diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index 5bab348..ceea94a 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -224,6 +224,15 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
 		m_rec_pos = (m_rec_pos + buffer.getNumSamples()) % recbuflenframes;
 		return;
 	}
+    /*
+    for (int i=0;i<buffer.getNumSamples();++i)
+    {
+        buffer.setSample(0, i, 0.1*sin(2*3.141592/44100*m_phase*440));
+        buffer.setSample(1, i, 0.1*sin(2*3.141592/44100*m_phase*440));
+        m_phase+=1.0;
+    }
+    return;
+     */
 	m_control->getStretchAudioSource()->val_MainVolume = (float)*getFloatParameter(0);
 	m_control->getStretchAudioSource()->setRate(*getFloatParameter(1));
 	m_control->getStretchAudioSource()->val_XFadeLen = 0.1;
diff --git a/Source/PluginProcessor.h b/Source/PluginProcessor.h
index 85f6a90..3042a5a 100644
--- a/Source/PluginProcessor.h
+++ b/Source/PluginProcessor.h
@@ -79,7 +79,7 @@ private:
 	int m_cur_num_out_chans = 2;
 	std::mutex m_mutex;
 	File m_current_file;
-	
+    double m_phase = 0.0;
 	//==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessor)
 };
diff --git a/paulstretchplugin.jucer b/paulstretchplugin.jucer
index 933885a..902ea94 100644
--- a/paulstretchplugin.jucer
+++ b/paulstretchplugin.jucer
@@ -57,7 +57,7 @@
         <CONFIGURATION name="Debug" enablePluginBinaryCopyStep="1" isDebug="1" optimisation="1"
                        linkTimeOptimisation="0" targetName="paulstretchplugin" headerPath="Source/PS_Source&#10;Source/WDL&#10;"
                        libraryPath="/usr/local/Cellar/fftw/3.3.6-pl2/lib" cppLibType="libc++"
-                       osxArchitecture="64BitIntel" osxCompatibility="10.9 SDK"/>
+                       osxArchitecture="64BitIntel" osxCompatibility="10.12 SDK"/>
         <CONFIGURATION name="Release" enablePluginBinaryCopyStep="1" isDebug="0" optimisation="3"
                        linkTimeOptimisation="1" targetName="paulstretchplugin" headerPath="Source/PS_Source&#10;Source/WDL&#10;"
                        osxCompatibility="10.9 SDK" osxArchitecture="64BitIntel" cppLibType="libc++"