compute_vad_decision.sh
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#!/bin/bash
# Copyright 2013 Daniel Povey
# Apache 2.0
# To be run from .. (one directory up from here)
# see ../run.sh for example
# Compute energy based VAD output
# We do this in just one job; it's fast.
#
nj=2
cmd=run.pl
vad_config=conf/vad.conf
echo "$0 $@" # Print the command line for logging
if [ -f path.sh ]; then . ./path.sh; fi
. parse_options.sh || exit 1;
if [ $# != 3 ]; then
echo "Usage: $0 [options] <data-dir> <log-dir> <path-to-vad-dir>";
echo "e.g.: $0 data/train exp/make_vad mfcc"
echo " Options:"
echo " --vad-config <config-file> # config passed to compute-vad-energy"
echo " --nj <nj> # number of parallel jobs"
echo " --cmd (utils/run.pl|utils/queue.pl <queue opts>) # how to run jobs."
exit 1;
fi
data=$1
logdir=$2
vaddir=$3
# make $vaddir an absolute pathname.
vaddir=`perl -e '($dir,$pwd)= @ARGV; if($dir!~m:^/:) { $dir = "$pwd/$dir"; } print $dir; ' $vaddir ${PWD}`
# use "name" as part of name of the archive.
name=`basename $data`
mkdir -p $vaddir || exit 1;
mkdir -p $logdir || exit 1;
for f in $data/feats.scp "$vad_config"; do
if [ ! -f $f ]; then
echo "compute_vad_decision.sh: no such file $f"
exit 1;
fi
done
utils/split_data.sh $data $nj || exit 1;
sdata=$data/split$nj;
$cmd JOB=1:$nj $logdir/vad_${name}.JOB.log \
compute-vad --config=$vad_config scp:$sdata/JOB/feats.scp ark,scp:$vaddir/vad_${name}.JOB.ark,$vaddir/vad_${name}.JOB.scp \
|| exit 1;
for ((n=1; n<=nj; n++)); do
cat $vaddir/vad_${name}.$n.scp || exit 1;
done > $data/vad.scp
nc=`cat $data/vad.scp | wc -l`
nu=`cat $data/feats.scp | wc -l`
if [ $nc -ne $nu ]; then
echo "**Warning it seems not all of the speakers got VAD output ($nc != $nu);"
echo "**validate_data_dir.sh will fail; you might want to use fix_data_dir.sh"
[ $nc -eq 0 ] && exit 1;
fi
echo "Created VAD output for $name"