refcof.test

speech signal process tools

#! /bin/sh
# @(#)refcof.test	3.7 1/6/93 ESI
# test script for refcof 
echo ""
echo "Creating SD file of alternating ones and zeros"
echo "echo ""1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1"" | testsd -P/dev/null -a- alt.sd"
echo "1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1" | testsd -P/dev/null -a- alt.sd
echo "Compute reflection coefficients then back to autocorrelations"
echo  "refcof -P /dev/null -o5 -p1:+9 -d alt.sd alt.rc"
refcof -P/dev/null -o5 -p1:+9 -d alt.sd alt.rc
echo "spectrans -m auto alt.rc alt.auto"
spectrans -m auto alt.rc alt.auto
echo ""
echo "spec_params of alt.auto should be -.9, .8, -.7, .6, -.5"
echo ""
echo "psps -H -f spec_param alt.auto"
psps -H -f spec_param alt.auto
#now do with some other methods; can't use alt since it would 
#be unstable
echo " "
echo "Now generate sine wave (1500 Hz.), add some noise,"
echo "and analyze by different methods"
echo ""
echo "testsd -P/dev/null -p1000 -f1500 -Tsine sine.sd"
testsd -P/dev/null -p 1000 -f1500 -Tsine sine.sd
echo "testsd -P/dev/null -p1000 -Tgauss - | addsd - sine.sd test.sd"
testsd -P/dev/null -p1000 -Tgauss  - | addsd - sine.sd test.sd
echo ""
echo "The results of these analyses should be close to each other"
echo ""
set -x
rm -f combo.rc
refcof -P/dev/null -r10:+799  -m autoc test.sd autoc.rc
copysps autoc.rc combo.rc
refcof -P/dev/null -r10:+799 -m cov   test.sd cov.rc
copysps cov.rc combo.rc
refcof -P/dev/null -r10:+799 -m burg  test.sd burg.rc
copysps burg.rc combo.rc
refcof -P/dev/null -r10:+799 -m mburg test.sd mburg.rc
copysps mburg.rc combo.rc
refcof -P/dev/null -r10:+799 -m fburg test.sd fburg.rc
copysps fburg.rc combo.rc
refcof -P/dev/null -r10:+799 -m vburg test.sd vburg.rc
copysps vburg.rc combo.rc
refcof -P/dev/null -r10:+799 -m strcov test.sd strcov.rc
copysps strcov.rc combo.rc
refcof -P/dev/null -r10:+799 -m strcov1 test.sd strcov1.rc
copysps strcov1.rc combo.rc
set +x
echo ""
echo "The RC and power values should be close in psps output"
echo "and the plots should be almost on top of each other."
echo ""
set -x
xtext psps -H -f spec_param -f raw_power -f lpc_power combo.rc &
me_spec -P/dev/null combo.rc combo.fspec 
plotspec combo.fspec &
set +x 
sleep 5
echo ""
echo "Now we generate a sine wave with very low level of noise."
echo "testsd -p 100 -l .5 -Tgauss - | addsd - sine.sd test2.sd"
testsd -p100 -Tgauss -l .5 - | addsd - sine.sd test2.sd
echo "The following analysis should show different results"
echo "for FBURG (split lines) and STRCOV (right on)."
echo "The warning about PREMATURE EXIT from struct_cov is OK."
echo ""
set -x
rm -f combo2.rc
refcof -P/dev/null -r15:+25 -m fburg test2.sd fburg2.rc
copysps fburg2.rc combo2.rc
refcof -P/dev/null -r15:+25 -m strcov test2.sd strcov2.rc
copysps strcov2.rc combo2.rc
psps -H -f spec_param -f raw_power -f lpc_power combo2.rc
me_spec -P/dev/null combo2.rc combo2.fspec
plotspec combo2.fspec &

set +x
echo "Don't forget to clean up"