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#rate-prop">rate</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> State </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#state-prop">state</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QVoice </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#voice-prop">voice</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> double </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#volume-prop">volume</a></b>() const</td></tr>
</table></div>
<a name="public-slots"></a>
<h2 id="public-slots">Public Slots</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#pause">pause</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#resume">resume</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#say">say</a></b>(const QString &<i>text</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#setLocale">setLocale</a></b>(const QLocale &<i>locale</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#pitch-prop">setPitch</a></b>(double <i>pitch</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#rate-prop">setRate</a></b>(double <i>rate</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#setVoice">setVoice</a></b>(const QVoice &<i>voice</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#volume-prop">setVolume</a></b>(double <i>volume</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#stop">stop</a></b>()</td></tr>
</table></div>
<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#locale-prop">localeChanged</a></b>(const QLocale &<i>locale</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#pitch-prop">pitchChanged</a></b>(double <i>pitch</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#rate-prop">rateChanged</a></b>(double <i>rate</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#state-prop">stateChanged</a></b>(QTextToSpeech::State <i>state</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#voice-prop">voiceChanged</a></b>(const QVoice &<i>voice</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#volume-prop">volumeChanged</a></b>(int <i>volume</i>)</td></tr>
</table></div>
<a name="static-public-members"></a>
<h2 id="static-public-members">Static Public Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> QStringList </td><td class="memItemRight bottomAlign"><b><a href="qtexttospeech.html#availableEngines">availableEngines</a></b>()</td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QTextToSpeech-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qtexttospeech.html">QTextToSpeech</a> class provides a convenient access to text-to-speech engines</p>
<p>Use <a href="qtexttospeech.html#say">say</a>() to start synthesizing text. It is possible to specify the language with <a href="qtexttospeech.html#setLocale">setLocale</a>(). To select between the available voices use <a href="qtexttospeech.html#setVoice">setVoice</a>(). The languages and voices depend on the available synthesizers on each platform. On Linux, <code>speech-dispatcher</code> is used by default.</p>
</div>
<!-- @@@QTextToSpeech -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$State$$$Ready$$$Speaking$$$Paused$$$BackendError -->
<h3 class="fn" id="State-enum"><a name="State-enum"></a>enum QTextToSpeech::<span class="name">State</span></h3>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>QTextToSpeech::Ready</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">The synthesizer is ready to start a new text. This is also the state after a text was finished.</td></tr>
<tr><td class="topAlign"><code>QTextToSpeech::Speaking</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">The current text is being spoken.</td></tr>
<tr><td class="topAlign"><code>QTextToSpeech::Paused</code></td><td class="topAlign tblval"><code>2</code></td><td class="topAlign">The synthesis was paused and can be resumed with <a href="qtexttospeech.html#resume">resume</a>().</td></tr>
<tr><td class="topAlign"><code>QTextToSpeech::BackendError</code></td><td class="topAlign tblval"><code>3</code></td><td class="topAlign">The backend was unable to synthesize the current string.</td></tr>
</table></div>
<!-- @@@State -->
</div>
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$locale-prop$$$locale$$$setLocaleconstQLocale&$$$localeChangedconstQLocale& -->
<h3 class="fn" id="locale-prop"><a name="locale-prop"></a><span class="name">locale</span> : <span class="type">QLocale</span></h3>
<p>This property holds the current locale in use. By default, the system locale is used.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QLocale </td><td class="memItemRight bottomAlign"><span class="name"><b>locale</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qtexttospeech.html#setLocale">setLocale</a></b></span>(const QLocale &<i>locale</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>localeChanged</b></span>(const QLocale &<i>locale</i>)</td></tr>
</table></div>
<!-- @@@locale -->
<!-- $$$pitch-prop$$$pitch$$$setPitchdouble$$$pitchChangeddouble -->
<h3 class="fn" id="pitch-prop"><a name="pitch-prop"></a><span class="name">pitch</span> : <span class="type">double</span></h3>
<p>This property holds the voice pitch, ranging from -1.0 to 1.0. The default of 0.0 is the normal speech pitch.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> double </td><td class="memItemRight bottomAlign"><span class="name"><b>pitch</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setPitch</b></span>(double <i>pitch</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>pitchChanged</b></span>(double <i>pitch</i>)</td></tr>
</table></div>
<!-- @@@pitch -->
<!-- $$$rate-prop$$$rate$$$setRatedouble$$$rateChangeddouble -->
<h3 class="fn" id="rate-prop"><a name="rate-prop"></a><span class="name">rate</span> : <span class="type">double</span></h3>
<p>This property holds the current voice rate, ranging from -1.0 to 1.0. The default value of 0.0 is normal speech flow.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> double </td><td class="memItemRight bottomAlign"><span class="name"><b>rate</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setRate</b></span>(double <i>rate</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>rateChanged</b></span>(double <i>rate</i>)</td></tr>
</table></div>
<!-- @@@rate -->
<!-- $$$state-prop$$$state$$$stateChangedQTextToSpeech::State -->
<h3 class="fn" id="state-prop"><a name="state-prop"></a><span class="name">state</span> : const <span class="type"><a href="qtexttospeech.html#State-enum">State</a></span></h3>
<p>This property holds the current state of the speech synthesizer. Use <a href="qtexttospeech.html#say">say</a>() to start synthesizing text with the current voice and locale.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> State </td><td class="memItemRight bottomAlign"><span class="name"><b>state</b></span>() const</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>stateChanged</b></span>(QTextToSpeech::State <i>state</i>)</td></tr>
</table></div>
<!-- @@@state -->
<!-- $$$voice-prop$$$voice$$$setVoiceconstQVoice&$$$voiceChangedconstQVoice& -->
<h3 class="fn" id="voice-prop"><a name="voice-prop"></a><span class="name">voice</span> : <span class="type"><a href="qvoice.html">QVoice</a></span></h3>
<p>This property holds the current voice used for the speech.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QVoice </td><td class="memItemRight bottomAlign"><span class="name"><b>voice</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qtexttospeech.html#setVoice">setVoice</a></b></span>(const QVoice &<i>voice</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>voiceChanged</b></span>(const QVoice &<i>voice</i>)</td></tr>
</table></div>
<!-- @@@voice -->
<!-- $$$volume-prop$$$volume$$$setVolumedouble$$$volumeChangedint -->
<h3 class="fn" id="volume-prop"><a name="volume-prop"></a><span class="name">volume</span> : <span class="type">int</span></h3>
<p>This property holds the current volume, ranging from 0.0 to 1.0. The default value is the platform's default volume.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> double </td><td class="memItemRight bottomAlign"><span class="name"><b>volume</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setVolume</b></span>(double <i>volume</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>volumeChanged</b></span>(int <i>volume</i>)</td></tr>
</table></div>
<!-- @@@volume -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QTextToSpeech[overload1]$$$QTextToSpeechQObject* -->
<h3 class="fn" id="QTextToSpeech"><a name="QTextToSpeech"></a>QTextToSpeech::<span class="name">QTextToSpeech</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3>
<p>Loads a text-to-speech engine from a plug-in that uses the default engine plug-in and constructs a <a href="qtexttospeech.html">QTextToSpeech</a> object as the child of <i>parent</i>.</p>
<p>The default engine may be platform-specific.</p>
<p>If the plugin fails to load, <a href="qtexttospeech.html#state-prop">QTextToSpeech::state</a>() returns <a href="qtexttospeech.html#State-enum">QTextToSpeech::BackendError</a>.</p>
<p><b>See also </b><a href="qtexttospeech.html#availableEngines">availableEngines</a>().</p>
<!-- @@@QTextToSpeech -->
<!-- $$$QTextToSpeech$$$QTextToSpeechconstQString&QObject* -->
<h3 class="fn" id="QTextToSpeech-1"><a name="QTextToSpeech-1"></a>QTextToSpeech::<span class="name">QTextToSpeech</span>(const <span class="type">QString</span> &<i>engine</i>, <span class="type">QObject</span> *<i>parent</i> = nullptr)</h3>
<p>Loads a text-to-speech engine from a plug-in that matches parameter <i>engine</i> and constructs a <a href="qtexttospeech.html">QTextToSpeech</a> object as the child of <i>parent</i>.</p>
<p>If <i>engine</i> is empty, the default engine plug-in is used. The default engine may be platform-specific.</p>
<p>If the plugin fails to load, <a href="qtexttospeech.html#state-prop">QTextToSpeech::state</a>() returns <a href="qtexttospeech.html#State-enum">QTextToSpeech::BackendError</a>.</p>
<p><b>See also </b><a href="qtexttospeech.html#availableEngines">availableEngines</a>().</p>
<!-- @@@QTextToSpeech -->
<!-- $$$availableEngines[overload1]$$$availableEngines -->
<h3 class="fn" id="availableEngines"><a name="availableEngines"></a><code>[static] </code><span class="type">QStringList</span> QTextToSpeech::<span class="name">availableEngines</span>()</h3>
<p>Gets the list of supported text-to-speech engine plug-ins.</p>
<!-- @@@availableEngines -->
<!-- $$$availableLocales[overload1]$$$availableLocales -->
<h3 class="fn" id="availableLocales"><a name="availableLocales"></a><span class="type">QVector</span><<span class="type">QLocale</span>> QTextToSpeech::<span class="name">availableLocales</span>() const</h3>
<p>Gets a vector of locales that are currently supported.</p>
<p><b>Note: </b>On some platforms these can change, for example, when the backend changes synthesizers.</p><!-- @@@availableLocales -->
<!-- $$$availableVoices[overload1]$$$availableVoices -->
<h3 class="fn" id="availableVoices"><a name="availableVoices"></a><span class="type">QVector</span><<span class="type"><a href="qvoice.html">QVoice</a></span>> QTextToSpeech::<span class="name">availableVoices</span>() const</h3>
<p>Gets a vector of voices available for the current locale.</p>
<p><b>Note: </b>if no locale has been set, the system locale is used.</p><!-- @@@availableVoices -->
<!-- $$$pause[overload1]$$$pause -->
<h3 class="fn" id="pause"><a name="pause"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">pause</span>()</h3>
<p>Pauses the current speech.</p>
<p>Note:</p>
<ul>
<li>This function depends on the platform and the backend. It may not work at all, it may take several seconds before it takes effect, or it may pause instantly. Some synthesizers will look for a break that they can later resume from, such as a sentence end.</li>
<li>Due to Android platform limitations, pause() stops what is presently being said, while <a href="qtexttospeech.html#resume">resume</a>() starts the previously queued sentence from the beginning.</li>
</ul>
<p><b>See also </b><a href="qtexttospeech.html#resume">resume</a>().</p>
<!-- @@@pause -->
<!-- $$$resume[overload1]$$$resume -->
<h3 class="fn" id="resume"><a name="resume"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">resume</span>()</h3>
<p>Resume speaking after <a href="qtexttospeech.html#pause">pause</a>() has been called.</p>
<p><b>See also </b><a href="qtexttospeech.html#pause">pause</a>().</p>
<!-- @@@resume -->
<!-- $$$say[overload1]$$$sayconstQString& -->
<h3 class="fn" id="say"><a name="say"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">say</span>(const <span class="type">QString</span> &<i>text</i>)</h3>
<p>Start synthesizing the <i>text</i>. This function will start the asynchronous reading of the text. The current state is available using the <a href="qtexttospeech.html#state-prop">state</a> property. Once the synthesis is done, a <a href="qtexttospeech.html#state-prop">stateChanged</a>() signal with the <a href="qtexttospeech.html#State-enum">Ready</a> state is emitted.</p>
<!-- @@@say -->
<!-- $$$setLocale -->
<h3 class="fn" id="setLocale"><a name="setLocale"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">setLocale</span>(const <span class="type">QLocale</span> &<i>locale</i>)</h3>
<p>Sets the <i>locale</i> to a given locale if possible. The default is the system locale.</p>
<p><b>Note:</b> Setter function for property <a href="qtexttospeech.html#locale-prop">locale</a>. </p><p><b>See also </b><a href="qtexttospeech.html#locale-prop">locale</a>().</p>
<!-- @@@setLocale -->
<!-- $$$setVoice -->
<h3 class="fn" id="setVoice"><a name="setVoice"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">setVoice</span>(const <span class="type"><a href="qvoice.html">QVoice</a></span> &<i>voice</i>)</h3>
<p>Sets the <i>voice</i> to use.</p>
<p><b>Note: </b>On some platforms, setting the voice changes other voice attributes such as locale, pitch, and so on. These changes trigger the emission of signals.</p><p><b>Note:</b> Setter function for property <a href="qtexttospeech.html#voice-prop">voice</a>. </p><p><b>See also </b><a href="qtexttospeech.html#voice-prop">voice</a>().</p>
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<h3 class="fn" id="stop"><a name="stop"></a><code>[slot] </code><span class="type">void</span> QTextToSpeech::<span class="name">stop</span>()</h3>
<p>Stop the text that is being read.</p>
<!-- @@@stop -->
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