lp_syn.test

speech signal process tools

#!/bin/csh -f
# This material contains unpublished, proprietary software of 
# Entropic Research Laboratory, Inc. Any reproduction, distribution, 
# or publication of this work must be authorized in writing by Entropic 
# Research Laboratory, Inc., and must bear the notice: 
#
#    "Copyright (c) 1994-1996  Entropic Research Laboratory, Inc. 
#                   All rights reserved"
#
# The copyright notice above does not evidence any actual or intended 
# publication of this source code.     
#
# @(#)lp_syn.test	1.2	1/22/97	ERL
# 
# Written by:  Derek Lin
# Checked by:
# Revised by:
# 
# Brief description: test script for lp_syn
# 

setenv USE_ESPS_COMMON off
setenv ESPS_VERBOSE 0

copysd $ESPS_BASE/demo/speech.sd s.d
get_f0 s.d s.f0
set nsamp = `hditem -i ndrec s.d`
echo "computing RC..."
refcof -wHANNING -l160 -S80 -o 10 -e0.95 -p1:$nsamp -z -Z s.d s.cof  
get_resid -a1 s.d s.cof s.if  
echo "computing epochs..."
epochs s.if s.pe  
mask s.f0 s.pe s.out
ps_ana -f s.f0p s.d s.out s.rc  

lp_syn -t0.2 -f1.2 -u2 s.rc s.f0p s.syn  

cat > ref <<EOD
1346 
1513 
1256 
1364 
706 
726 
387 
378 
-352 
-463 
-997 
-1176 
-1267 
-1450 
-1514 
-1736 
-1514 
-1726 
-1152 
-1302 
-1010 
EOD

pplain -r56000:56020 s.syn > test
diff test ref

echo "diff output for 20 numbers:  there should be little or no difference"
rm s.d s.f0 s.cof s.if s.pe s.out s.rc s.f0p s.syn test ref

# 1/15/94
# At least on sparc and sgi, ONLY on unvoiced regions, the final 
#    synthesized speech signals have opposite signs, but with same magnitude.
#    Perhaps somewhere in the code something is compared with 0.00000000 which
#    sign machine dependent.