"Though the tools for voice control and dictation in the open
source world lag far behind those in the commercial arena, I
decided to see how far I could get in querying a database by voice
and having the computer respond verbally. Using a number of open
source tools, I'm happy to report success...
"The following discussion owes much to the Voxforge site, which
I recommend as a guide to the process of building an acoustic
model. It took me several hours to work through the tutorial the
first time, but with experience and the ability to foresee and
avoid errors, the time it takes to work through the whole process,
including voice recording, falls rapidly..."