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egs/wsj/s5/steps/data/make_musan.sh
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#!/bin/bash
# Copyright 2015 David Snyder
# 2019 Phani Sankar Nidadavolu
# Apache 2.0.
#
# This script creates the MUSAN data directory.
# Consists of babble, music and noise files.
# Used to create augmented data
# The required dataset is freely available at http://www.openslr.org/17/
# The corpus can be cited as follows:
# @misc{musan2015,
# author = {David Snyder and Guoguo Chen and Daniel Povey},
# title = {{MUSAN}: {A} {M}usic, {S}peech, and {N}oise {C}orpus},
# year = {2015},
# eprint = {1510.08484},
# note = {arXiv:1510.08484v1}
# }
set -e
use_vocals=true
sampling_rate=16000
stage=0
echo "$0 $@" # Print the command line for logging
if [ -f path.sh ]; then . ./path.sh; fi
. parse_options.sh || exit 1;
if [ $# -ne 2 ]; then
echo USAGE: $0 input_dir output_dir
echo input_dir is the path where the MUSAN corpus is located
echo e.g: $0 /export/corpora/JHU/musan data
echo "main options (for others, see top of script file)"
echo " --sampling-rate <sampling frequency> # Sampling frequency of source dir"
echo " --use-vocals <true/false> # Use vocals from music portion of MUSAN corpus"
exit 1;
fi
in_dir=$1
data_dir=$2
mkdir -p local/musan.tmp
# The below script will create the musan corpus
steps/data/make_musan.py --use-vocals ${use_vocals} \
--sampling-rate ${sampling_rate} \
${in_dir} ${data_dir}/musan || exit 1;
utils/fix_data_dir.sh ${data_dir}/musan
grep "music" ${data_dir}/musan/utt2spk > local/musan.tmp/utt2spk_music
grep "speech" ${data_dir}/musan/utt2spk > local/musan.tmp/utt2spk_speech
grep "noise" ${data_dir}/musan/utt2spk > local/musan.tmp/utt2spk_noise
utils/subset_data_dir.sh --utt-list local/musan.tmp/utt2spk_music \
${data_dir}/musan ${data_dir}/musan_music
utils/subset_data_dir.sh --utt-list local/musan.tmp/utt2spk_speech \
${data_dir}/musan ${data_dir}/musan_speech
utils/subset_data_dir.sh --utt-list local/musan.tmp/utt2spk_noise \
${data_dir}/musan ${data_dir}/musan_noise
utils/fix_data_dir.sh ${data_dir}/musan_music
utils/fix_data_dir.sh ${data_dir}/musan_speech
utils/fix_data_dir.sh ${data_dir}/musan_noise
rm -rf local/musan.tmp
for name in speech noise music; do
utils/data/get_reco2dur.sh ${data_dir}/musan_${name}
done
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