diff --git a/src/projectM-engine/projectM.cpp b/src/projectM-engine/projectM.cpp
index de9c939f8..43fcb9875 100755
--- a/src/projectM-engine/projectM.cpp
+++ b/src/projectM-engine/projectM.cpp
@@ -73,7 +73,8 @@ projectM *projectM::currentEngine = NULL;
 RenderTarget * projectM::renderTarget = NULL;
 Renderer * projectM::renderer = NULL;
 
-float smoothTime = 5;
+double presetDuration = 15;
+double smoothDuration = 5;
 //int smoothFrame = 0;
 int oldFrame = 0;
 
@@ -146,7 +147,7 @@ DLLEXPORT void projectM::renderFrame()
 	      assert(m_activePreset2.get());
 
              nohard=(int)(presetInputs.fps*3.5);
-             smoothFrame = (int)(presetInputs.fps * smoothTime);
+             smoothFrame = (int)(presetInputs.fps * smoothDuration);
 	    
               printf("SOFT CUT - Smooth started\n");
 	    }	  	  
@@ -182,8 +183,10 @@ DLLEXPORT void projectM::renderFrame()
 	    renderer->PerPixelMath(&m_activePreset2->presetOutputs(), &presetInputs);
 	    renderer->WaveformMath(&m_activePreset2->presetOutputs(), &presetInputs, true);
  
-	    double ratio = smoothFrame / (presetInputs.fps * smoothTime); 
-
+            //double pos = -((smoothFrame / (presetInputs.fps * smoothDuration))-1);
+	    //double ratio = 1/(1 + exp((pos-0.5)*4*M_PI));
+	    double ratio = smoothFrame / (presetInputs.fps * smoothDuration);
+	    // printf("f(%f)=%f\n",pos, ratio);
 	    PresetMerger::MergePresets(m_activePreset->presetOutputs(),m_activePreset2->presetOutputs(),ratio,presetInputs.gx, presetInputs.gy);
 
             //printf("Smooth:%d\n",smoothFrame);
@@ -448,7 +451,7 @@ DLLEXPORT void projectM::projectM_init ( int gx, int gy, int fps, int texsize, i
 	DWRITE ( "post PCM init\n" );
 #endif
 
-	this->avgtime=this->presetInputs.fps*10;
+	this->avgtime=this->presetInputs.fps*presetDuration;
 
 	this->hasInit = 1;