diff --git a/libnyquist.vcxproj/libnyquist.sln b/libnyquist.vcxproj/libnyquist.sln
index 98bb8c6..f811bbe 100644
--- a/libnyquist.vcxproj/libnyquist.sln
+++ b/libnyquist.vcxproj/libnyquist.sln
@@ -8,13 +8,19 @@ 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
 		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Debug|Win32.Build.0 = Debug|Win32
+		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Debug|x64.ActiveCfg = Debug|x64
+		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Debug|x64.Build.0 = Debug|x64
 		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Release|Win32.ActiveCfg = Release|Win32
 		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Release|Win32.Build.0 = Release|Win32
+		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Release|x64.ActiveCfg = Release|x64
+		{0EEC3739-F60A-4B90-8B75-9E1AFF28106A}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/libnyquist.vcxproj/libnyquist.vcxproj b/libnyquist.vcxproj/libnyquist.vcxproj
index 1d2bd59..89238f5 100644
--- a/libnyquist.vcxproj/libnyquist.vcxproj
+++ b/libnyquist.vcxproj/libnyquist.vcxproj
@@ -5,10 +5,18 @@
       <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>
   <ItemGroup>
     <ClCompile Include="$(ProjectDir)..\src\AudioDecoder.cpp" />
@@ -66,6 +74,12 @@
     <PlatformToolset>v120</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
@@ -73,15 +87,28 @@
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
   <Import Project="$(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 Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" 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>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" 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 />
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@@ -96,6 +123,18 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_MBCS;D_SCL_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNING;WIN32;_WIN32;USE_ALLOCA;OPUS_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\third_party\;$(ProjectDir)..\include\libnyquist\;$(ProjectDir)..\third_party\libvorbis\include;$(ProjectDir)..\third_party\libogg\include;$(ProjectDir)..\third_party\wavpack\include;$(ProjectDir)..\third_party\flac\src\include;$(ProjectDir)..\third_party\opus\celt;$(ProjectDir)..\third_party\opus\libopus\include;$(ProjectDir)..\third_party\opus\libopus\src;$(ProjectDir)..\third_party\opus\opusfile\include;$(ProjectDir)..\third_party\opus\opusfile\src;$(ProjectDir)..\third_party\opus\opusfile\src\include;$(ProjectDir)..\third_party\opus\silk;$(ProjectDir)..\third_party\opus\silk\float;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
@@ -112,6 +151,22 @@
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_MBCS;D_SCL_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNING;WIN32;_WIN32;USE_ALLOCA;OPUS_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\third_party\;$(ProjectDir)..\include\libnyquist\;$(ProjectDir)..\third_party\libvorbis\include;$(ProjectDir)..\third_party\libogg\include;$(ProjectDir)..\third_party\wavpack\include;$(ProjectDir)..\third_party\flac\src\include;$(ProjectDir)..\third_party\opus\celt;$(ProjectDir)..\third_party\opus\libopus\include;$(ProjectDir)..\third_party\opus\libopus\src;$(ProjectDir)..\third_party\opus\opusfile\include;$(ProjectDir)..\third_party\opus\opusfile\src;$(ProjectDir)..\third_party\opus\opusfile\src\include;$(ProjectDir)..\third_party\opus\silk;$(ProjectDir)..\third_party\opus\silk\float;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>