Commit af37d842 authored by Nagendra Goel's avatar Nagendra Goel
Browse files

A tiny utility

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5244 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
parent 80279982
#!/usr/bin/perl
# Copyright 2015 GoVivace Inc. (Author: Nagendra Kumar Goel)
# 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.
# Analyze a segments file and print important stats on it.
$dur = $total = 0;
$maxDur = 0;
$minDur = 9999999999;
$n = 0;
while(<>){
chomp;
@t = split(/\s+/);
$dur = $t[3] - $t[2];
$total += $dur;
if ($dur > $maxDur) {
$maxSegId = $t[0];
$maxDur = $dur;
}
if ($dur < $minDur) {
$minSegId = $t[0];
$minDur = $dur;
}
$n++;
}
$avg=$total/$n;
$hrs = $total/3600;
print "Total $hrs hours of data\n";
print "Average segment length $avg seconds\n";
print "Segment $maxSegId has length of $maxDur seconds\n";
print "Segment $minSegId has length of $minDur seconds\n";
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