04d_train_MMI_FMMI.sh
1.3 KB
#!/bin/sh
. 00_init_paths.sh
# TODO :
# - AM : quinphones, MLP ....
# - LM : perplexity on dev, native 4g, rnnLM
# MMI ---> 22.15
steps/make_denlats.sh --nj 20 --sub-split 20 --transform-dir exp/tri3b_ali data/train lang exp/tri3b exp/tri3b_denlats || exit 1;
steps/train_mmi.sh --boost 0.1 data/train lang exp/tri3b_ali exp/tri3b_denlats exp/tri3b_mmi_b0.1 || exit 1;
steps/decode.sh --nj 6 --transform-dir exp/tri3b/decode_dev exp/tri3b/graph data/dev exp/tri3b_mmi_b0.1/decode_dev
first, train UBM for fMMI experiments.
steps/train_diag_ubm.sh --silence-weight 0.5 --nj 20 600 data/train lang exp/tri3b_ali exp/dubm3b
# fMMI+MMI ---> 21.15
steps/train_mmi_fmmi.sh --boost 0.1 data/train lang exp/tri3b_ali exp/dubm3b exp/tri3b_denlats exp/tri3b_fmmi_a || exit 1;
for iter in 3 4 5 6 7 8; do
steps/decode_fmmi.sh --nj 6 --iter $iter --transform-dir exp/tri3b/decode_dev exp/tri3b/graph data/dev exp/tri3b_fmmi_a/decode_dev_it$iter
done
# fMMI + mmi with indirect differential ---> 20.65
steps/train_mmi_fmmi_indirect.sh --boost 0.1 data/train lang exp/tri3b_ali exp/dubm3b exp/tri3b_denlats exp/tri3b_fmmi_indirect || exit 1;
for iter in 3 4 5 6 7 8; do
steps/decode_fmmi.sh --nj 6 --iter $iter --transform-dir exp/tri3b/decode_dev exp/tri3b/graph data/dev exp/tri3b_fmmi_indirect/decode_dev_it$iter
done