diff --git a/TheAmazingAudioEngine/Renderers/AERenderer.m b/TheAmazingAudioEngine/Renderers/AERenderer.m
index f2516c2..e3297ce 100644
--- a/TheAmazingAudioEngine/Renderers/AERenderer.m
+++ b/TheAmazingAudioEngine/Renderers/AERenderer.m
@@ -27,6 +27,7 @@
 #import "AERenderer.h"
 #import "AETypes.h"
 #import "AEManagedValue.h"
+#import "AEDSPUtilities.h"
 
 NSString * const AERendererDidChangeSampleRateNotification = @"AERendererDidChangeSampleRateNotification";
 NSString * const AERendererDidChangeChannelCountNotification = @"AERendererDidChangeChannelCountNotification";
@@ -56,9 +57,7 @@ void AERendererRun(__unsafe_unretained AERenderer * THIS, AudioBufferList * buff
     AEBufferStackSetFrameCount(THIS->_stack, frames);
     
     // Clear the output buffer
-    for ( int i=0; i<bufferList->mNumberBuffers; i++ ) {
-        memset(bufferList->mBuffers[i].mData, 0, frames * AEAudioDescription.mBytesPerFrame);
-    }
+	AEDSPClearBufferList(bufferList, frames);
     
     // Run the block
     __unsafe_unretained AERenderLoopBlock block = (__bridge AERenderLoopBlock)AEManagedValueGetValue(THIS->_blockValue);
diff --git a/TheAmazingAudioEngine/Utilities/AEDSPUtilities.h b/TheAmazingAudioEngine/Utilities/AEDSPUtilities.h
index b99dbac..3f949e7 100644
--- a/TheAmazingAudioEngine/Utilities/AEDSPUtilities.h
+++ b/TheAmazingAudioEngine/Utilities/AEDSPUtilities.h
@@ -31,6 +31,25 @@
 extern "C" {
 #endif
 
+/*
+	Clear buffers in AudioBufferList using AEDSPClearAudioBuffer
+	
+	@param listPtr Pointer to AudioBufferList struct
+	@param frameCount Number of frames to clear in each AudioBuffer
+*/
+void AEDSPClearBufferList(AudioBufferList *listPtr, UInt32 frameCount);
+
+
+/*
+	Clear buffer to zero using vDSP_vclr and set mDataByteSize accordingly
+	
+	@param bufferPtr Pointer to AudioBuffer struct
+	@param frameCount Number of frames to clear, 
+			mDataByteSize field will be set accordingly
+*/
+void AEDSPClearAudioBuffer(AudioBuffer *bufferPtr, UInt32 frameCount);
+
+
 /*!
  * Scale values in a buffer list by some gain value
  *
diff --git a/TheAmazingAudioEngine/Utilities/AEDSPUtilities.m b/TheAmazingAudioEngine/Utilities/AEDSPUtilities.m
index 486b7a5..a0d13d8 100644
--- a/TheAmazingAudioEngine/Utilities/AEDSPUtilities.m
+++ b/TheAmazingAudioEngine/Utilities/AEDSPUtilities.m
@@ -9,6 +9,19 @@
 #import "AEDSPUtilities.h"
 @import Accelerate;
 
+void AEDSPClearBufferList(AudioBufferList *listPtr, UInt32 frameCount)
+{
+	for (UInt32 n = listPtr->mNumberBuffers; n != 0;)
+	{ AEDSPClearAudioBuffer(&listPtr->mBuffers[(n-=1)], frameCount); }
+}
+
+void AEDSPClearAudioBuffer(AudioBuffer *buffer, UInt32 frameCount)
+{
+	buffer->mDataByteSize = buffer->mNumberChannels * frameCount * sizeof(float);
+	vDSP_vclr(buffer->mData, 1, frameCount);
+}
+
+
 static const UInt32 kGainSmoothingRampDuration = 128;
 static const float kGainSmoothingRampStep = 1.0 / kGainSmoothingRampDuration;
 static const float kSmoothGainThreshold = kGainSmoothingRampStep;