diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 6d272b757c..4265f330c4 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -952,7 +952,15 @@ void Application::mousePressEvent(QMouseEvent* event) {
                 _hoverVoxelOriginalColor[1] = _hoverVoxel.green;
                 _hoverVoxelOriginalColor[2] = _hoverVoxel.blue;
                 _hoverVoxelOriginalColor[3] = 1;
-                _audio.startCollisionSound(1.0, HOVER_VOXEL_FREQUENCY * _hoverVoxel.s * TREE_SCALE, 0.0, HOVER_VOXEL_DECAY);
+                const float RED_CLICK_FREQUENCY = 1000.f;
+                const float GREEN_CLICK_FREQUENCY = 1250.f;
+                const float BLUE_CLICK_FREQUENCY = 1330.f;
+                const float MIDDLE_A_FREQUENCY = 440.f;
+                float frequency = MIDDLE_A_FREQUENCY + ((float)_hoverVoxel.red / 255.f * RED_CLICK_FREQUENCY +
+                                   (float)_hoverVoxel.green / 255.f * GREEN_CLICK_FREQUENCY +
+                                   (float)_hoverVoxel.blue / 255.f * BLUE_CLICK_FREQUENCY) / 3.f;
+                
+                _audio.startCollisionSound(1.0, frequency, 0.0, HOVER_VOXEL_DECAY);
                 _isHoverVoxelSounding = true;
             }
             
diff --git a/interface/src/Audio.cpp b/interface/src/Audio.cpp
index 3e011f5e05..add56df80c 100644
--- a/interface/src/Audio.cpp
+++ b/interface/src/Audio.cpp
@@ -704,7 +704,7 @@ void Audio::addProceduralSounds(int16_t* inputBuffer,
     float speed = glm::length(_lastVelocity);
     float volume = VOLUME_BASELINE * (1.f - speed / MAX_AUDIBLE_VELOCITY);
     
-    int sample;
+    float sample;
     
     //
     // Travelling noise
@@ -724,13 +724,16 @@ void Audio::addProceduralSounds(int16_t* inputBuffer,
     if (_collisionSoundMagnitude > COLLISION_SOUND_CUTOFF_LEVEL) {
         for (int i = 0; i < numSamples; i++) {
             t = (float) _proceduralEffectSample + (float) i;
+            
             sample = sinf(t * _collisionSoundFrequency) +
                      sinf(t * _collisionSoundFrequency / DOWN_TWO_OCTAVES) +
                      sinf(t * _collisionSoundFrequency / DOWN_FOUR_OCTAVES * UP_MAJOR_FIFTH);
             sample *= _collisionSoundMagnitude * COLLISION_SOUND_MAX_VOLUME;
-            inputBuffer[i] += sample;
-            outputLeft[i] += sample;
-            outputRight[i] += sample;
+             
+            
+            inputBuffer[i] += (int) sample;
+            outputLeft[i] += (int) sample;
+            outputRight[i] += (int) sample;
             _collisionSoundMagnitude *= _collisionSoundDuration;
         }
     }