diff --git a/src/emucore/EmulationTiming.cxx b/src/emucore/EmulationTiming.cxx
index a02aa8539..b9651f46f 100644
--- a/src/emucore/EmulationTiming.cxx
+++ b/src/emucore/EmulationTiming.cxx
@@ -176,12 +176,12 @@ void EmulationTiming::recalculate()
 
   switch (myConsoleTiming) {
     case ConsoleTiming::ntsc:
-      myAudioSampleRate = round(mySpeedFactor * 262 * 76 * 60) / 38;
+      myAudioSampleRate = uInt32(round(mySpeedFactor * 262 * 76 * 60) / 38);
       break;
 
     case ConsoleTiming::pal:
     case ConsoleTiming::secam:
-      myCyclesPerSecond = round(mySpeedFactor * 312 * 76 * 50) / 38;
+      myCyclesPerSecond = uInt32(round(mySpeedFactor * 312 * 76 * 50) / 38);
       break;
 
     default:
@@ -191,9 +191,9 @@ void EmulationTiming::recalculate()
   myCyclesPerSecond = myAudioSampleRate * 38;
 
   myCyclesPerFrame = 76 * myLinesPerFrame;
-  myMaxCyclesPerTimeslice = round(mySpeedFactor * myCyclesPerFrame * 2);
-  myMinCyclesPerTimeslice = round(mySpeedFactor * myCyclesPerFrame / 2);
-  myAudioFragmentSize = round(mySpeedFactor * AUDIO_HALF_FRAMES_PER_FRAGMENT * myLinesPerFrame);
+  myMaxCyclesPerTimeslice = uInt32(round(mySpeedFactor * myCyclesPerFrame * 2));
+  myMinCyclesPerTimeslice = uInt32(round(mySpeedFactor * myCyclesPerFrame / 2));
+  myAudioFragmentSize = uInt32(round(mySpeedFactor * AUDIO_HALF_FRAMES_PER_FRAGMENT * myLinesPerFrame));
 
   myPrebufferFragmentCount = discreteDivCeil(
     myPlaybackPeriod * myAudioSampleRate,
diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index 9de68a454..4e76487cd 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -229,6 +229,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\common\AudioQueue.cxx" />
+    <ClCompile Include="..\common\AudioSettings.cxx" />
     <ClCompile Include="..\common\audio\ConvolutionBuffer.cxx" />
     <ClCompile Include="..\common\audio\LanczosResampler.cxx" />
     <ClCompile Include="..\common\audio\SimpleResampler.cxx" />
@@ -520,6 +521,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\AudioQueue.hxx" />
+    <ClInclude Include="..\common\AudioSettings.hxx" />
     <ClInclude Include="..\common\audio\ConvolutionBuffer.hxx" />
     <ClInclude Include="..\common\audio\LanczosResampler.hxx" />
     <ClInclude Include="..\common\audio\Resampler.hxx" />
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 4c27c863a..ccfb0362c 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -930,6 +930,9 @@
     <ClCompile Include="..\emucore\EmulationWorker.cxx">
       <Filter>Source Files\emucore</Filter>
     </ClCompile>
+    <ClCompile Include="..\common\AudioSettings.cxx">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\bspf.hxx">
@@ -1901,6 +1904,9 @@
     <ClInclude Include="..\emucore\EmulationWorker.hxx">
       <Filter>Header Files\emucore</Filter>
     </ClInclude>
+    <ClInclude Include="..\common\AudioSettings.hxx">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="stella.ico">