```
Initialising HMM /hts_train_song/HTS-train-demo/proto/qst001/ver1/state-5_stream-4_mgc-150_lf0-3.prt . . .
States : 2 3 4 5 6 (width)
Mixes s1: 1 1 1 1 1 ( 150 )
( 150 )
Num Using: 0 0 0 0 0
Mixes s2: 2 2 2 2 2 ( 1 )
( MSD <= 1 )
Num Using: 0 0 0 0 0
Mixes s3: 2 2 2 2 2 ( 1 )
( MSD <= 1 )
Num Using: 0 0 0 0 0
Mixes s4: 2 2 2 2 2 ( 1 )
( MSD <= 1 )
Num Using: 0 0 0 0 0
Parm Kind: USER
Number of owners = 1
SegLab : c
maxIter : 20
epsilon : 0.000100
minSeg : 1
Updating : Means Variances MixWeights/DProbs TransProbs
- system is PLAIN
ERROR [+2121] HInit: Too Few Observation Sequences [0]
FATAL ERROR - Terminating program ../HTS_for_HTK/htk/HTKTools/HInit
Error in ../HTS_for_HTK/htk/HTKTools/HInit -A -C /hts_train_song/HTS-train-demo/configs/qst001/ver1/trn.cnf -D -T 1 -S /hts_train_song/HTS-train-demo/data/scp/train.scp -m 1 -u tmvw -w 5000 -H /hts_train_song/HTS-train-demo/models/qst001/ver1/cmp/init.mmf -M /hts_train_song/HTS-train-demo/models/qst001/ver1/cmp/HInit -I /hts_train_song/HTS-train-demo/data/labels/mono.mlf -l c -o c /hts_train_song/HTS-train-demo/proto/qst001/ver1/state-5_stream-4_mgc-150_lf0-3.prt
Makefile:51: recipe for target 'voice' failed
make: *** [voice] Error 25
```