mmi_sgmm2.sh

. ./cmd.sh
. ./path.sh

set -e

echo ============================================================================
echo "                    MMI + SGMM2 Training & Decoding                       "
echo ============================================================================

steps/align_sgmm2.sh --nj "$training_nj" --cmd "$train_cmd" \
 --transform-dir exp/tri3_ali --use-graphs true --use-gselect true \
 data/train data/lang exp/sgmm2_4 exp/sgmm2_4_ali

steps/make_denlats_sgmm2.sh --nj "$training_nj" --sub-split "$training_nj" \
 --acwt 0.2 --lattice-beam 10.0 --beam 18.0 \
 --cmd "$decode_cmd" --transform-dir exp/tri3_ali \
 data/train data/lang exp/sgmm2_4_ali exp/sgmm2_4_denlats

steps/train_mmi_sgmm2.sh --acwt 0.2 --cmd "$decode_cmd" \
 --transform-dir exp/tri3_ali --boost 0.1 --drop-frames true \
 data/train data/lang exp/sgmm2_4_ali exp/sgmm2_4_denlats exp/sgmm2_4_mmi_b0.1

for iter in 1 2 3 4; do
  steps/decode_sgmm2_rescore.sh --cmd "$decode_cmd" --iter $iter \
   --transform-dir exp/tri3/decode data/lang data/test \
   exp/sgmm2_4/decode exp/sgmm2_4_mmi_b0.1/decode_it$iter
done