diff --git a/egs/asr/librispeech/shutil/decode/convert_ctm.py b/egs/asr/librispeech/shutil/decode/convert_ctm.py
deleted file mode 100644
index 391a9c6..0000000
--- a/egs/asr/librispeech/shutil/decode/convert_ctm.py
+++ /dev/null
@@ -1,47 +0,0 @@
-"""
-  A script to convert ctm with word_ids to ctm with words
-  Amir Harati April 2018
-"""
-import argparse
-
-
-def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("-i", "--input_ctm",
-                       default=None, help="input ctm with word ids")
-
-    parser.add_argument("-w", "--input_words",
-                       default=None, help="input words")
-    parser.add_argument("-o", "--output_ctm",
-                       default=None, help="output ctm with words")
-    args = parser.parse_args()
-
-    if args.input_ctm is None:
-      print("You need to specify the input ctm file.")
-      exit(0)
-
-    if args.input_words is None:
-      print("You need to specify the input words.")
-      exit(0)
-
-    if args.output_ctm is None:
-      print("You need to specify the output ctm file.")
-      exit(0)
-
-    id2word = {}
-    lines = [line.strip() for line in open(args.input_words)]
-    for line in lines:
-      parts = line.split()
-      id2word[parts[1]] = parts[0]
-
-
-    lines = [line.strip() for line in open(args.input_ctm)]
-    fo = open(args.output_ctm, "w")
-    for line in lines:
-      parts = line.split()
-      new_line = parts[0] + " " + parts[1] + " " + parts[2] + " " + parts[3] + " " + id2word[parts[4]]
-      fo.write(new_line + "\n")
-    fo.close()
-
-if __name__ == "__main__":
-    main()
diff --git a/egs/asr/librispeech/shutil/decode/map_kaldi_transitionids.py b/egs/asr/librispeech/shutil/decode/map_kaldi_transitionids.py
deleted file mode 100644
index 676e585..0000000
--- a/egs/asr/librispeech/shutil/decode/map_kaldi_transitionids.py
+++ /dev/null
@@ -1,71 +0,0 @@
-# map_kaldi_transitionids.py
-# Amir Harati, July 2019
-"""
-    map transitionids into phoneme states.
-"""
-import argparse
-import re
-
-pat1  = re.compile("\s*Transition-state.*phone\s+=\s+(.*)\s+hmm-state\s+=\s+(.*)\s+forward.*")
-pat2  = re.compile("\s*Transition-id\s+=\s+(.*)\s+p.*")
-
-def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("--input_transitions", default=None, help="transition file")
-    parser.add_argument("--input",
-                       default=None, help="input transitionid")
-    parser.add_argument("--output",
-                       default=None, help="output mapped file")
-
-    args = parser.parse_args()
-
-    if args.input_transitions is None:
-      print("You need to specify the input transitions")
-      exit(0)
-    if args.input is None:
-      print("You need to specify the input")
-      exit(0)
-    if args.output is None:
-      print("You need to specify the output")
-      exit(0)
-
-    lines = [line.strip() for line in open(args.input)]
-    input_trs = {}
-    for line in lines:
-        parts = line.split()
-        input_trs[parts[0]] = parts[1:]
-
-    lines = [line.strip() for line in open(args.input_transitions)]
-
-    trans2state = {}
-    for line in lines:
-        x = pat1.match(line)
-        y = pat2.match(line)
-        if x is not None:
-            curr_phoneme = x.group(1).split("_")[0]
-            curr_state = x.group(2)
-        #print(line)
-        #print(y)
-        if y is not None:
-            ti = y.group(1)
-            #print(ti)
-            if curr_phoneme == "SIL":
-                trans2state[ti] = "_"
-            else:
-                trans2state[ti] = curr_phoneme
-            if len(trans2state[ti]) < 2:
-                trans2state[ti] += " "
-
-    #print(trans2state)
-    with open(args.output, "w") as fo:
-        for key in input_trs:
-            fo.write(key+"len_"+str(len(input_trs[key])) + " ")
-            for v in input_trs[key]:
-                fo.write(trans2state[v] + " ")
-            fo.write("\n")
-
-
-if __name__ == "__main__":
-    main()
-
-
diff --git a/egs/asr/librispeech/shutil/decode/show_align.sh b/egs/asr/librispeech/shutil/decode/show_align.sh
deleted file mode 100755
index 8f95124..0000000
--- a/egs/asr/librispeech/shutil/decode/show_align.sh
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-mkdir -p ./exp/align/
-TMPFILE=$(mktemp -d ./exp/align/d_XXX) || exit 1
-
-export show_bn=1
-
-model="shutil/decode/chain/e2e/tuning/tdnnf_vq.py  --codebook-size 16"
-exp_dir="exp/chain/e2e_tdnnf_vq_sizeco_16/"
-
-# model="shutil/decode/chain/e2e/tuning/tdnnf.py"
-# exp_dir="exp/chain/e2e_tdnnf/"
-
-echo $model
-
-$model \
-    --dir $exp_dir \
-    --mode decode --use-gpu True --gpu-id 1 \
-    --decode-feats test_one.scp $exp_dir/final.pt \
-    | shutil/decode/latgen-faster-mapped.sh \
-    --beam 1 \
-    exp/chain/e2e_biphone_tree/graph_tgsmall/words.txt \
-    $exp_dir/0.trans_mdl \
-    exp/chain/e2e_biphone_tree/graph_tgsmall/HCLG.fst \
-    $TMPFILE/lat.gz
-
-
-oldlm=./data/lang_lp_test_tgsmall/G.fst
-newlm=./data/lang_lp_test_fglarge/G.carpa
-oldlmcommand="fstproject --project_output=true $oldlm |"
-
-lattice-lmrescore --lm-scale=-1.0 \
-    "ark:gunzip -c $TMPFILE/lat.gz|" "$oldlmcommand" ark:-  | \
-    lattice-lmrescore-const-arpa --lm-scale=1.0 \
-    ark:- "$newlm" "ark,t:|gzip -c>$TMPFILE/lat_rescore.gz"
-
-# bypass rescore
-# cp $TMPFILE/lat.gz $TMPFILE/lat_rescore.gz
-
-# Word alin
-lattice-align-words-lexicon \
-    ./data/lang_lp/phones/align_lexicon.int \
-    $exp_dir/0.trans_mdl \
-    "ark:gunzip -c $TMPFILE/lat_rescore.gz|" ark:-  \
-    | lattice-1best ark:- ark:- |  nbest-to-ctm  ark:- $TMPFILE/align.ctm
-
-python3 shutil/decode/convert_ctm.py -i $TMPFILE/align.ctm \
-    -w exp/chain/e2e_biphone_tree/graph_tgsmall/words.txt \
-    -o $TMPFILE/out_ctm
-
-# cat $TMPFILE/out_ctm
-
-
-# Phone alin
-
-zcat $TMPFILE/lat_rescore.gz  > $TMPFILE/lat
-lattice-1best --acoustic-scale=1 ark:$TMPFILE/lat ark:$TMPFILE/1best.lats
-nbest-to-linear ark:$TMPFILE/1best.lats ark,t:$TMPFILE/ali
-ali-to-phones --ctm-output $exp_dir/0.trans_mdl \
-    ark:$TMPFILE/ali \
-    $TMPFILE/phone_alined.ctm
-
-python3 shutil/decode/convert_ctm.py -i $TMPFILE/phone_alined.ctm \
-    -w ./data/lang_lp/phones.txt \
-    -o $TMPFILE/out_phone_ctm
-
-# cat $TMPFILE/out_phone_ctm
-
-copy-int-vector ark,t:$TMPFILE/ali ark,t:$TMPFILE/transids.txt
-show-transitions ./data/lang_lp/phones.txt $exp_dir/0.trans_mdl > $TMPFILE/transitions.txt
-python3 ./shutil/decode/map_kaldi_transitionids.py --input $TMPFILE/transids.txt --input_transitions $TMPFILE/transitions.txt --output $TMPFILE/out_state_seq
-
-echo "cat $TMPFILE/out_state_seq"
-cat $TMPFILE/out_state_seq
diff --git a/egs/asr/librispeech/shutil/decode/show_align_fromlat.sh b/egs/asr/librispeech/shutil/decode/show_align_fromlat.sh
deleted file mode 100755
index b158bf6..0000000
--- a/egs/asr/librispeech/shutil/decode/show_align_fromlat.sh
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-
-# oldlm=./data/lang_lp_test_tgsmall/G.fst
-# newlm=./data/lang_lp_test_fglarge/G.carpa
-# oldlmcommand="fstproject --project_output=true $oldlm |"
-
-# lattice-lmrescore --lm-scale=-1.0 \
-    # "ark:gunzip -c $1|" "$oldlmcommand" ark:-  | \
-    # lattice-lmrescore-const-arpa --lm-scale=1.0 \
-    # ark:- "$newlm" "ark,t:|gzip -c>$1.res"
-
-# bypass rescore
-cp $1 $1.res
-
-exp_dir="exp/chain/e2e_tdnnf/"
-
-# Word alin
-lattice-align-words-lexicon \
-    ./data/lang_lp/phones/align_lexicon.int \
-    $exp_dir/0.trans_mdl \
-    "ark:gunzip -c $1.res|" ark:-  \
-    | lattice-1best ark:- ark:- |  nbest-to-ctm  ark:- $1.res_align.ctm
-
-python3 shutil/decode/convert_ctm.py -i $1.res_align.ctm \
-    -w exp/chain/e2e_biphone_tree/graph_tgsmall/words.txt \
-    -o $1.res_align.ctm_out_ctm
-
-# cat $TMPFILE/out_ctm
-
-
-# Phone alin
-
-zcat $1.res  > $1.res_lat
-lattice-1best --acoustic-scale=1 ark:$1.res_lat ark:$1.res_lat_1best.lats
-nbest-to-linear ark:$1.res_lat_1best.lats ark:$1.res_lat_ali
-ali-to-phones --ctm-output $exp_dir/0.trans_mdl \
-    ark:$1.res_lat_ali \
-    $1.phone_alined.ctm
-
-python3 shutil/decode/convert_ctm.py -i $1.phone_alined.ctm \
-    -w ./data/lang_lp/phones.txt \
-    -o $1.out_phone_ctm
-
-# cat $TMPFILE/out_phone_ctm
-
-copy-int-vector ark,t:$1.res_lat_ali ark,t:$1.transids.txt
-show-transitions ./data/lang_lp/phones.txt $exp_dir/0.trans_mdl > $1.transitions.txt
-python3 ./shutil/decode/map_kaldi_transitionids.py --input $1.transids.txt --input_transitions $1.transitions.txt --output $1.out_state_seq
diff --git a/satools/satools/chain/model.py b/satools/satools/chain/model.py
index 80dd5a5..08276ae 100644
--- a/satools/satools/chain/model.py
+++ b/satools/satools/chain/model.py
@@ -467,6 +467,7 @@ def kaldi_decode(loglikes,
                      ):
         """
         Decode loglikes from a tensor, no lm rescoding is done
+        This and the following function are nice for few-utterances decoding, but for more, use kaldi with shutil/decode/latgen-faster-mapped.sh
 
         Example:
             import torch