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Win32 build instructions:

Tested with Visual Studio 2010 Express.

zlib
----
Download zlib from http://zlib.net/zlib128.zip and extract
Open command prompt using MS Visual Studio start menu entry or run the vcvars file,
 for example C:\Program Files\Microsoft Visual Studio 10.0\VC\vcvarsall.bat
nmake -f win32/Makefile.msc
Copy zlib.lib, zlib.h, zconf.h into the Audio::Scan win32 directory (overwriting latter two files)

Audio::Scan
-----------
Install ActivePerl.
Open command prompt using MS Visual Studio start menu entry or run the vcvars file,
 for example C:\Program Files\Microsoft Visual Studio 10.0\VC\vcvarsall.bat
perl Makefile.PL
nmake
nmake test