NAME Audio::M4P -- M4P / MP4 / m4a Quicktime audio tools, including DRMS removal tools DESCRIPTION Slice, dice, deconsruct, markup, and decrypt M4P (Apple Quicktime) audio files SYNOPSIS use Audio::M4P::Decrypt; my $mp4file = 'myfile'; my $outfile = 'mydecodedfile'; my $decrypt = new Audio::M4P::Decrypt; $decrypt->DecryptFile($mp4file, $outfile); To install the module... perl Makefile.PL make make test make install If you are on a windows box you should use 'nmake' rather than 'make'.