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#!/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.
##
## This work was supported in part by funding from the Defense Advanced
## Research Projects Agency and the National Science Foundation of the
## United States of America, and the CMU Sphinx Speech Consortium.
##
## 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: Ricky Houghton (Alan W Black)
##
## Pulled this out of slace.treebuilder to allow this to run on
## multiple machines
use strict;
use File::Copy;
use File::Basename;
use File::Spec::Functions;
use File::Path;
use lib catdir(dirname($0), updir(), 'lib');
use SphinxTrain::Config;
use SphinxTrain::Util;
#*************************************************************************
# This script runs the build_tree script for each state of each basephone
#*************************************************************************
die "USAGE: $0 <phone> " if @ARGV != 1;
my $phone = shift;
use vars qw($MLLT_FILE $MODEL_TYPE);
$MLLT_FILE = catfile($ST::CFG_MODEL_DIR, "${ST::CFG_EXPTNAME}.mllt");
$MODEL_TYPE = 'cd';
my $logdir = "${ST::CFG_LOG_DIR}/40.buildtrees";
mkdir ($logdir,0777);
$| = 1; # Turn on autoflushing
my $mdef_file = "${ST::CFG_BASE_DIR}/model_architecture/${ST::CFG_EXPTNAME}.untied.mdef";
my $mixture_wt_file = "${ST::CFG_BASE_DIR}/model_parameters/${ST::CFG_EXPTNAME}.${MODEL_TYPE}_${ST::CFG_DIRLABEL}_untied/mixture_weights";
my $means_file = "${ST::CFG_BASE_DIR}/model_parameters/${ST::CFG_EXPTNAME}.${MODEL_TYPE}_${ST::CFG_DIRLABEL}_untied/means";
my $variances_file = "${ST::CFG_BASE_DIR}/model_parameters/${ST::CFG_EXPTNAME}.${MODEL_TYPE}_${ST::CFG_DIRLABEL}_untied/variances";
my $tree_base_dir = "${ST::CFG_BASE_DIR}/trees";
my $unprunedtreedir = "$tree_base_dir/${ST::CFG_EXPTNAME}.unpruned";
mkdir ($tree_base_dir,0777);
mkdir ($unprunedtreedir,0777);
my $state = 0;
my $return_value = 0;
while ( $state < $ST::CFG_STATESPERHMM) {
if ($return_value = BuildTree ($phone,$state)) {
last;
}
$state++;
}
exit $return_value;
# SubRoutine created from build_tree.pl
sub BuildTree
{
my $phn = shift;
my $stt = shift;
my $logfile = "$logdir/${ST::CFG_EXPTNAME}.buildtree.${phn}.${stt}.log";
Log("${phn} ${stt} ", 'result');
# RAH 7.21.2000 - These were other possible values for these
# variables, I'm not sure the circumstance that would dictate
# either set of values
# -stwt 1.0 0.1 0.01
# -stwt 1.0 0.3 0.2
# -stwt 1.0 0.3 0.1 0.01 0.001
# -ssplitthr 8e-4 \
# -csplitthr 1e-5 \
my @stwt;
if ($ST::CFG_STATESPERHMM == 5) {
@stwt = qw(1.0 0.3 0.1 0.01 0.001);
} elsif ($ST::CFG_STATESPERHMM == 4) {
@stwt = qw(1.0 0.1 0.0 0.0);
} elsif ($ST::CFG_STATESPERHMM == 3) {
@stwt = qw(1.0 0.05 0.0);
} elsif ($ST::CFG_STATESPERHMM == 2) {
@stwt = qw(1.0 0.025);
} elsif ($ST::CFG_STATESPERHMM == 1) {
@stwt = qw(1);
} else {
LogError("Failed to guess weights for training the tree for large number $ST::CFG_STATESPERHMM of states per HMM");
exit (1);
}
my @gauflag;
if ($ST::CFG_HMM_TYPE eq ".cont.") {
@gauflag = (-meanfn => $means_file,
-varfn => $variances_file,
-fullvar => $ST::CFG_FULLVAR);
}
else {
# Treat PTM as semi-continuous
$ST::CFG_HMM_TYPE = ".semi.";
}
my @phnflag;
if ($ST::CFG_CROSS_PHONE_TREES eq 'yes') {
@phnflag = (-allphones => 'yes');
}
else {
@phnflag = (-phone => $phn);
}
return RunTool('bldtree', $logfile, 0,
-treefn => "$unprunedtreedir/$phn-$stt.dtree",
-moddeffn => "$mdef_file",
-mixwfn => "$mixture_wt_file",
-ts2cbfn => $ST::CFG_HMM_TYPE,
-mwfloor => 1e-8,
-psetfn => $ST::CFG_QUESTION_SET,
@phnflag,
-state => $stt,
-stwt => join(",", @stwt),
@gauflag,
-ssplitmin => 1,
-ssplitmax => 7,
-ssplitthr => 0,
-csplitmin => 1,
-csplitmax => 2000,
-csplitthr => 0);
}
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