Sphinx and PocketSphinx informations :
CMU Sphinx download   : https://cmusphinx.github.io/wiki/download/
The CMU Toolkit       : http://www.speech.cs.cmu.edu/SLM_info.html

Packages source :
SphinxBase                        : https://sourceforge.net/projects/cmusphinx/files/sphinxbase/5prealpha/
PocketSphinx                      : https://sourceforge.net/projects/cmusphinx/files/pocketsphinx/5prealpha/
CMU Cam Toolkit v2                : http://www.speech.cs.cmu.edu/SLM/CMU-Cam_Toolkit_v2.tar.gz
Acoustic models and dictionaries  : https://sourceforge.net/projects/cmusphinx/files/Acoustic%20and%20Language%20Models/

PTM models are for mobile and resource-constrained environment. They are best to balance between speed and accuracy.
