hi Flad,
3 years ago i made a bridge from sphinx3 to puredata: http://vimeo.com/2814913
since then, i coded a software called kiku that comes with a gui and liblo (OSC). it also feature a V2C (voice 2 command) for patching in pd:
http://www.youtube.com/watch?v=pJMm4IUIIrQ
i need to work on it: supporting new distro and adding 2 new languages (German & Portuguese).
http://www.workinprogress.ca/kiku/download/
maybe it will be useful for your project, cheers