diff --git a/tests/mal_build_tests_emscripten.bat b/tests/mal_build_tests_emscripten.bat
index 36b1354d..082d8cbf 100644
--- a/tests/mal_build_tests_emscripten.bat
+++ b/tests/mal_build_tests_emscripten.bat
@@ -1 +1,2 @@
-emcc ./mal_test_0.c -o ./bin/mal_test_0_emscripten.html -s WASM=0 -std=c99
\ No newline at end of file
+emcc ./mal_test_0.c -o ./bin/mal_test_0_emscripten.html -s WASM=0 -std=c99
+emcc ./mal_duplex.c -o ./bin/mal_duplex.html            -s WASM=0 -std=c99
\ No newline at end of file
diff --git a/tests/mal_build_tests_linux b/tests/mal_build_tests_linux
index 96074b57..183226b7 100644
--- a/tests/mal_build_tests_linux
+++ b/tests/mal_build_tests_linux
@@ -6,4 +6,6 @@ cc  mal_profiling.c -o ./bin/mal_profiling     -Wall -ldl -lpthread -lm
 c++ mal_profiling.c -o ./bin/mal_profiling_cpp -Wall -ldl -lpthread -lm
 
 cc  mal_dithering.c -o ./bin/mal_dithering     -Wall -ldl -lpthread -lm
-c++ mal_dithering.c -o ./bin/mal_dithering_cpp -Wall -ldl -lpthread -lm
\ No newline at end of file
+c++ mal_dithering.c -o ./bin/mal_dithering_cpp -Wall -ldl -lpthread -lm
+
+cc  mal_duplex.c    -o ./bin/mal_duplex        -Wall -ldl -lpthread -lm
diff --git a/tests/mal_test_0.vcxproj b/tests/mal_test_0.vcxproj
index ffe67adb..891c4f9d 100644
--- a/tests/mal_test_0.vcxproj
+++ b/tests/mal_test_0.vcxproj
@@ -272,11 +272,11 @@
     </ClCompile>
     <ClCompile Include="..\examples\simple_capture.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\examples\simple_enumeration.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
@@ -319,7 +319,7 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="mal_duplex.c">
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</ExcludedFromBuild>
@@ -359,12 +359,12 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="mal_test_0.c">
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="mal_test_0.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
@@ -386,7 +386,6 @@
   <ItemGroup>
     <ClInclude Include="..\mini_al.h" />
     <ClInclude Include="..\research\mal_resampler.h" />
-    <ClInclude Include="..\research\mal_ring_buffer.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/tests/mal_test_0.vcxproj.filters b/tests/mal_test_0.vcxproj.filters
index 20c33555..f955da89 100644
--- a/tests/mal_test_0.vcxproj.filters
+++ b/tests/mal_test_0.vcxproj.filters
@@ -68,8 +68,5 @@
     <ClInclude Include="..\research\mal_resampler.h">
       <Filter>Source Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\research\mal_ring_buffer.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file