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#!/bin/bash
# Copyright 2014 David Snyder
# Apache 2.0.
#
# Calculates the 3s, 10s, and 30s error rates and C_avgs on the LRE07
# General Language Recognition closed-set using the directory containing
# the language identification posteriors. Detailed results such as the
# probability of misses for individual languages are computed in
# local/lre07_eval/lre07_results.
. ./cmd.sh
. ./path.sh
set -e
posterior_dir=$1
languages_file=$2
mkdir -p local/lre07_eval/lre07_results
lre07_dir=local/lre07_eval/lre07_results
local/lre07_eval/lre07_targets.pl $posterior_dir/posteriors data/lre07/utt2lang \
$languages_file $lre07_dir/targets \
$lre07_dir/nontargets>/dev/null
# Create the the score (eg, targets.scr) file.
local/lre07_eval/score_lre07.v01d.pl -t $lre07_dir/targets -n $lre07_dir/nontargets
# Compute the posterior probabilities for each duration, as well as
# the target and nontarget files.
for dur in "3" "10" "30"; do
utils/filter_scp.pl -f 1 data/lre07/"$dur"sec \
$posterior_dir/posteriors > \
$posterior_dir/posteriors_"$dur"sec
local/lre07_eval/lre07_targets.pl $posterior_dir/posteriors_"$dur"sec \
<(utils/filter_scp.pl -f 1 data/lre07/"$dur"sec data/lre07/utt2lang) \
$languages_file \
"$lre07_dir"/targets_"$dur"sec "$lre07_dir"/nontargets_"$dur"sec>/dev/null
local/lre07_eval/score_lre07.v01d.pl -t "$lre07_dir"/targets_"$dur"sec -n \
"$lre07_dir"/nontargets_"$dur"sec>/dev/null
done
printf '% 15s' 'Duration (sec):'
for dur in "avg" "3" "10" "30"; do
printf '% 7s' $dur;
done
echo
printf '% 15s' 'ER (%):'
# Get the overall classification and then individual duration error rates.
er=$(compute-wer --text ark:<(lid/remove_dialect.pl data/lre07/utt2lang) \
ark:$posterior_dir/output 2>/dev/null | grep "WER" | awk '{print $2 }')
printf '% 7.2f' $er
for dur in "3" "10" "30"; do
er=$(compute-wer --text ark:<(utils/filter_scp.pl -f 1 \
data/lre07/"$dur"sec data/lre07/utt2lang | lid/remove_dialect.pl -) \
ark:<(utils/filter_scp.pl -f 1 data/lre07/"$dur"sec \
$posterior_dir/output) \
2>/dev/null | grep "WER" | awk '{print $2 }')
printf '% 7.2f' $er
done
echo
printf '% 15s' 'C_avg (%):'
# Get the overall C_avg and then C_avgs for the individual durations.
cavg=$(tail -n 1 $lre07_dir/targets.scr \
| awk '{print 100*$4 }')
printf '% 7.2f' $cavg
for dur in "3" "10" "30"; do
cavg=$(tail -n 1 $lre07_dir/targets_${dur}sec.scr \
| awk '{print 100.0*$4 }')
printf '% 7.2f' $cavg
done
echo
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