diff --git a/MSVC/fdk-aac.vcxproj b/MSVC/fdk-aac.vcxproj
index e97adde..2035c14 100644
--- a/MSVC/fdk-aac.vcxproj
+++ b/MSVC/fdk-aac.vcxproj
@@ -5,77 +5,69 @@
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{D7D4B982-8B16-4A10-8B1C-9527BD789709}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
-    <RootNamespace>fdkaac</RootNamespace>
+    <RootNamespace>fdk-aac</RootNamespace>
+  </PropertyGroup>
+  <PropertyGroup>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath14)' != ''">v140_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath12)' != ''">v120_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath11)' != ''">v110_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == ''">v100</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <UseDebugLibraries>true</UseDebugLibraries>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-  <ImportGroup Label="ExtensionSettings">
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IntDir>$(Configuration)Lib\</IntDir>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <IntDir>$(Configuration)Lib\</IntDir>
-  </PropertyGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <ItemDefinitionGroup>
     <ClCompile>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>../fdk-aac/libaacenc/include;../fdk-aac/libFDK/include;../fdk-aac/libMpegTPEnc/include;../fdk-aac/libPCMutils/include;../fdk-aac/libSBRenc/include;../fdk-aac/libSYS/include</AdditionalIncludeDirectories>
-      <StringPooling>true</StringPooling>
     </ClCompile>
-    <Link>
-      <SubSystem>Windows</SubSystem>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
-    </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>NotUsing</PrecompiledHeader>
-      <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
-      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>../fdk-aac/libaacenc/include;../fdk-aac/libFDK/include;../fdk-aac/libMpegTPEnc/include;../fdk-aac/libPCMutils/include;../fdk-aac/libSBRenc/include;../fdk-aac/libSYS/include</AdditionalIncludeDirectories>
-      <StringPooling>true</StringPooling>
+      <Optimization>Disabled</Optimization>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <AdditionalOptions>/Qvec-report:1 %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Platform)'=='x64'">
+    <ClCompile>
+      <PreprocessorDefinitions>__x86_64__;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
-    <Link>
-      <SubSystem>Windows</SubSystem>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
-      <OptimizeReferences>true</OptimizeReferences>
-    </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\fdk-aac\libAACenc\src\aacenc.cpp" />
diff --git a/MSVC/fdkaac.sln b/MSVC/fdkaac.sln
index 5507930..5a4c448 100644
--- a/MSVC/fdkaac.sln
+++ b/MSVC/fdkaac.sln
@@ -8,17 +8,27 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
 		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Debug|Win32.ActiveCfg = Debug|Win32
 		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Debug|Win32.Build.0 = Debug|Win32
+		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Debug|x64.ActiveCfg = Debug|x64
+		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Debug|x64.Build.0 = Debug|x64
 		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Release|Win32.ActiveCfg = Release|Win32
 		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Release|Win32.Build.0 = Release|Win32
+		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Release|x64.ActiveCfg = Release|x64
+		{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}.Release|x64.Build.0 = Release|x64
 		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Debug|Win32.Build.0 = Debug|Win32
+		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Debug|x64.ActiveCfg = Debug|x64
+		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Debug|x64.Build.0 = Debug|x64
 		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Release|Win32.ActiveCfg = Release|Win32
 		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Release|Win32.Build.0 = Release|Win32
+		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Release|x64.ActiveCfg = Release|x64
+		{D7D4B982-8B16-4A10-8B1C-9527BD789709}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/MSVC/fdkaac.vcxproj b/MSVC/fdkaac.vcxproj
index 45488b2..0a59d91 100644
--- a/MSVC/fdkaac.vcxproj
+++ b/MSVC/fdkaac.vcxproj
@@ -5,57 +5,50 @@
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{E62D32CF-E308-40BD-9FF0-8266C6CAA9AA}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>fdkaac</RootNamespace>
   </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
+  <PropertyGroup>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath14)' != ''">v140_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath12)' != ''">v120_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == '' and '$(VCTargetsPath11)' != ''">v110_xp</PlatformToolset>
+    <PlatformToolset Condition="'$(PlatformToolset)' == ''">v100</PlatformToolset>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <UseDebugLibraries>true</UseDebugLibraries>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <UseDebugLibraries>false</UseDebugLibraries>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-  <ImportGroup Label="ExtensionSettings">
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <LinkIncremental>true</LinkIncremental>
-    <IntDir>cli_$(Configuration)\</IntDir>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <LinkIncremental>false</LinkIncremental>
-    <IntDir>$(Configuration)Cli\</IntDir>
-  </PropertyGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <ItemDefinitionGroup>
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>HAVE_STDINT_H;inline=__inline;_CRT_SECURE_NO_WARNINGS;WIN32;_CONSOLE;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>HAVE_STDINT_H;inline=__inline;_CRT_SECURE_NO_WARNINGS;WIN32;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>./include;../missings;.;..</AdditionalIncludeDirectories>
-      <StringPooling>true</StringPooling>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -69,31 +62,19 @@ copy ..\fdk-aac\libSYS\include\genericStds.h include\fdk-aac\
 copy ..\fdk-aac\libSYS\include\machine_type.h include\fdk-aac\ </Command>
     </PreBuildEvent>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
-      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>HAVE_STDINT_H;inline=__inline;_CRT_SECURE_NO_WARNINGS;WIN32;_CONSOLE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>./include;../missings;.;..</AdditionalIncludeDirectories>
-      <StringPooling>true</StringPooling>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
-    <PreBuildEvent>
-      <Command>copy ..\fdk-aac\libAACdec\include\aacdecoder_lib.h include\fdk-aac\ 
-copy ..\fdk-aac\libAACenc\include\aacenc_lib.h include\fdk-aac\ 
-copy ..\fdk-aac\libSYS\include\FDK_Audio.h include\fdk-aac\
-copy ..\fdk-aac\libSYS\include\genericStds.h include\fdk-aac\ 
-copy ..\fdk-aac\libSYS\include\machine_type.h include\fdk-aac\ </Command>
-    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\missings\getopt.c" />