#!/bin/bash
  # Copyright 2016 Alibaba Robotics Corp. (Author: Xingyu Na)
  # Apache 2.0
  
  # This runs MMI and MPE on top of the MLE system. It requires the alignments.
  
  dir=exp/tri5a
  
  . ./cmd.sh
  . ./path.sh
  
  steps/make_denlats.sh --cmd "$train_cmd" --nj 10 --transform-dir ${dir}_ali \
    --config conf/decode.config \
    data/train data/lang $dir ${dir}_denlats || exit 1;
  
  # Do MMI.
  steps/train_mmi.sh --cmd "$train_cmd" --boost 0.1 \
    data/train data/lang ${dir}_ali ${dir}_denlats ${dir}_mmi_b0.1 || exit 1;
  
  steps/decode.sh --cmd "$decode_cmd" --nj 10 --config conf/decode.config \
    --transform-dir $dir/decode \
    $dir/graph data/dev ${dir}_mmi_b0.1/decode || exit 1 ;
  
  # Do MPE.
  steps/train_mpe.sh  --cmd "$train_cmd" data/train data/lang ${dir}_ali ${dir}_denlats ${dir}_mpe || exit 1;
  
  steps/decode.sh --cmd "$decode_cmd" --nj 10 --config conf/decode.config \
    --transform-dir $dir/decode \
    $dir/graph data/dev ${dir}_mpe/decode || exit 1 ;
  
  exit 0;