diff --git a/third_party/build/ilbc/libilbccodec.dsp b/third_party/build/ilbc/libilbccodec.dsp
new file mode 100644
index 0000000..8726aac
--- /dev/null
+++ b/third_party/build/ilbc/libilbccodec.dsp
@@ -0,0 +1,286 @@
+# Microsoft Developer Studio Project File - Name="libilbccodec" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Static Library" 0x0104
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+CFG=libilbccodec - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "libilbccodec.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "libilbccodec.mak" CFG="libilbccodec - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "libilbccodec - Win32 Release" (based on "Win32 (x86) Static Library")
+!MESSAGE "libilbccodec - Win32 Debug" (based on "Win32 (x86) Static Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "libilbccodec - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "output\ilbc-i386-vc6-release"
+# PROP BASE Intermediate_Dir "output\ilbc-i386-vc6-release"
+# PROP BASE Target_Dir ""
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+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo /out:"..\..\lib\libilbccodec-i386-vc6-release.lib"
+
+!ELSEIF  "$(CFG)" == "libilbccodec - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "output\ilbc-i386-vc6-debug"
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+# ADD CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
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+# ADD BASE LIB32 /nologo
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+
+!ENDIF 
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+# Begin Target
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+# Name "libilbccodec - Win32 Debug"
+# Begin Group "Source Files"
+
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+# Begin Source File
+
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Target
+# End Project