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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.
##
## 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: Ricky Houghton
##
use strict;
use File::Basename;
use File::Spec::Functions;
use lib catdir(dirname($0), updir(), 'lib');
use SphinxTrain::Config;
use SphinxTrain::Util;
#***************************************************************************
# Script to find the VQ codebooks for the training set.
# The codewords in the codebook will be used later as the means of
# clusters for the Discrete HMMs.
#***************************************************************************
#TODO - Finish usage
#print "Usage: $0\n";
my ($hmmdir,$outhmm,$segdmpdir,$dumpfile,$logfile);
$| = 1; # Turn on autoflushing
my $mllt_file = catfile($ST::CFG_MODEL_DIR, "${ST::CFG_EXPTNAME}.mllt");
my $model_type = 'ci';
# Definitions
$hmmdir = "$ST::CFG_BASE_DIR/model_parameters";
mkdir ($hmmdir,0777);
$outhmm = "$hmmdir/${ST::CFG_EXPTNAME}.${model_type}_${ST::CFG_DIRLABEL}_flatinitial";
mkdir ($outhmm,0777);
$segdmpdir = "$ST::CFG_BWACCUM_DIR/${ST::CFG_EXPTNAME}_buff_1";
mkdir ($segdmpdir,0777);
$dumpfile = "$segdmpdir/${ST::CFG_EXPTNAME}.dmp";
my $logdir = "$ST::CFG_LOG_DIR/05.vector_quantize";
mkdir ($logdir,0777);
$logfile = "$logdir/${ST::CFG_EXPTNAME}.kmeans.log";
$| = 1;
my @feat_args;
if (defined($ST::CFG_SVSPEC)){
@feat_args = (-svspec =>$ST::CFG_SVSPEC);
}
if (-r $mllt_file) {
push(@feat_args,
-lda => $mllt_file,
-ldadim => $ST::CFG_LDA_DIMENSION);
}
exit RunTool('kmeans_init', $logfile, 0,
-gthobj => 'single',
-stride => 1,
-ntrial => 1,
-minratio => 0.001,
-ndensity => $ST::CFG_INITIAL_NUM_DENSITIES,
-meanfn => "$outhmm/means",
-varfn => "$outhmm/variances",
-fullvar => $ST::CFG_FULLVAR,
-reest => 'no',
-segdmpdirs => $segdmpdir,
-segdmpfn => $dumpfile,
-ceplen => $ST::CFG_VECTOR_LENGTH,
-feat => $ST::CFG_FEATURE,
@feat_args,
-agc => $ST::CFG_AGC,
-cmn => $ST::CFG_CMN,
-varnorm => $ST::CFG_VARNORM);
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