SAPI5

SAPI Error Codes (SAPI 5.3)

http://msdn2.microsoft.com/en-us/library/ms717306(VS.85).aspx

Win32::SAPI5 - Perl interface to the Microsoft Speech API 5.1 - search.cpan.org

http://search.cpan.org/~jouke/Win32-SAPI5-0.05/lib/Win32/SAPI5.pm perl “bindings” (wrapper around ActiveState Win32::OLE) to SAPI5 interface