nodiff

speech signal process tools

#! /bin/sh 
# This material contains unpublished, proprietary software of 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) 1990-1991  Entropic Research Laboratory, Inc. 
#                   All rights reserved"
#
# The copyright notice above does not evidence any actual or intended 
# publication of this source code.     
#
# @(#)nodiff	1.6	11/26/91	ERL
# 
# Written by:  Bill Byrne
# Checked by:
# Revised by:
# 
# Brief description: nodiff - nth order difference
# 
USE_ESPS_COMMON=off; export USE_ESPS_COMMON
ESPS_VERBOSE=0; export ESPS_VERBOSE
USAGE="Usage: nodiff [-f field_name] [-o order] [-r range] [-x debug_level] fea.in fea.out"
case $# in
0|1)
	echo "$USAGE"
	exit 1 ;;
esac

prgm=nod
infilename=
outfilename=
ORDER=1
X_OPT=
R_OPT=
FLDNAME=spec_param

letter_opt=
for i in $*
do
	case $letter_opt in
	-o)
		ORDER=$i
		letter_opt= ;;
	-x)
		X_OPT=-x$i
		letter_opt= ;;
	-f)
		FLDNAME=$i
		letter_opt= ;;
	-r)	
		R_OPT = -r$i
		letter_opt= ;;
	"")
		case $i in
		-o)
			letter_opt=-o ;;
		-o*)
			ORDER=`echo $i | awk '{print substr($0, 3)}'`;;
		-f)
			letter_opt=-f ;;
		-f*)
			FLDNAME=`echo $i | awk '{print substr($0, 3)}'`;;
		-r)
			letter_opt=-r ;;
		-r*)
			R_OPT=-r`echo $i | awk '{print substr($0, 3)}'`;;
		-x)
			letter_opt=-x ;;
		-x*)
			X_OPT=-x`echo $i | awk '{print substr($0, 3)}'`;;
		*) 	
			if test $infilename
			then 
				outfilename=$i
			else
				infilename=$i
			fi;;
		esac
	esac
done

FLDNAMEOUT="$FLDNAME"_d"$ORDER"

case $ORDER in
1 | 2 | 3 | 4 | 5)
	FLTNAME=`get_esps_base`/lib/filters/diff$ORDER.filt;;
*)
	echo "nodiff: order $ORDER out of range - exiting."
	exit 1 ;;
esac

if test ! -r $FLTNAME 
then
	echo "nodiff: can't find the difference file $FLTNAME"
	exit 1
fi

case $infilename in 
-) 
	case $R_OPT in 
	"")
		cat > /tmp/nodiff_in$$ 
		tofeasd  $X_OPT -f $FLDNAME /tmp/nodiff$$ - |\
		filter   $X_OPT $R_OPT -F $FLTNAME - - |\
		feafunc  $X_OPT -f samples -f $FLDNAMEOUT - - |\
		mergefea $X_OPT -f $FLDNAMEOUT - /tmp/nodiff$$ $outfilename 
		rm /tmp/nodiff$$ ;;
	*)	
		echo "nodiff: stdin not allowed with -r option - exiting."
		exit 1 ;;
	esac ;;
*)
	copysps $X_OPT $R_OPT $infilename /tmp/nodiff$$
	tofeasd  $X_OPT -f $FLDNAME $infilename - |\
	filter   $X_OPT $R_OPT -F $FLTNAME - - |\
	feafunc  $X_OPT -f samples -f $FLDNAMEOUT - - |\
	mergefea $X_OPT -f $FLDNAMEOUT - - |\
	mergefea $X_OPT -f $FLDNAMEOUT - /tmp/nodiff$$ $outfilename 
	rm /tmp/nodiff$$ ;;
esac