wsj_prepare_dict.sh
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#!/bin/bash
# Copyright 2010-2012 Microsoft Corporation
# 2012-2014 Johns Hopkins University (Author: Daniel Povey)
# 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.
# Call this script from one level above, e.g. from the s3/ directory. It puts
# its output in data/local/.
# The parts of the output of this that will be needed are
# [in data/local/dict/ ]
# lexicon.txt
# extra_questions.txt
# nonsilence_phones.txt
# optional_silence.txt
# silence_phones.txt
# run this from ../
dir=data/local/dict
mkdir -p $dir
# (1) Get the CMU dictionary
svn co https://svn.code.sf.net/p/cmusphinx/code/trunk/cmudict \
$dir/cmudict || exit 1;
# can add -r 10966 for strict compatibility.
#(2) Dictionary preparation:
# Make phones symbol-table (adding in silence and verbal and non-verbal noises at this point).
# We are adding suffixes _B, _E, _S for beginning, ending, and singleton phones.
# silence phones, one per line.
(echo SIL; echo SPN; echo NSN) > $dir/silence_phones.txt
echo SIL > $dir/optional_silence.txt
# nonsilence phones; on each line is a list of phones that correspond
# really to the same base phone.
cat $dir/cmudict/cmudict.0.7a.symbols | perl -ane 's:\r::; print;' | \
perl -e 'while(<>){
chop; m:^([^\d]+)(\d*)$: || die "Bad phone $_";
$phones_of{$1} .= "$_ "; }
foreach $list (values %phones_of) {print $list . "\n"; } ' \
| sort > $dir/nonsilence_phones.txt || exit 1;
# A few extra questions that will be added to those obtained by automatically clustering
# the "real" phones. These ask about stress; there's also one for silence.
cat $dir/silence_phones.txt| awk '{printf("%s ", $1);} END{printf "\n";}' > $dir/extra_questions.txt || exit 1;
cat $dir/nonsilence_phones.txt | perl -e 'while(<>){ foreach $p (split(" ", $_)) {
$p =~ m:^([^\d]+)(\d*)$: || die "Bad phone $_"; $q{$2} .= "$p "; } } foreach $l (values %q) {print "$l\n";}' \
>> $dir/extra_questions.txt || exit 1;
grep -v ';;;' $dir/cmudict/cmudict.0.7a | \
perl -ane 'if(!m:^;;;:){ s:(\S+)\(\d+\) :$1 :; print; }' \
> $dir/lexicon1_raw_nosil.txt || exit 1;
# Add to cmudict the silences, noises etc.
# the sort | uniq is to remove a duplicated pron from cmudict.
(echo '!SIL SIL'; echo '<SPOKEN_NOISE> SPN'; echo '<UNK> SPN'; echo '<NOISE> NSN'; ) | \
cat - $dir/lexicon1_raw_nosil.txt | sort | uniq > $dir/lexicon2_raw.txt || exit 1;
# lexicon.txt is without the _B, _E, _S, _I markers.
# This is the input to wsj_format_data.sh
cp $dir/lexicon2_raw.txt $dir/lexicon.txt
rm $dir/lexiconp.txt 2>/dev/null
echo "Dictionary preparation succeeded"