== Speech Recognition Engine Comparison ==
  * [http://www.inference.phy.cam.ac.uk/kv227/papers/baseline_wsj_recipes.pdf sphinx vs htk comparison] - Keith Vertanen' paper
  * [http://lima.lti.cs.cmu.edu/moinmoin/SphinxHTK Sphinx HTK comparison] - David Huggins-Daines' Wiki
  * [http://translate.google.com/translate?u=http%3A%2F%2Fsimon-listens.org%2Findex.php%3Fid%3D124&langpair=de%7Cen&hl=en&ie=UTF8 Simon project comparison Sphinx, HTK, DNS, IBM Via Voice] (translated from German) 
  * [http://raphaelnunes.wordpress.com/2007/08/08/benchmark-of-sphinx2-sphinx3-pocketsphinx/ Benchmark of Sphinx2, Sphinx3, PocketSphinx]