diff --git a/StreamingKit-head.podspec b/StreamingKit-head.podspec
index 436d5c1..1911e7e 100644
--- a/StreamingKit-head.podspec
+++ b/StreamingKit-head.podspec
@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.platform     = :ios
   s.requires_arc = true
   s.source_files = 'StreamingKit/StreamingKit/*.{h,m}'
-  s.ios.deployment_target = '4.3'
+  s.ios.deployment_target = '5.0'
   s.ios.frameworks   = 'SystemConfiguration', 'CFNetwork', 'CoreFoundation', 'AudioToolbox'
   s.osx.deployment_target = '10.7'
   s.osx.frameworks   = 'SystemConfiguration', 'CFNetwork', 'CoreFoundation', 'AudioToolbox', 'AudioUnit'
diff --git a/StreamingKit.podspec b/StreamingKit.podspec
index c5e80df..8f440a8 100644
--- a/StreamingKit.podspec
+++ b/StreamingKit.podspec
@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.platform     = :ios
   s.requires_arc = true
   s.source_files = 'StreamingKit/StreamingKit/*.{h,m}'
-  s.ios.deployment_target = '4.3'
+  s.ios.deployment_target = '5.0'
   s.ios.frameworks   = 'SystemConfiguration', 'CFNetwork', 'CoreFoundation', 'AudioToolbox'
   s.osx.deployment_target = '10.7'
   s.osx.frameworks   = 'SystemConfiguration', 'CFNetwork', 'CoreFoundation', 'AudioToolbox', 'AudioUnit'
diff --git a/StreamingKit/StreamingKit.xcodeproj/project.pbxproj b/StreamingKit/StreamingKit.xcodeproj/project.pbxproj
index e013273..5d6b289 100644
--- a/StreamingKit/StreamingKit.xcodeproj/project.pbxproj
+++ b/StreamingKit/StreamingKit.xcodeproj/project.pbxproj
@@ -693,7 +693,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 			};
@@ -724,7 +724,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				SDKROOT = iphoneos;
 				VALIDATE_PRODUCT = YES;
 			};
diff --git a/StreamingKit/StreamingKit/STKAudioPlayer.m b/StreamingKit/StreamingKit/STKAudioPlayer.m
index 3c698e8..f9ad2ae 100755
--- a/StreamingKit/StreamingKit/STKAudioPlayer.m
+++ b/StreamingKit/StreamingKit/STKAudioPlayer.m
@@ -3190,6 +3190,16 @@ static OSStatus OutputRenderCallback(void* inRefCon, AudioUnitRenderActionFlags*
 	return peakPowerDb[channelNumber];
 }
 
+-(void) setPeakPowerInDecibelsForChannel:(NSUInteger)channelNumber andPower: (Float32)power
+{
+    if (channelNumber >= canonicalAudioStreamBasicDescription.mChannelsPerFrame)
+    {
+        return;
+    }
+    
+    peakPowerDb[channelNumber] = power;
+}
+
 -(float) averagePowerInDecibelsForChannel:(NSUInteger)channelNumber
 {
 	if (channelNumber >= canonicalAudioStreamBasicDescription.mChannelsPerFrame)
@@ -3200,6 +3210,16 @@ static OSStatus OutputRenderCallback(void* inRefCon, AudioUnitRenderActionFlags*
 	return averagePowerDb[channelNumber];
 }
 
+-(void) setAveragePowerInDecibelsForChannel:(NSUInteger)channelNumber andPower: (Float32)power
+{
+    if (channelNumber >= canonicalAudioStreamBasicDescription.mChannelsPerFrame)
+    {
+        return;
+    }
+    
+    averagePowerDb[channelNumber] = power;
+}
+
 -(BOOL) meteringEnabled
 {
 	return self->meteringEnabled;
@@ -3237,6 +3257,8 @@ static OSStatus OutputRenderCallback(void* inRefCon, AudioUnitRenderActionFlags*
 	}
 	else
 	{
+		__weak STKAudioPlayer* weakSelf = self;
+        
 		[self appendFrameFilterWithName:@"STKMeteringFilter" block:^(UInt32 channelsPerFrame, UInt32 bytesPerFrame, UInt32 frameCount, void* frames)
 		{
 			SInt16* samples16 = (SInt16*)frames;
@@ -3279,17 +3301,17 @@ static OSStatus OutputRenderCallback(void* inRefCon, AudioUnitRenderActionFlags*
 				return;
 			}
 			
-			peakPowerDb[0] = MIN(MAX(decibelsLeft, -60), 0);
-			peakPowerDb[1] = MIN(MAX(decibelsRight, -60), 0);
+			[weakSelf setPeakPowerInDecibelsForChannel:0 andPower:MIN(MAX(decibelsLeft, -60), 0)];
+			[weakSelf setPeakPowerInDecibelsForChannel:1 andPower:MIN(MAX(decibelsRight, -60), 0)];
 			
 			if (countLeft > 0)
 			{
-				averagePowerDb[0] = MIN(MAX(totalValueLeft / frameCount, -60), 0);
+				[weakSelf setAveragePowerInDecibelsForChannel:0 andPower:MIN(MAX(totalValueLeft / frameCount, -60), 0)];
 			}
 			
 			if (countRight != 0)
 			{
-				averagePowerDb[1] = MIN(MAX(totalValueRight / frameCount, -60), 0);
+				[weakSelf setAveragePowerInDecibelsForChannel:1 andPower:MIN(MAX(totalValueRight / frameCount, -60), 0)];
 			}
 		}];
 	}