diff --git a/libs/voipcodecs/libvoipcodecs.vcproj b/libs/voipcodecs/libvoipcodecs.vcproj
index 21aa075958..1ab75ee53e 100644
--- a/libs/voipcodecs/libvoipcodecs.vcproj
+++ b/libs/voipcodecs/libvoipcodecs.vcproj
@@ -20,7 +20,7 @@
 			Name="Debug|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
 			IntermediateDirectory="$(ConfigurationName)"
-			ConfigurationType="2"
+			ConfigurationType="4"
 			CharacterSet="1"
 			>
 			<Tool
@@ -48,7 +48,6 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="4"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="4"
 			/>
 			<Tool
@@ -61,21 +60,11 @@
 				Name="VCPreLinkEventTool"
 			/>
 			<Tool
-				Name="VCLinkerTool"
-				LinkIncremental="2"
-				ModuleDefinitionFile="src/msvc/voipcodecs.def"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
+				Name="VCLibrarianTool"
 			/>
 			<Tool
 				Name="VCALinkTool"
 			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
 			<Tool
 				Name="VCXDCMakeTool"
 			/>
@@ -85,9 +74,6 @@
 			<Tool
 				Name="VCFxCopTool"
 			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
 			<Tool
 				Name="VCPostBuildEventTool"
 			/>
@@ -96,7 +82,7 @@
 			Name="Release|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
 			IntermediateDirectory="$(ConfigurationName)"
-			ConfigurationType="2"
+			ConfigurationType="4"
 			CharacterSet="1"
 			WholeProgramOptimization="1"
 			>
@@ -122,7 +108,6 @@
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="4"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -135,23 +120,11 @@
 				Name="VCPreLinkEventTool"
 			/>
 			<Tool
-				Name="VCLinkerTool"
-				LinkIncremental="1"
-				ModuleDefinitionFile="src/msvc/voipcodecs.def"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
+				Name="VCLibrarianTool"
 			/>
 			<Tool
 				Name="VCALinkTool"
 			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
 			<Tool
 				Name="VCXDCMakeTool"
 			/>
@@ -161,9 +134,6 @@
 			<Tool
 				Name="VCFxCopTool"
 			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
 			<Tool
 				Name="VCPostBuildEventTool"
 			/>
diff --git a/libs/voipcodecs/src/voipcodecs/dc_restore.h b/libs/voipcodecs/src/voipcodecs/dc_restore.h
index 7846f37f46..4b65b9d77c 100644
--- a/libs/voipcodecs/src/voipcodecs/dc_restore.h
+++ b/libs/voipcodecs/src/voipcodecs/dc_restore.h
@@ -99,6 +99,35 @@ static __inline__ int16_t saturate(int32_t amp)
 }
 /*- End of function --------------------------------------------------------*/
 
+#ifdef _MSC_VER
+__inline float rintf (float flt)
+{
+	_asm
+	{	fld flt
+		frndint
+	}
+}
+
+__inline double rint(double dbl)
+{
+    __asm 
+	{
+        fld dbl
+        frndint
+    }
+}
+
+__inline long lrintf (float flt)
+{
+	long retval;
+	_asm
+	{	fld flt
+		fistp retval
+	}
+	return retval;
+}
+#endif
+
 static __inline__ int16_t fsaturatef(float famp)
 {
     if (famp > 32767.0)