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egs/gp/s1/steps/make_mfcc.sh
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#!/bin/bash -u
# Copyright 2012 Arnab Ghoshal
# Copyright 2010-2011 Microsoft Corporation
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
# WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
# MERCHANTABLITY OR NON-INFRINGEMENT.
# See the Apache 2 License for the specific language governing permissions and
# limitations under the License.
# To be run from .. (one directory up from here)
function error_exit () {
echo -e "$@" >&2; exit 1;
}
function readint () {
local retval=${1/#*=/}; # In case --switch=ARG format was used
retval=${retval#0*} # Strip any leading 0's
[[ "$retval" =~ ^-?[1-9][0-9]*$ ]] \
|| error_exit "Argument \"$retval\" not an integer."
echo $retval
}
nj=4 # Default number of jobs
qcmd="" # Options for the submit_jobs.sh script
sjopts="" # Options for the submit_jobs.sh script
PROG=`basename $0`;
usage="Usage: $PROG [options] <data-dir> <log-dir> <abs-path-to-mfccdir>
Options:
--help\t\tPrint this message and exit
--num-jobs INT\tNumber of parallel jobs to run (default=$nj).
--qcmd STRING\tCommand for submitting a job to a grid engine (e.g. qsub) including switches.
--sjopts STRING\tOptions for the 'submit_jobs.sh' script
";
while [ $# -gt 0 ]; do
case "${1# *}" in # ${1# *} strips any leading spaces from the arguments
--help) echo -e $usage; exit 0 ;;
--num-jobs)
shift; nj=`readint $1`;
[ $nj -lt 1 ] && error_exit "--num-jobs arg '$nj' not positive.";
shift ;;
--qcmd)
shift; qcmd="--qcmd=${1}"; shift ;;
--sjopts)
shift; sjopts="$1"; shift ;;
-*) echo "Unknown argument: $1, exiting"; echo -e $usage; exit 1 ;;
*) break ;; # end of options: interpreted as the data-dir
esac
done
if [ $# != 3 ]; then
error_exit $usage;
fi
[ -f path.sh ] && . ./path.sh
data=$1
logdir=$2
mfccdir=$3
# use "name" as part of name of the archive.
name=`basename $data`
mkdir -p $mfccdir || exit 1;
mkdir -p $logdir || exit 1;
scp=$data/wav.scp
config=conf/mfcc.conf
required="$scp $config"
for f in $required; do
if [ ! -f $f ]; then
echo "make_mfcc.sh: no such file $f"
exit 1;
fi
done
# note: in general, the double-parenthesis construct in bash "((" is "C-style
# syntax" where we can get rid of the $ for variable names, and omit spaces.
# The "for" loop in this style is a special construct.
split_scps=""
for ((n=1; n<=nj; n++)); do
split_scps="$split_scps $logdir/wav$n.scp"
done
split_scp.pl $scp $split_scps || exit 1;
submit_jobs.sh "$qcmd" --njobs=$nj --log=$logdir/make_mfcc.TASK_ID.log $sjopts \
compute-mfcc-feats --verbose=2 --config=$config scp:$logdir/wavTASK_ID.scp \
ark,scp:$mfccdir/mfcc_$name.TASK_ID.ark,$mfccdir/mfcc_$name.TASK_ID.scp \
|| error_exit "Error producing mfcc features for $name:"`tail $logdir/make_mfcc.*.log`
# concatenate the .scp files together.
rm $data/feats.scp 2>/dev/null
for ((n=1; n<=nj; n++)); do
cat $mfccdir/mfcc_$name.$n.scp >> $data/feats.scp
done
# rm $logdir/wav*.scp
echo "Succeeded creating MFCC features for $name"
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