diff --git a/source/SoundStretch/soundstretch.vcproj b/source/SoundStretch/soundstretch.vcproj
index 1ba1028..5643c1b 100644
--- a/source/SoundStretch/soundstretch.vcproj
+++ b/source/SoundStretch/soundstretch.vcproj
@@ -87,8 +87,10 @@
 			CharacterSet="2">
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
+				Optimization="3"
+				GlobalOptimizations="FALSE"
+				InlineFunctionExpansion="2"
+				EnableIntrinsicFunctions="TRUE"
 				AdditionalIncludeDirectories="..\..\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS"
 				StringPooling="TRUE"
@@ -100,7 +102,7 @@
 				ProgramDataBaseFileName=".\Release/"
 				WarningLevel="3"
 				SuppressStartupBanner="TRUE"
-				DebugInformationFormat="3"
+				DebugInformationFormat="0"
 				CompileAs="0"/>
 			<Tool
 				Name="VCCustomBuildTool"/>
@@ -111,7 +113,7 @@
 				LinkIncremental="1"
 				SuppressStartupBanner="TRUE"
 				AdditionalLibraryDirectories="..\..\lib"
-				GenerateDebugInformation="TRUE"
+				GenerateDebugInformation="FALSE"
 				GenerateMapFile="TRUE"
 				MapFileName=".\Release/soundstretch.map"
 				SubSystem="1"
diff --git a/source/SoundTouch/SoundTouch.vcproj b/source/SoundTouch/SoundTouch.vcproj
index a9b3ffe..51a9b57 100644
--- a/source/SoundTouch/SoundTouch.vcproj
+++ b/source/SoundTouch/SoundTouch.vcproj
@@ -21,8 +21,9 @@
 			CharacterSet="2">
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
+				Optimization="3"
+				InlineFunctionExpansion="2"
+				EnableIntrinsicFunctions="TRUE"
 				AdditionalIncludeDirectories="..\..\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
 				StringPooling="TRUE"
@@ -35,7 +36,7 @@
 				ProgramDataBaseFileName=".\Release/"
 				WarningLevel="3"
 				SuppressStartupBanner="TRUE"
-				DebugInformationFormat="3"
+				DebugInformationFormat="0"
 				CompileAs="0"/>
 			<Tool
 				Name="VCCustomBuildTool"/>
diff --git a/source/SoundTouchDLL/SoundTouchDLL.vcproj b/source/SoundTouchDLL/SoundTouchDLL.vcproj
index f9cd4f3..5d93fa8 100644
--- a/source/SoundTouchDLL/SoundTouchDLL.vcproj
+++ b/source/SoundTouchDLL/SoundTouchDLL.vcproj
@@ -74,6 +74,8 @@ copy $(OutDir)\*.lib ..\..\lib
 				Name="VCCLCompilerTool"
 				Optimization="3"
 				GlobalOptimizations="FALSE"
+				InlineFunctionExpansion="2"
+				EnableIntrinsicFunctions="TRUE"
 				OmitFramePointers="FALSE"
 				AdditionalIncludeDirectories="..\..\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CRT_SECURE_NO_WARNINGS;DLL_EXPORTS"
@@ -81,7 +83,7 @@ copy $(OutDir)\*.lib ..\..\lib
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="TRUE"
-				DebugInformationFormat="3"
+				DebugInformationFormat="0"
 				CallingConvention="0"/>
 			<Tool
 				Name="VCCustomBuildTool"/>