Berlin-based designer and developer. Check out OpenEars, my shared-source iOS library for implementing round-trip English language speech recognition and text-to-speech on the iPhone and iPad, which uses the CMU Pocketsphinx, CMU Flite libraries and CMUCLMTK libraries.

Also check out SpeexKit, a framework for easy integration of the Speex codec in your iPhone or iPad app: http://www.politepix.com/speexkit