#!/usr/bin/env bash
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# Begin configuration section.
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nj=32
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cmd=utils/run.pl
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# feature configuration
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lfr=True
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lfr_m=7
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lfr_n=6
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echo "$0 $@"
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. utils/parse_options.sh || exit 1;
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fbankdir=$1
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cmvn_file=$2
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logdir=$3
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output_dir=$4
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dump_dir=${output_dir}/ark; mkdir -p ${dump_dir}
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mkdir -p ${logdir}
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$cmd JOB=1:$nj $logdir/apply_lfr_and_cmvn.JOB.log \
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python utils/apply_lfr_and_cmvn.py -a $fbankdir/ark/feats.JOB.ark \
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-f $lfr -m $lfr_m -n $lfr_n -c $cmvn_file -i JOB -o ${dump_dir} \
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|| exit 1;
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for n in $(seq $nj); do
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cat ${dump_dir}/feats.$n.scp || exit 1
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done > ${output_dir}/feats.scp || exit 1
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for n in $(seq $nj); do
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cat ${dump_dir}/len.$n || exit 1
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done > ${output_dir}/speech_shape || exit 1
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echo "$0: Succeeded apply low frame rate and cmvn"
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