When I ran the this HCopy command (using HTK 3.4):
$ HCopy -C config -S train.scp
I received the following warning message for each file:
WARNING [-6371] ValidCodeParms: Using linear spectrum with PLP in HCopy
The feature vector I was attempting to use was defined in the configuration file to be:
TARGETKIND = PLP_0_D_A_Z
The warning message disappeared when I added the following line to the configuration file:
USEPOWER=T
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Tags: HTK
