1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
#!/usr/bin/perl
## ====================================================================
##
## Copyright (c) 1996-2000 Carnegie Mellon University. All rights
## reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
##
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
##
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
##
## 3. The names "Sphinx" and "Carnegie Mellon" must not be used to
## endorse or promote products derived from this software without
## prior written permission. To obtain permission, contact
## sphinx@cs.cmu.edu.
##
## 4. Redistributions of any form whatsoever must retain the following
## acknowledgment:
## "This product includes software developed by Carnegie
## Mellon University (http://www.speech.cs.cmu.edu/)."
##
## THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
## ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
## THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
## NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##
## ====================================================================
##
## Author: Evandro Gouvea
##
use File::Path;
use File::Copy;
use File::Basename;
use File::Spec::Functions;
use lib catdir(dirname($0), updir(), 'lib');
use SphinxTrain::Config;
use SphinxTrain::Util;
#************************************************************************
# this script performs decoding.
# it needs as inputs a set of models in pocketsphinx format
# a mdef file and cepstra with transcription files.
#************************************************************************
$| = 1; # Turn on autoflushing
die "USAGE: $0 <part> <npart>" if (($#ARGV != ($index + 1)) and ($#ARGV != ($index - 1)));
if ($#ARGV == ($index + 1)) {
$part = $ARGV[$index];
$npart = $ARGV[$index + 1];
} else {
$part = 1;
$npart = 1;
}
$modelname = $ST::DEC_CFG_MODEL_NAME;
$processname = "decode";
$log_dir = "$ST::DEC_CFG_LOG_DIR/$processname";
mkdir ($log_dir,0777) unless -d $log_dir;
$result_dir = "$ST::DEC_CFG_RESULT_DIR";
mkdir ($result_dir,0777) unless -d $result_dir;
$logfile = "$log_dir/${ST::DEC_CFG_EXPTNAME}-${part}-${npart}.log";
$matchfile = "$result_dir/${ST::DEC_CFG_EXPTNAME}-${part}-${npart}.match";
$matchsegfile = "$result_dir/${ST::DEC_CFG_EXPTNAME}-${part}-${npart}.matchseg";
$hmm_dir = "$ST::CFG_BASE_DIR/model_parameters/$modelname";
$nlines = 0;
open INPUT, "${ST::DEC_CFG_LISTOFFILES}";
while (<INPUT>) {
$nlines++;
}
close INPUT;
$ctloffset = int ( ( $nlines * ( $part - 1 ) ) / $npart );
$ctlcount = int ( ( $nlines * $part ) / $npart ) - $ctloffset;
$ST::DEC_CFG_WORDPENALTY = 0.2 unless defined($ST::DEC_CFG_WORDPENALTY);
if (defined($ST::DEC_CFG_SVSPEC)) {
push(@ST::DEC_CFG_EXTRA_ARGS, -svspec => $ST::DEC_CFG_SVSPEC);
}
if (defined($ST::DEC_CFG_GRAMMAR)) {
push(@ST::DEC_CFG_EXTRA_ARGS, -jsgf => $ST::DEC_CFG_GRAMMAR);
} elsif (defined($ST::DEC_CFG_FSG)) {
push(@ST::DEC_CFG_EXTRA_ARGS, -fsg => $ST::DEC_CFG_FSG);
} else {
push(@ST::DEC_CFG_EXTRA_ARGS, -lm => $ST::DEC_CFG_LANGUAGEMODEL);
}
Log("Decoding $ctlcount segments starting at $ctloffset (part $part of $npart) ", 'result');
my $rv = RunTool('pocketsphinx_batch', $logfile, $ctlcount,
-hmm => $hmm_dir,
-feat => $ST::CFG_FEATURE,
-ceplen => $ST::CFG_VECTOR_LENGTH,
-ncep => $ST::CFG_VECTOR_LENGTH,
-lw => $ST::DEC_CFG_LANGUAGEWEIGHT,
-fwdflatlw => $ST::DEC_CFG_LANGUAGEWEIGHT,
-bestpathlw => $ST::DEC_CFG_LANGUAGEWEIGHT,
-beam => $ST::DEC_CFG_BEAMWIDTH,
-wbeam => $ST::DEC_CFG_WORDBEAM,
-fwdflatbeam => $ST::DEC_CFG_BEAMWIDTH,
-fwdflatwbeam => $ST::DEC_CFG_WORDBEAM,
-pbeam => $ST::DEC_CFG_BEAMWIDTH,
-lpbeam => $ST::DEC_CFG_BEAMWIDTH,
-lponlybeam => $ST::DEC_CFG_BEAMWIDTH,
-dict => GetDict(),
-wip => $ST::DEC_CFG_WORDPENALTY,
-ctl => $ST::DEC_CFG_LISTOFFILES,
-ctloffset => $ctloffset,
-ctlcount => $ctlcount,
-cepdir => $ST::DEC_CFG_FEATFILES_DIR,
-cepext => $ST::DEC_CFG_FEATFILE_EXTENSION,
-hyp => $matchfile,
-hypseg => $matchsegfile,
-agc => $ST::DEC_CFG_AGC,
-varnorm => $ST::DEC_CFG_VARNORM,
-cmn => $ST::DEC_CFG_CMN,
-loglevel => "INFO",
@ST::DEC_CFG_EXTRA_ARGS);
if ($rv) {
LogError("Failed to start pocketsphinx_batch\n");
}
exit ($rv);
|
