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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="#pro-attribs">Protected Attributes</a> &#124;
<a href="classSynthesiser-members.html">List of all members</a>  </div>
  <div class="headertitle">
<div class="title">Synthesiser Class Reference</div>  </div>
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<div class="contents">

<p>Base class for a musical device that can play sounds.  
 <a href="classSynthesiser.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a8c313d6f1fa875790e5c79dc621ee437"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a8c313d6f1fa875790e5c79dc621ee437">Synthesiser</a> ()</td></tr>
<tr class="memdesc:a8c313d6f1fa875790e5c79dc621ee437"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates a new synthesiser.  <a href="#a8c313d6f1fa875790e5c79dc621ee437">More...</a><br /></td></tr>
<tr class="separator:a8c313d6f1fa875790e5c79dc621ee437"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af92647b0dced33f5c3a99be3ddcfcd8e"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#af92647b0dced33f5c3a99be3ddcfcd8e">~Synthesiser</a> ()</td></tr>
<tr class="memdesc:af92647b0dced33f5c3a99be3ddcfcd8e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="#af92647b0dced33f5c3a99be3ddcfcd8e">More...</a><br /></td></tr>
<tr class="separator:af92647b0dced33f5c3a99be3ddcfcd8e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a94391dd12deab56c0fa8079fd97e7f55"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a94391dd12deab56c0fa8079fd97e7f55">clearVoices</a> ()</td></tr>
<tr class="memdesc:a94391dd12deab56c0fa8079fd97e7f55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deletes all voices.  <a href="#a94391dd12deab56c0fa8079fd97e7f55">More...</a><br /></td></tr>
<tr class="separator:a94391dd12deab56c0fa8079fd97e7f55"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac8c97159cdb74440314ca50ad312d31a"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ac8c97159cdb74440314ca50ad312d31a">getNumVoices</a> () const noexcept</td></tr>
<tr class="memdesc:ac8c97159cdb74440314ca50ad312d31a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of voices that have been added.  <a href="#ac8c97159cdb74440314ca50ad312d31a">More...</a><br /></td></tr>
<tr class="separator:ac8c97159cdb74440314ca50ad312d31a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab81708603690f13cf5c29b8e7e7e519c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ab81708603690f13cf5c29b8e7e7e519c">getVoice</a> (int index) const</td></tr>
<tr class="memdesc:ab81708603690f13cf5c29b8e7e7e519c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns one of the voices that have been added.  <a href="#ab81708603690f13cf5c29b8e7e7e519c">More...</a><br /></td></tr>
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<tr class="memitem:a0806a426d99a36367c714b7d433d4d4e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a0806a426d99a36367c714b7d433d4d4e">addVoice</a> (<a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *newVoice)</td></tr>
<tr class="memdesc:a0806a426d99a36367c714b7d433d4d4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a new voice to the synth.  <a href="#a0806a426d99a36367c714b7d433d4d4e">More...</a><br /></td></tr>
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<tr class="memitem:a5478d766609fad27af17ed011f2422dd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a5478d766609fad27af17ed011f2422dd">removeVoice</a> (int index)</td></tr>
<tr class="memdesc:a5478d766609fad27af17ed011f2422dd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deletes one of the voices.  <a href="#a5478d766609fad27af17ed011f2422dd">More...</a><br /></td></tr>
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<tr class="memitem:af6dc83c7e8c7ce8e06a5fe08ae2e3018"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#af6dc83c7e8c7ce8e06a5fe08ae2e3018">clearSounds</a> ()</td></tr>
<tr class="memdesc:af6dc83c7e8c7ce8e06a5fe08ae2e3018"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deletes all sounds.  <a href="#af6dc83c7e8c7ce8e06a5fe08ae2e3018">More...</a><br /></td></tr>
<tr class="separator:af6dc83c7e8c7ce8e06a5fe08ae2e3018"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aed27b08e9ce240546294b109a6c31c7e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#aed27b08e9ce240546294b109a6c31c7e">getNumSounds</a> () const noexcept</td></tr>
<tr class="memdesc:aed27b08e9ce240546294b109a6c31c7e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of sounds that have been added to the synth.  <a href="#aed27b08e9ce240546294b109a6c31c7e">More...</a><br /></td></tr>
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<tr class="memitem:a71626e6df15d04f19688a1f19e7a3285"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a71626e6df15d04f19688a1f19e7a3285">getSound</a> (int index) const noexcept</td></tr>
<tr class="memdesc:a71626e6df15d04f19688a1f19e7a3285"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns one of the sounds.  <a href="#a71626e6df15d04f19688a1f19e7a3285">More...</a><br /></td></tr>
<tr class="separator:a71626e6df15d04f19688a1f19e7a3285"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac76a3fe3505d18da550eddec5d151cab"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ac76a3fe3505d18da550eddec5d151cab">addSound</a> (const <a class="el" href="classSynthesiserSound.html#a602e767cdfca63dd73df1f0d5c723ef8">SynthesiserSound::Ptr</a> &amp;newSound)</td></tr>
<tr class="memdesc:ac76a3fe3505d18da550eddec5d151cab"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a new sound to the synthesiser.  <a href="#ac76a3fe3505d18da550eddec5d151cab">More...</a><br /></td></tr>
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<tr class="memitem:a4e90dec472345cac6c827fb402fd382f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a4e90dec472345cac6c827fb402fd382f">removeSound</a> (int index)</td></tr>
<tr class="memdesc:a4e90dec472345cac6c827fb402fd382f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Removes and deletes one of the sounds.  <a href="#a4e90dec472345cac6c827fb402fd382f">More...</a><br /></td></tr>
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<tr class="memitem:ae0bbfe2c3819167dc5d98b27b21843eb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ae0bbfe2c3819167dc5d98b27b21843eb">setNoteStealingEnabled</a> (bool shouldStealNotes)</td></tr>
<tr class="memdesc:ae0bbfe2c3819167dc5d98b27b21843eb"><td class="mdescLeft">&#160;</td><td class="mdescRight">If set to true, then the synth will try to take over an existing voice if it runs out and needs to play another note.  <a href="#ae0bbfe2c3819167dc5d98b27b21843eb">More...</a><br /></td></tr>
<tr class="separator:ae0bbfe2c3819167dc5d98b27b21843eb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a069564c6c68a5cbd4872fa3da0e80d1f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a069564c6c68a5cbd4872fa3da0e80d1f">isNoteStealingEnabled</a> () const noexcept</td></tr>
<tr class="memdesc:a069564c6c68a5cbd4872fa3da0e80d1f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if note-stealing is enabled.  <a href="#a069564c6c68a5cbd4872fa3da0e80d1f">More...</a><br /></td></tr>
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<tr class="memitem:a488dbf4f02973011c95656eefc1fb862"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a488dbf4f02973011c95656eefc1fb862">noteOn</a> (int midiChannel, int midiNoteNumber, float velocity)</td></tr>
<tr class="memdesc:a488dbf4f02973011c95656eefc1fb862"><td class="mdescLeft">&#160;</td><td class="mdescRight">Triggers a note-on event.  <a href="#a488dbf4f02973011c95656eefc1fb862">More...</a><br /></td></tr>
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<tr class="memitem:af67d93a1499cbd875c6187cbd4add517"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#af67d93a1499cbd875c6187cbd4add517">noteOff</a> (int midiChannel, int midiNoteNumber, float velocity, bool allowTailOff)</td></tr>
<tr class="memdesc:af67d93a1499cbd875c6187cbd4add517"><td class="mdescLeft">&#160;</td><td class="mdescRight">Triggers a note-off event.  <a href="#af67d93a1499cbd875c6187cbd4add517">More...</a><br /></td></tr>
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<tr class="memitem:ac39e7b038c545b92e9f69b47bce54934"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ac39e7b038c545b92e9f69b47bce54934">allNotesOff</a> (int midiChannel, bool allowTailOff)</td></tr>
<tr class="memdesc:ac39e7b038c545b92e9f69b47bce54934"><td class="mdescLeft">&#160;</td><td class="mdescRight">Turns off all notes.  <a href="#ac39e7b038c545b92e9f69b47bce54934">More...</a><br /></td></tr>
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<tr class="memitem:aab0454e1b68d82aada5b7d4561b3af49"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#aab0454e1b68d82aada5b7d4561b3af49">handlePitchWheel</a> (int midiChannel, int wheelValue)</td></tr>
<tr class="memdesc:aab0454e1b68d82aada5b7d4561b3af49"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends a pitch-wheel message to any active voices.  <a href="#aab0454e1b68d82aada5b7d4561b3af49">More...</a><br /></td></tr>
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<tr class="memitem:ae2dc8a91aff04f2e23b6ac22b4dd80a8"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ae2dc8a91aff04f2e23b6ac22b4dd80a8">handleController</a> (int midiChannel, int controllerNumber, int controllerValue)</td></tr>
<tr class="memdesc:ae2dc8a91aff04f2e23b6ac22b4dd80a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends a midi controller message to any active voices.  <a href="#ae2dc8a91aff04f2e23b6ac22b4dd80a8">More...</a><br /></td></tr>
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<tr class="memitem:ae92ed64d170257574b9009b3384bde01"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ae92ed64d170257574b9009b3384bde01">handleAftertouch</a> (int midiChannel, int midiNoteNumber, int aftertouchValue)</td></tr>
<tr class="memdesc:ae92ed64d170257574b9009b3384bde01"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends an aftertouch message.  <a href="#ae92ed64d170257574b9009b3384bde01">More...</a><br /></td></tr>
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<tr class="memitem:aa1f2fdbce8a6502c52c70d34c3e52697"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#aa1f2fdbce8a6502c52c70d34c3e52697">handleChannelPressure</a> (int midiChannel, int channelPressureValue)</td></tr>
<tr class="memdesc:aa1f2fdbce8a6502c52c70d34c3e52697"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sends a channel pressure message.  <a href="#aa1f2fdbce8a6502c52c70d34c3e52697">More...</a><br /></td></tr>
<tr class="separator:aa1f2fdbce8a6502c52c70d34c3e52697"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a393f210a6c793d6d38221a346e961a23"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a393f210a6c793d6d38221a346e961a23">handleSustainPedal</a> (int midiChannel, bool isDown)</td></tr>
<tr class="memdesc:a393f210a6c793d6d38221a346e961a23"><td class="mdescLeft">&#160;</td><td class="mdescRight">Handles a sustain pedal event.  <a href="#a393f210a6c793d6d38221a346e961a23">More...</a><br /></td></tr>
<tr class="separator:a393f210a6c793d6d38221a346e961a23"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7876cd621f700a1500cfc026f082f2a4"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a7876cd621f700a1500cfc026f082f2a4">handleSostenutoPedal</a> (int midiChannel, bool isDown)</td></tr>
<tr class="memdesc:a7876cd621f700a1500cfc026f082f2a4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Handles a sostenuto pedal event.  <a href="#a7876cd621f700a1500cfc026f082f2a4">More...</a><br /></td></tr>
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<tr class="memitem:ab543d69d50273a8adce9b54b145a28eb"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ab543d69d50273a8adce9b54b145a28eb">handleSoftPedal</a> (int midiChannel, bool isDown)</td></tr>
<tr class="memdesc:ab543d69d50273a8adce9b54b145a28eb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Can be overridden to handle soft pedal events.  <a href="#ab543d69d50273a8adce9b54b145a28eb">More...</a><br /></td></tr>
<tr class="separator:ab543d69d50273a8adce9b54b145a28eb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a542e7ea8aaed30728dfa72a898ae1a9f"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a542e7ea8aaed30728dfa72a898ae1a9f">handleProgramChange</a> (int midiChannel, int programNumber)</td></tr>
<tr class="memdesc:a542e7ea8aaed30728dfa72a898ae1a9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Can be overridden to handle an incoming program change message.  <a href="#a542e7ea8aaed30728dfa72a898ae1a9f">More...</a><br /></td></tr>
<tr class="separator:a542e7ea8aaed30728dfa72a898ae1a9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae0d6808e5a22bc3a56a68dab1f106ab8"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ae0d6808e5a22bc3a56a68dab1f106ab8">setCurrentPlaybackSampleRate</a> (double sampleRate)</td></tr>
<tr class="memdesc:ae0d6808e5a22bc3a56a68dab1f106ab8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tells the synthesiser what the sample rate is for the audio it's being used to render.  <a href="#ae0d6808e5a22bc3a56a68dab1f106ab8">More...</a><br /></td></tr>
<tr class="separator:ae0d6808e5a22bc3a56a68dab1f106ab8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a56b85b35ec0fbf296c58571ab5bc2ed8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8">renderNextBlock</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; float &gt; &amp;outputAudio, const <a class="el" href="classMidiBuffer.html">MidiBuffer</a> &amp;inputMidi, int startSample, int numSamples)</td></tr>
<tr class="memdesc:a56b85b35ec0fbf296c58571ab5bc2ed8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates the next block of audio output.  <a href="#a56b85b35ec0fbf296c58571ab5bc2ed8">More...</a><br /></td></tr>
<tr class="separator:a56b85b35ec0fbf296c58571ab5bc2ed8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a639d740854635aa4e962367b380c655a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a639d740854635aa4e962367b380c655a">renderNextBlock</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; double &gt; &amp;outputAudio, const <a class="el" href="classMidiBuffer.html">MidiBuffer</a> &amp;inputMidi, int startSample, int numSamples)</td></tr>
<tr class="separator:a639d740854635aa4e962367b380c655a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af48b8565967d86777ac5229559635bd6"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#af48b8565967d86777ac5229559635bd6">getSampleRate</a> () const noexcept</td></tr>
<tr class="memdesc:af48b8565967d86777ac5229559635bd6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the current target sample rate at which rendering is being done.  <a href="#af48b8565967d86777ac5229559635bd6">More...</a><br /></td></tr>
<tr class="separator:af48b8565967d86777ac5229559635bd6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4a8e6d1bffae06cbe61b69488c97fa49"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a4a8e6d1bffae06cbe61b69488c97fa49">setMinimumRenderingSubdivisionSize</a> (int numSamples, bool shouldBeStrict=false) noexcept</td></tr>
<tr class="memdesc:a4a8e6d1bffae06cbe61b69488c97fa49"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets a minimum limit on the size to which audio sub-blocks will be divided when rendering.  <a href="#a4a8e6d1bffae06cbe61b69488c97fa49">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a838f270e38f2c79c38a1085284f1fc41"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a838f270e38f2c79c38a1085284f1fc41">renderVoices</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; float &gt; &amp;outputAudio, int startSample, int numSamples)</td></tr>
<tr class="memdesc:a838f270e38f2c79c38a1085284f1fc41"><td class="mdescLeft">&#160;</td><td class="mdescRight">Renders the voices for the given range.  <a href="#a838f270e38f2c79c38a1085284f1fc41">More...</a><br /></td></tr>
<tr class="separator:a838f270e38f2c79c38a1085284f1fc41"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0682b53979e6f2ed5f08b385d155c60c"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a0682b53979e6f2ed5f08b385d155c60c">renderVoices</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; double &gt; &amp;outputAudio, int startSample, int numSamples)</td></tr>
<tr class="separator:a0682b53979e6f2ed5f08b385d155c60c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9e2681f24821206a0ea681cc72f5cffa"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a9e2681f24821206a0ea681cc72f5cffa">findFreeVoice</a> (<a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> *soundToPlay, int midiChannel, int midiNoteNumber, bool stealIfNoneAvailable) const</td></tr>
<tr class="memdesc:a9e2681f24821206a0ea681cc72f5cffa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Searches through the voices to find one that's not currently playing, and which can play the given sound.  <a href="#a9e2681f24821206a0ea681cc72f5cffa">More...</a><br /></td></tr>
<tr class="separator:a9e2681f24821206a0ea681cc72f5cffa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a472a534d47f7e02f1224e77a95eadb3b"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a472a534d47f7e02f1224e77a95eadb3b">findVoiceToSteal</a> (<a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> *soundToPlay, int midiChannel, int midiNoteNumber) const</td></tr>
<tr class="memdesc:a472a534d47f7e02f1224e77a95eadb3b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Chooses a voice that is most suitable for being re-used.  <a href="#a472a534d47f7e02f1224e77a95eadb3b">More...</a><br /></td></tr>
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<tr class="memitem:a7004a46197236e29ae67916f8932d0a4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a7004a46197236e29ae67916f8932d0a4">startVoice</a> (<a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *voice, <a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> *sound, int midiChannel, int midiNoteNumber, float velocity)</td></tr>
<tr class="memdesc:a7004a46197236e29ae67916f8932d0a4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Starts a specified voice playing a particular sound.  <a href="#a7004a46197236e29ae67916f8932d0a4">More...</a><br /></td></tr>
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<tr class="memitem:a715f8ad1d64d728fb2ab764acf939bdb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a715f8ad1d64d728fb2ab764acf939bdb">stopVoice</a> (<a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> *, float velocity, bool allowTailOff)</td></tr>
<tr class="memdesc:a715f8ad1d64d728fb2ab764acf939bdb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Stops a given voice.  <a href="#a715f8ad1d64d728fb2ab764acf939bdb">More...</a><br /></td></tr>
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<tr class="memitem:ae1b6110e669459c9b8571ade51dd9b91"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ae1b6110e669459c9b8571ade51dd9b91">handleMidiEvent</a> (const <a class="el" href="classMidiMessage.html">MidiMessage</a> &amp;)</td></tr>
<tr class="memdesc:ae1b6110e669459c9b8571ade51dd9b91"><td class="mdescLeft">&#160;</td><td class="mdescRight">Can be overridden to do custom handling of incoming midi events.  <a href="#ae1b6110e669459c9b8571ade51dd9b91">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:ab55f2810b6455736110264625a25c4a6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCriticalSection.html">CriticalSection</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ab55f2810b6455736110264625a25c4a6">lock</a></td></tr>
<tr class="memdesc:ab55f2810b6455736110264625a25c4a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">This is used to control access to the rendering callback and the note trigger methods.  <a href="#ab55f2810b6455736110264625a25c4a6">More...</a><br /></td></tr>
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<tr class="memitem:a260d964d6764a51b2315233e0bf76980"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classOwnedArray.html">OwnedArray</a>&lt; <a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#a260d964d6764a51b2315233e0bf76980">voices</a></td></tr>
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<tr class="memitem:ac64f99f204a1d5a567422cd9d5217081"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classReferenceCountedArray.html">ReferenceCountedArray</a>&lt; <a class="el" href="classSynthesiserSound.html">SynthesiserSound</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#ac64f99f204a1d5a567422cd9d5217081">sounds</a></td></tr>
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<tr class="memitem:acceafe04420ce625e025e4a73c370ce4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSynthesiser.html#acceafe04420ce625e025e4a73c370ce4">lastPitchWheelValues</a> [16]</td></tr>
<tr class="memdesc:acceafe04420ce625e025e4a73c370ce4"><td class="mdescLeft">&#160;</td><td class="mdescRight">The last pitch-wheel values for each midi channel.  <a href="#acceafe04420ce625e025e4a73c370ce4">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for a musical device that can play sounds. </p>
<p>To create a synthesiser, you'll need to create a subclass of <a class="el" href="classSynthesiserSound.html" title="Describes one of the sounds that a Synthesiser can play. ">SynthesiserSound</a> to describe each sound available to your synth, and a subclass of <a class="el" href="classSynthesiserVoice.html" title="Represents a voice that a Synthesiser can use to play a SynthesiserSound. ">SynthesiserVoice</a> which can play back one of these sounds.</p>
<p>Then you can use the <a class="el" href="classSynthesiser.html#a0806a426d99a36367c714b7d433d4d4e" title="Adds a new voice to the synth. ">addVoice()</a> and <a class="el" href="classSynthesiser.html#ac76a3fe3505d18da550eddec5d151cab" title="Adds a new sound to the synthesiser. ">addSound()</a> methods to give the synthesiser a set of sounds, and a set of voices it can use to play them. If you only give it one voice it will be monophonic - the more voices it has, the more polyphony it'll have available.</p>
<p>Then repeatedly call the <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a> method to produce the audio. Any midi events that go in will be scanned for note on/off messages, and these are used to start and stop the voices playing the appropriate sounds.</p>
<p>While it's playing, you can also cause notes to be triggered by calling the <a class="el" href="classSynthesiser.html#a488dbf4f02973011c95656eefc1fb862" title="Triggers a note-on event. ">noteOn()</a>, <a class="el" href="classSynthesiser.html#af67d93a1499cbd875c6187cbd4add517" title="Triggers a note-off event. ">noteOff()</a> and other controller methods.</p>
<p>Before rendering, be sure to call the <a class="el" href="classSynthesiser.html#ae0d6808e5a22bc3a56a68dab1f106ab8" title="Tells the synthesiser what the sample rate is for the audio it&#39;s being used to render. ">setCurrentPlaybackSampleRate()</a> to tell it what the target playback rate is. This value is passed on to the voices so that they can pitch their output correctly. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8c313d6f1fa875790e5c79dc621ee437">&sect;&nbsp;</a></span>Synthesiser()</h2>

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<p>Creates a new synthesiser. </p>
<p>You'll need to add some sounds and voices before it'll make any sound. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af92647b0dced33f5c3a99be3ddcfcd8e">&sect;&nbsp;</a></span>~Synthesiser()</h2>

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<p>Destructor. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a94391dd12deab56c0fa8079fd97e7f55">&sect;&nbsp;</a></span>clearVoices()</h2>

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<p>Deletes all voices. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ac8c97159cdb74440314ca50ad312d31a">&sect;&nbsp;</a></span>getNumVoices()</h2>

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<p>Returns the number of voices that have been added. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab81708603690f13cf5c29b8e7e7e519c">&sect;&nbsp;</a></span>getVoice()</h2>

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<p>Returns one of the voices that have been added. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a0806a426d99a36367c714b7d433d4d4e">&sect;&nbsp;</a></span>addVoice()</h2>

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<p>Adds a new voice to the synth. </p>
<p>All the voices should be the same class of object and are treated equally.</p>
<p>The object passed in will be managed by the synthesiser, which will delete it later on when no longer needed. The caller should not retain a pointer to the voice. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a5478d766609fad27af17ed011f2422dd">&sect;&nbsp;</a></span>removeVoice()</h2>

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<p>Deletes one of the voices. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af6dc83c7e8c7ce8e06a5fe08ae2e3018">&sect;&nbsp;</a></span>clearSounds()</h2>

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<p>Deletes all sounds. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aed27b08e9ce240546294b109a6c31c7e">&sect;&nbsp;</a></span>getNumSounds()</h2>

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<p>Returns the number of sounds that have been added to the synth. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a71626e6df15d04f19688a1f19e7a3285">&sect;&nbsp;</a></span>getSound()</h2>

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<p>Returns one of the sounds. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ac76a3fe3505d18da550eddec5d151cab">&sect;&nbsp;</a></span>addSound()</h2>

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<p>Adds a new sound to the synthesiser. </p>
<p>The object passed in is reference counted, so will be deleted when the synthesiser and all voices are no longer using it. </p>

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<p>Removes and deletes one of the sounds. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ae0bbfe2c3819167dc5d98b27b21843eb">&sect;&nbsp;</a></span>setNoteStealingEnabled()</h2>

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<p>If set to true, then the synth will try to take over an existing voice if it runs out and needs to play another note. </p>
<p>The value of this boolean is passed into <a class="el" href="classSynthesiser.html#a9e2681f24821206a0ea681cc72f5cffa" title="Searches through the voices to find one that&#39;s not currently playing, and which can play the given so...">findFreeVoice()</a>, so the result will depend on the implementation of this method. </p>

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<p>Returns true if note-stealing is enabled. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classSynthesiser.html#ae0bbfe2c3819167dc5d98b27b21843eb" title="If set to true, then the synth will try to take over an existing voice if it runs out and needs to pl...">setNoteStealingEnabled</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a488dbf4f02973011c95656eefc1fb862">&sect;&nbsp;</a></span>noteOn()</h2>

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<p>Triggers a note-on event. </p>
<p>The default method here will find all the sounds that want to be triggered by this note/channel. For each sound, it'll try to find a free voice, and use the voice to start playing the sound.</p>
<p>Subclasses might want to override this if they need a more complex algorithm.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<p>The midiChannel parameter is the channel, between 1 and 16 inclusive. </p>

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          <td class="paramname"><em>allowTailOff</em>&#160;</td>
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<p>Triggers a note-off event. </p>
<p>This will turn off any voices that are playing a sound for the given note/channel.</p>
<p>If allowTailOff is true, the voices will be allowed to fade out the notes gracefully (if they can do). If this is false, the notes will all be cut off immediately.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<p>The midiChannel parameter is the channel, between 1 and 16 inclusive. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ac39e7b038c545b92e9f69b47bce54934">&sect;&nbsp;</a></span>allNotesOff()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">bool&#160;</td>
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<p>Turns off all notes. </p>
<p>This will turn off any voices that are playing a sound on the given midi channel.</p>
<p>If midiChannel is 0 or less, then all voices will be turned off, regardless of which channel they're playing. Otherwise it represents a valid midi channel, from 1 to 16 inclusive.</p>
<p>If allowTailOff is true, the voices will be allowed to fade out the notes gracefully (if they can do). If this is false, the notes will all be cut off immediately.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aab0454e1b68d82aada5b7d4561b3af49">&sect;&nbsp;</a></span>handlePitchWheel()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiChannel</em>, </td>
        </tr>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>wheelValue</em>&#160;</td>
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<p>Sends a pitch-wheel message to any active voices. </p>
<p>This will send a pitch-wheel message to any voices that are playing sounds on the given midi channel.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">midiChannel</td><td>the midi channel, from 1 to 16 inclusive </td></tr>
    <tr><td class="paramname">wheelValue</td><td>the wheel position, from 0 to 0x3fff, as returned by <a class="el" href="classMidiMessage.html#aaa9675ccbce68b47067b512370e2ac20" title="Returns the pitch wheel position from a pitch-wheel move message. ">MidiMessage::getPitchWheelValue()</a> </td></tr>
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</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae2dc8a91aff04f2e23b6ac22b4dd80a8">&sect;&nbsp;</a></span>handleController()</h2>

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        </tr>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>controllerNumber</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>controllerValue</em>&#160;</td>
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<p>Sends a midi controller message to any active voices. </p>
<p>This will send a midi controller message to any voices that are playing sounds on the given midi channel.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">midiChannel</td><td>the midi channel, from 1 to 16 inclusive </td></tr>
    <tr><td class="paramname">controllerNumber</td><td>the midi controller type, as returned by <a class="el" href="classMidiMessage.html#a772acb26aa7f2cdc1992210b6d2d496a" title="Returns the controller number of a controller message. ">MidiMessage::getControllerNumber()</a> </td></tr>
    <tr><td class="paramname">controllerValue</td><td>the midi controller value, between 0 and 127, as returned by <a class="el" href="classMidiMessage.html#aa301aa18dace968d5ebb2f809fd52522" title="Returns the controller value from a controller message. ">MidiMessage::getControllerValue()</a> </td></tr>
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  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae92ed64d170257574b9009b3384bde01">&sect;&nbsp;</a></span>handleAftertouch()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiNoteNumber</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>aftertouchValue</em>&#160;</td>
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<p>Sends an aftertouch message. </p>
<p>This will send an aftertouch message to any voices that are playing sounds on the given midi channel and note number.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">midiChannel</td><td>the midi channel, from 1 to 16 inclusive </td></tr>
    <tr><td class="paramname">midiNoteNumber</td><td>the midi note number, 0 to 127 </td></tr>
    <tr><td class="paramname">aftertouchValue</td><td>the aftertouch value, between 0 and 127, as returned by MidiMessage::getAftertouchValue() </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#aa1f2fdbce8a6502c52c70d34c3e52697">&sect;&nbsp;</a></span>handleChannelPressure()</h2>

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          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramname"><em>channelPressureValue</em>&#160;</td>
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<p>Sends a channel pressure message. </p>
<p>This will send a channel pressure message to any voices that are playing sounds on the given midi channel.</p>
<p>This method will be called automatically according to the midi data passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a>, but may be called explicitly too.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">midiChannel</td><td>the midi channel, from 1 to 16 inclusive </td></tr>
    <tr><td class="paramname">channelPressureValue</td><td>the pressure value, between 0 and 127, as returned by <a class="el" href="classMidiMessage.html#aa9dc36194c26bb72f35d8522f60b3ac1" title="Returns the pressure from a channel pressure change message. ">MidiMessage::getChannelPressureValue()</a> </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a393f210a6c793d6d38221a346e961a23">&sect;&nbsp;</a></span>handleSustainPedal()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiChannel</em>, </td>
        </tr>
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          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>isDown</em>&#160;</td>
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<p>Handles a sustain pedal event. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a7876cd621f700a1500cfc026f082f2a4">&sect;&nbsp;</a></span>handleSostenutoPedal()</h2>

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          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>isDown</em>&#160;</td>
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<p>Handles a sostenuto pedal event. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab543d69d50273a8adce9b54b145a28eb">&sect;&nbsp;</a></span>handleSoftPedal()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>isDown</em>&#160;</td>
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<p>Can be overridden to handle soft pedal events. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a542e7ea8aaed30728dfa72a898ae1a9f">&sect;&nbsp;</a></span>handleProgramChange()</h2>

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          <td class="paramname"><em>midiChannel</em>, </td>
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          <td class="paramname"><em>programNumber</em>&#160;</td>
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<p>Can be overridden to handle an incoming program change message. </p>
<p>The base class implementation of this has no effect, but you may want to make your own synth react to program changes. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ae0d6808e5a22bc3a56a68dab1f106ab8">&sect;&nbsp;</a></span>setCurrentPlaybackSampleRate()</h2>

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          <td class="paramname"><em>sampleRate</em></td><td>)</td>
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<p>Tells the synthesiser what the sample rate is for the audio it's being used to render. </p>
<p>This value is propagated to the voices so that they can use it to render the correct pitches. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a56b85b35ec0fbf296c58571ab5bc2ed8">&sect;&nbsp;</a></span>renderNextBlock() <span class="overload">[1/2]</span></h2>

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          <td class="paramtype">const <a class="el" href="classMidiBuffer.html">MidiBuffer</a> &amp;&#160;</td>
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          <td class="paramname"><em>numSamples</em>&#160;</td>
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<p>Creates the next block of audio output. </p>
<p>This will process the next numSamples of data from all the voices, and add that output to the audio block supplied, starting from the offset specified. Note that the data will be added to the current contents of the buffer, so you should clear it before calling this method if necessary.</p>
<p>The midi events in the inputMidi buffer are parsed for note and controller events, and these are used to trigger the voices. Note that the startSample offset applies both to the audio output buffer and the midi input buffer, so any midi events with timestamps outside the specified region will be ignored. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a639d740854635aa4e962367b380c655a">&sect;&nbsp;</a></span>renderNextBlock() <span class="overload">[2/2]</span></h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>numSamples</em>&#160;</td>
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<h2 class="memtitle"><span class="permalink"><a href="#af48b8565967d86777ac5229559635bd6">&sect;&nbsp;</a></span>getSampleRate()</h2>

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<p>Returns the current target sample rate at which rendering is being done. </p>
<p>Subclasses may need to know this so that they can pitch things correctly. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4a8e6d1bffae06cbe61b69488c97fa49">&sect;&nbsp;</a></span>setMinimumRenderingSubdivisionSize()</h2>

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          <td class="paramname"><em>shouldBeStrict</em> = <code>false</code>&#160;</td>
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<p>Sets a minimum limit on the size to which audio sub-blocks will be divided when rendering. </p>
<p>When rendering, the audio blocks that are passed into <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a> will be split up into smaller blocks that lie between all the incoming midi messages, and it is these smaller sub-blocks that are rendered with multiple calls to <a class="el" href="classSynthesiser.html#a838f270e38f2c79c38a1085284f1fc41" title="Renders the voices for the given range. ">renderVoices()</a>.</p>
<p>Obviously in a pathological case where there are midi messages on every sample, then <a class="el" href="classSynthesiser.html#a838f270e38f2c79c38a1085284f1fc41" title="Renders the voices for the given range. ">renderVoices()</a> could be called once per sample and lead to poor performance, so this setting allows you to set a lower limit on the block size.</p>
<p>The default setting is 32, which means that midi messages are accurate to about &lt; 1ms accuracy, which is probably fine for most purposes, but you may want to increase or decrease this value for your synth.</p>
<p>If shouldBeStrict is true, the audio sub-blocks will strictly never be smaller than numSamples.</p>
<p>If shouldBeStrict is false (default), the first audio sub-block in the buffer is allowed to be smaller, to make sure that the first MIDI event in a buffer will always be sample-accurate (this can sometimes help to avoid quantisation or phasing issues). </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a838f270e38f2c79c38a1085284f1fc41">&sect;&nbsp;</a></span>renderVoices() <span class="overload">[1/2]</span></h2>

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<p>Renders the voices for the given range. </p>
<p>By default this just calls <a class="el" href="classSynthesiser.html#a56b85b35ec0fbf296c58571ab5bc2ed8" title="Creates the next block of audio output. ">renderNextBlock()</a> on each voice, but you may need to override it to handle custom cases. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a0682b53979e6f2ed5f08b385d155c60c">&sect;&nbsp;</a></span>renderVoices() <span class="overload">[2/2]</span></h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a9e2681f24821206a0ea681cc72f5cffa">&sect;&nbsp;</a></span>findFreeVoice()</h2>

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<p>Searches through the voices to find one that's not currently playing, and which can play the given sound. </p>
<p>Returns nullptr if all voices are busy and stealing isn't enabled.</p>
<p>To implement a custom note-stealing algorithm, you can either override this method, or (preferably) override <a class="el" href="classSynthesiser.html#a472a534d47f7e02f1224e77a95eadb3b" title="Chooses a voice that is most suitable for being re-used. ">findVoiceToSteal()</a>. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a472a534d47f7e02f1224e77a95eadb3b">&sect;&nbsp;</a></span>findVoiceToSteal()</h2>

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<p>Chooses a voice that is most suitable for being re-used. </p>
<p>The default method will attempt to find the oldest voice that isn't the bottom or top note being played. If that's not suitable for your synth, you can override this method and do something more cunning instead. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a7004a46197236e29ae67916f8932d0a4">&sect;&nbsp;</a></span>startVoice()</h2>

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<p>Starts a specified voice playing a particular sound. </p>
<p>You'll probably never need to call this, it's used internally by <a class="el" href="classSynthesiser.html#a488dbf4f02973011c95656eefc1fb862" title="Triggers a note-on event. ">noteOn()</a>, but may be needed by subclasses for custom behaviours. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a715f8ad1d64d728fb2ab764acf939bdb">&sect;&nbsp;</a></span>stopVoice()</h2>

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<p>Stops a given voice. </p>
<p>You should never need to call this, it's used internally by noteOff, but is protected in case it's useful for some custom subclasses. It basically just calls through to <a class="el" href="classSynthesiserVoice.html#ae1faf9289de24cdeb1d42289754601e6" title="Called to stop a note. ">SynthesiserVoice::stopNote()</a>, and has some assertions to sanity-check a few things. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ae1b6110e669459c9b8571ade51dd9b91">&sect;&nbsp;</a></span>handleMidiEvent()</h2>

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<p>Can be overridden to do custom handling of incoming midi events. </p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ab55f2810b6455736110264625a25c4a6">&sect;&nbsp;</a></span>lock</h2>

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          <td class="memname"><a class="el" href="classCriticalSection.html">CriticalSection</a> Synthesiser::lock</td>
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<p>This is used to control access to the rendering callback and the note trigger methods. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a260d964d6764a51b2315233e0bf76980">&sect;&nbsp;</a></span>voices</h2>

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          <td class="memname"><a class="el" href="classOwnedArray.html">OwnedArray</a>&lt;<a class="el" href="classSynthesiserVoice.html">SynthesiserVoice</a>&gt; Synthesiser::voices</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ac64f99f204a1d5a567422cd9d5217081">&sect;&nbsp;</a></span>sounds</h2>

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          <td class="memname"><a class="el" href="classReferenceCountedArray.html">ReferenceCountedArray</a>&lt;<a class="el" href="classSynthesiserSound.html">SynthesiserSound</a>&gt; Synthesiser::sounds</td>
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<h2 class="memtitle"><span class="permalink"><a href="#acceafe04420ce625e025e4a73c370ce4">&sect;&nbsp;</a></span>lastPitchWheelValues</h2>

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<p>The last pitch-wheel values for each midi channel. </p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__Synthesiser_8h.html">juce_Synthesiser.h</a></li>
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