Corrected tandem features for acoustic model training.

Arlo Faria Nelson Morgan Corrected tandem features for acoustic model training. 4737-4740 2008 ICASSP http://dx.doi.org/10.1109/ICASSP.2008.4518715 conf/icassp/2008 db/conf/icassp/icassp2008.html#FariaM08