speech-tools/testsuite/lpc.sh
2015-09-19 10:52:26 +02:00

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#!/bin/sh
###########################################################################
## ##
## Centre for Speech Technology Research ##
## University of Edinburgh, UK ##
## Copyright (c) 1999 ##
## All Rights Reserved. ##
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## DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ##
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###########################################################################
SIG2FV=$TOP/bin/sig2fv
SIGFILTER=$TOP/bin/sigfilter
CH_TRACK=$TOP/bin/ch_track
CH_WAVE=$TOP/bin/ch_wave
DATA=$TOP/lib/example_data
lpc_test () {
/bin/rm -f tmp/kdt_001.lpc
/bin/rm -f tmp/kdt_001.res
echo "LPC params" >&2
echo "LPC params"
$SIG2FV "$DATA/kdt_001.wav" -o tmp/kdt_001.lpc -otype est -lpc_order 16 -coefs "lpc" -pm "$DATA/kdt_001.pm" -preemph 0.95 -factor 3 -window_type hamming
$SIGFILTER "$DATA/kdt_001.wav" -o tmp/kdt_001.res -otype nist -lpcfilter tmp/kdt_001.lpc -inv_filter
$CH_TRACK -info tmp/kdt_001.lpc
$CH_WAVE -info tmp/kdt_001.res
# Should not be any of these unless there is an error
grep "0.000000" tmp/kdt_001.lpc
grep "NaN" tmp/kdt_001.lpc
grep -i "Infinity" tmp/kdt_001.lpc
}
mfcc_test () {
/bin/rm -f tmp/kdt_001.mfcc
echo "MFCC params" >&2
echo "MFCC params"
$SIG2FV -coefs melcep -delta melcep -melcep_order 12 -fbank_order 24 -shift 0.005 -factor 5.0 -preemph 0.97 -otype est "$DATA/kdt_001.wav" -o tmp/kdt_001.mfcc
$CH_TRACK -info tmp/kdt_001.mfcc
echo "expect one line containing 0s (first delta params)"
numzeros=`grep "0.000000" tmp/kdt_001.mfcc | wc -l`
echo "Number of vectors with 0s is " $numzeros
}
echo >$OUTPUT
lpc_test 2>&1 >> $OUTPUT
mfcc_test 2>&1 >> $OUTPUT
exit 0