Merge pull request #3 from pegahgh/chain-online-nnet3

changed beam to 11, commented online decoding block and added online decoding results to 6v_sp script.
danpovey · Apr 14, 2016 · 97e675f · 97e675f
2 parents 84a853c + b4cc829
commit 97e675f
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diff --git a/egs/swbd/s5c/conf/decode_online.config b/egs/swbd/s5c/conf/decode_online.config
@@ -1,2 +1,2 @@
-beam=15.0 # beam for decoding.  Was 13.0 in the scripts.
+beam=11.0 # beam for decoding. 
 first_beam=8.0 # beam for 1st-pass decoding in SAT.
diff --git a/egs/swbd/s5c/local/chain/run_tdnn_6v.sh b/egs/swbd/s5c/local/chain/run_tdnn_6v.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-
+# This script contains online decoding using chain + nnet3 setup.
 # _6v is as _6h, but moving to a TDNN+ReLU recipe instead of using jesus-layer.
 # Otherwise we make everything as similar as possible to 6h.
 # The ReLU dimension, at 576, is chosen to make the number of parameters about
@@ -224,53 +224,60 @@ if [ $stage -le 14 ]; then
   done
 fi
 
-if [ $stage -le 15 ]; then
-  # If this setup used PLP features, we'd have to give the option --feature-type plp
-  # to the script below.
-  steps/online/nnet3/prepare_online_decoding.sh --mfcc-config conf/mfcc_hires.conf \
-      data/lang exp/nnet3/extractor "$dir" ${dir}_online || exit 1;
-fi
-
-
-
-if [ $stage -le 16 ]; then
-  iter_opts=
-  if [ ! -z $decode_iter ]; then
-    iter_opts=" --iter $decode_iter "
-  fi
-  for decode_set in train_dev eval2000; do
-      (
-      steps/online/nnet3/decode.sh --acwt 1.0 --post-decode-acwt 10.0 \
-          --nj 50 --cmd "$decode_cmd" $iter_opts --config conf/decode_online.config \
-          $graph_dir data/${decode_set}_hires ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_${decode_suff} || exit 1;
-      if $has_fisher; then
-          steps/lmrescore_const_arpa.sh --cmd "$decode_cmd" \
-            data/lang_sw1_{tg,fsh_fg} data/${decode_set}_hires \
-            ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_sw1_{tg,fsh_fg} || exit 1;
-      fi
-      ) &
-  done
-fi
-
-if [ $stage -le 17 ]; then
-  iter_opts=
-  if [ ! -z $decode_iter ]; then
-    iter_opts=" --iter $decode_iter "
-  fi
-  for decode_set in train_dev eval2000; do
-      (
-      steps/online/nnet3/decode.sh --acwt 1.0 --post-decode-acwt 10.0 --config conf/decode_online.config \
-          --nj 50 --cmd "$decode_cmd" $iter_opts --per-utt true \
-          $graph_dir data/${decode_set}_hires ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_${decode_suff}_per_utt || exit 1;
-      if $has_fisher; then
-          steps/lmrescore_const_arpa.sh --cmd "$decode_cmd" \
-            data/lang_sw1_{tg,fsh_fg} data/${decode_set}_hires \
-            ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_sw1_{tg,fsh_fg}_per_utt || exit 1;
-      fi
-      ) &
-  done
-fi
-
+# Results using offline and online decoding
+# System                    6v_sp 6v_sp_online 6v_sp_online{per_utt}
+# WER on train_dev(tg)      14.68  14.72  15.43
+# WER on train_dev(fg)      13.49  13.58  14.18
+# WER on eval2000(tg)        17.2  17.3   18.2
+# WER on eval2000(fg)        15.7  15.9   16.7
+
+#if [ $stage -le 15 ]; then
+#  # If this setup used PLP features, we'd have to give the option --feature-type plp
+#  # to the script below.
+#  steps/online/nnet3/prepare_online_decoding.sh --mfcc-config conf/mfcc_hires.conf \
+#      data/lang exp/nnet3/extractor "$dir" ${dir}_online || exit 1;
+#fi
+
+
+
+#if [ $stage -le 16 ]; then
+#  iter_opts=
+#  if [ ! -z $decode_iter ]; then
+#    iter_opts=" --iter $decode_iter "
+#  fi
+#  for decode_set in train_dev eval2000; do
+#      (
+#      steps/online/nnet3/decode.sh --acwt 1.0 --post-decode-acwt 10.0 \
+#          --nj 50 --cmd "$decode_cmd" $iter_opts --config conf/decode_online.config \
+#          $graph_dir data/${decode_set}_hires ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_${decode_suff} || exit 1;
+#      if $has_fisher; then
+#          steps/lmrescore_const_arpa.sh --cmd "$decode_cmd" \
+#            data/lang_sw1_{tg,fsh_fg} data/${decode_set}_hires \
+#            ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_sw1_{tg,fsh_fg} || exit 1;
+#      fi
+#      ) &
+#  done
+#fi
+#
+#if [ $stage -le 17 ]; then
+#  iter_opts=
+#  if [ ! -z $decode_iter ]; then
+#    iter_opts=" --iter $decode_iter "
+#  fi
+#  for decode_set in train_dev eval2000; do
+#      (
+#      steps/online/nnet3/decode.sh --acwt 1.0 --post-decode-acwt 10.0 --config conf/decode_online.config \
+#          --nj 50 --cmd "$decode_cmd" $iter_opts --per-utt true \
+#          $graph_dir data/${decode_set}_hires ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_${decode_suff}_per_utt || exit 1;
+#      if $has_fisher; then
+#          steps/lmrescore_const_arpa.sh --cmd "$decode_cmd" \
+#            data/lang_sw1_{tg,fsh_fg} data/${decode_set}_hires \
+#            ${dir}_online/decode_${decode_set}${decode_iter:+_$decode_iter}_sw1_{tg,fsh_fg}_per_utt || exit 1;
+#      fi
+#      ) &
+#  done
+#fi
+#
 wait;
 
 exit 0;