I found this. SAPI[^] For the needs of the original message there is this interesting part Managed code Speech API A managed code API is being developed by Microsoft which has similar functionality to SAPI 5 but will be more suitable to be used by managed code applications. The new API is part of .NET Framework 3.0 and will be available on Windows XP, Windows Server 2003 and Windows Vista. The existing SAPI 5 API can also be used from managed code to a limited extent by creating COM Interop code (helper code designed to assist in accessing COM interfaces and classes). This works well in some scenarios however the new API should provide a more seamless experience equivalent to using any other managed code library.

This is a very complex javascript system. You should check out some of the free libraries available like the Yahoo Ajax library. Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.