#!/bin/csh
#
# Examples for extract 
#
# parameters are: (1) channel to extract (0=left, 1=right)
#                 (2) input soundfile name
#                 (3) output soundfile name
#

if ($1 == "") then
   set SOUNDDIR = ../
else
   set SOUNDDIR = $1
endif

if ($2 == "") then
   set BINDIR = ../../bin
else
   set BINDIR = $2
endif

echo Creating $SOUNDDIR/extractbefore.wav which is a stereo file

rm -f $SOUNDDIR/extractbefore.wav
$BINDIR/binauralBeats "(0 1150; 1 150)" "(0 150; 1 252; 2 152)" \
   $SOUNDDIR/extractbefore.wav >/dev/null <<EOT
3
EOT


echo Creating $SOUNDDIR/extractleft.wav which is the left channel of 
echo "   previous file"

rm -f $SOUNDDIR/extractleft.wav
$BINDIR/extract 0 $SOUNDDIR/extractbefore.wav \
   $SOUNDDIR/extractleft.wav >/dev/null


echo Creating $SOUNDDIR/extractright.wav which is the right channel of 
echo "   previous file"

rm -f $SOUNDDIR/extractright.wav
$BINDIR/extract 1 $SOUNDDIR/extractbefore.wav \
   $SOUNDDIR/extractright.wav >/dev/null