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egs/sre16/v1/local/make_mx6_mic.pl
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#!/usr/bin/perl
use warnings; #sed replacement for -w perl parameter
# Copyright 2017 David Snyder
# Apache 2.0
# Prepares Mixer 6 (LDC2013S03) speech from a specified microphone and
# downsamples it to 8k.
if (@ARGV != 3) {
print STDERR "Usage: $0 <path-to-LDC2013S03> <channel> <path-to-output>
";
print STDERR "e.g. $0 /export/corpora5/LDC/LDC2013S03 02 data/
";
exit(1);
}
($db_base, $ch, $out_dir) = @ARGV;
@bad_channels = ("01", "03", "14");
if (/$ch/i ~~ @bad_channels) {
print STDERR "Bad channel $ch
";
exit(1);
}
if (! -d "$db_base/mx6_speech/data/pcm_flac/CH$ch/") {
print STDERR "Directory $db_base/mx6_speech/data/pcm_flac/CH$ch/ doesn't exist
";
exit(1);
}
$out_dir = "$out_dir/mx6_mic_$ch";
if (system("mkdir -p $out_dir")) {
print STDERR "Error making directory $out_dir
";
exit(1);
}
if (system("mkdir -p $out_dir") != 0) {
print STDERR "Error making directory $out_dir
";
exit(1);
}
open(SUBJECTS, "<$db_base/mx6_speech/docs/mx6_subjs.csv") || die "cannot open $$db_base/mx6_speech/docs/mx6_subjs.csv";
open(SPKR, ">$out_dir/utt2spk") || die "Could not open the output file $out_dir/utt2spk";
open(GNDR, ">$out_dir/spk2gender") || die "Could not open the output file $out_dir/spk2gender";
open(WAV, ">$out_dir/wav.scp") || die "Could not open the output file $out_dir/wav.scp";
open(META, "<$db_base/mx6_speech/docs/mx6_ivcomponents.csv") || die "cannot open $db_base/mx6_speech/docs/mx6_ivcomponents.csv";
while (<SUBJECTS>) {
chomp;
$line = $_;
@toks = split(",", $line);
$spk = $toks[0];
$gender = lc $toks[1];
if ($gender eq "f" or $gender eq "m") {
print GNDR "$spk $gender
";
}
}
$num_good_files = 0;
$num_bad_files = 0;
while (<META>) {
chomp;
$line = $_;
@toks = split(",", $line);
$flac = "$db_base/mx6_speech/data/pcm_flac/CH$ch/$toks[0]_CH$ch.flac";
$t1 = $toks[7];
$t2 = $toks[8];
@toks2 = split(/_/, $toks[0]);
$spk = $toks2[3];
$utt = "${spk}_MX6_$toks2[0]_$toks2[1]_$ch";
if (-f $flac) {
print SPKR "${utt} $spk
";
print WAV "${utt} sox -t flac $flac -r 8k -t wav - trim $t1 =$t2 |
";
$num_good_files++;
} else {
print STDERR "File $flac doesn't exist
";
$num_bad_files++;
}
}
print STDERR "Processed $num_good_files utterances; $num_bad_files had missing flac data.
";
close(SUBJECTS) || die;
close(GNDR) || die;
close(SPKR) || die;
close(WAV) || die;
close(META) || die;
if (system(
"utils/utt2spk_to_spk2utt.pl $out_dir/utt2spk >$out_dir/spk2utt") != 0) {
die "Error creating spk2utt file in directory $out_dir";
}
system("utils/fix_data_dir.sh $out_dir");
if (system("utils/validate_data_dir.sh --no-text --no-feats $out_dir") != 0) {
die "Error validating directory $out_dir";
}
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