#!/usr/bin/env bash
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. ./path.sh || exit 1;
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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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feats_dim=80
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echo "$0 $@"
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. utils/parse_options.sh || exit 1;
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fbankdir=$1
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split_dir=${fbankdir}/cmvn/split_${nj};
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mkdir -p $split_dir
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split_scps=""
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for n in $(seq $nj); do
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split_scps="$split_scps $split_dir/wav.$n.scp"
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done
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utils/split_scp.pl ${fbankdir}/wav.scp $split_scps || exit 1;
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output_dir=${fbankdir}/cmvn
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logdir=${fbankdir}/cmvn/log
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$cmd JOB=1:$nj $logdir/cmvn.JOB.log \
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python utils/compute_cmvn.py -d ${feats_dim} -a $fbankdir/ark -i JOB -o ${output_dir} \
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|| exit 1;
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python utils/combine_cmvn_file.py -d ${feats_dim} -c ${output_dir} -n $nj -o $fbankdir
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echo "$0: Succeeded compute global cmvn"
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