#!/bin/bash

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# you may not use this file except in compliance with the License.
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#
#  http://www.apache.org/licenses/LICENSE-2.0
#
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source ./path.sh

# call the next line with the directory where the RM data is
local/rm_data_prep.sh $RM1_ROOT || exit 1;

local/rm_format_data.sh || exit 1;

# the directory, where you want to store MFCC features.
featdir=data/rm_feats

# convert the Sphinx feature files to Kaldi tables
for x in train test; do
 steps/make_mfcc.sh data/$x exp/make_mfcc/$x $featdir  || exit 1;
done

scripts/subset_data_dir.sh data/train 1000 data/train.1k  || exit 1;

# train monophone system.
steps/train_mono.sh data/train.1k data/lang exp/mono  || exit 1;

# monophone decoding
local/decode.sh --mono steps/decode_deltas.sh exp/mono/decode || exit 1;

# Get alignments from monophone system.
steps/align_deltas.sh data/train data/lang exp/mono exp/mono_ali || exit 1;

# train tri1 [first triphone pass]
steps/train_deltas.sh data/train data/lang exp/mono_ali exp/tri1 || exit 1;

# decode tri1
local/decode.sh steps/decode_deltas.sh exp/tri1/decode || exit 1;

# align tri1
steps/align_deltas.sh --graphs "ark,s,cs:gunzip -c exp/tri1/graphs.fsts.gz|" \
    data/train data/lang exp/tri1 exp/tri1_ali || exit 1;

# train tri2a [delta+delta-deltas]
steps/train_deltas.sh data/train data/lang exp/tri1_ali exp/tri2a || exit 1;

# decode tri2a
local/decode.sh steps/decode_deltas.sh exp/tri2a/decode || exit 1;