This is my first time running through this example on Step5.

I may have saved the wav files with 32 bits instead of 16 bits.  Would this have done something?

$ /usr/local/bin/HCopy -A -D -T 1 -C wav_config -S codetrain.scp
/usr/local/bin/HCopy -A -D -T 1 -C wav_config -S codetrain.scp

HTK Configuration Parameters[11]
  Module/Tool     Parameter                  Value
#                 NUMCEPS                       12
#                 CEPLIFTER                     22
#                 NUMCHANS                      26
#                 PREEMCOEF               0.970000
#                 USEHAMMING                  TRUE
#                 WINDOWSIZE         250000.000000
#                 SAVEWITHCRC                 TRUE
#                 SAVECOMPRESSED              TRUE
#                 TARGETRATE         100000.000000
#                 TARGETKIND              MFCC_0_D
#                 SOURCEFORMAT                 WAV

  ERROR [+6251]  Only standard PCM, mu-law & a-law supported
  ERROR [+6213]  OpenWaveInput: Get[format]HeaderInfo failed
  ERROR [+6313]  OpenAsChannel: OpenWaveInput failed
  ERROR [+6316]  OpenBuffer: OpenAsChannel failed
  ERROR [+1050]  OpenParmFile: Config parameters invalid
 FATAL ERROR - Terminating program /usr/local/bin/HCopy