#!/bin/sh# 9/7/93 @(#)cb_filt.tes	1.1USE_ESPS_COMMON=off;export USE_ESPS_COMMONESPS_VERBOSE=0;export ESPS_VERBOSEdonefile='/tmp/done'outfile='/tmp/out'echo "The following filters designed have:"echo "	 sampling rate 8000"echo "Designing Lows pass filter, visually inspect if it is:"echo "   passband ends at 1600, stopband start at 2000"echo "   maximally flat on the passband"cat > $donefile << ENDint filt_length_L = 31;int filt_length_S = 21;float samp_freq = 8000.000000;int nspec = 5;string model = "cosine";string push_direction = "neither";string spec1_type = "limit";string spec1_sense = "+";float spec1_edge1 = 0.000000;float spec1_edge2 = 1600.000000;float spec1_bound1 = 1.000000;float spec1_bound2 = 1.000000;string spec1_hug = "hugged";string spec1_interp = "arithmetic";string spec2_type = "limit";string spec2_sense = "-";float spec2_edge1 = 0.000000;float spec2_edge2 = 1600.000000;float spec2_bound1 = 0.900000;float spec2_bound2 = 0.900000;string spec2_hug = "not hugged";string spec2_interp = "arithmetic";string spec3_type = "limit";string spec3_sense = "+";float spec3_edge1 = 2000.000000;float spec3_edge2 = 4000.000000;float spec3_bound1 = 0.100000;float spec3_bound2 = 0.100000;string spec3_hug = "not hugged";string spec3_interp = "arithmetic";string spec4_type = "limit";string spec4_sense = "-";float spec4_edge1 = 2000.000000;float spec4_edge2 = 4000.000000;float spec4_bound1 = -0.100000;float spec4_bound2 = -0.100000;string spec4_hug = "not hugged";string spec4_interp = "arithmetic";string spec5_type = "concave";string spec5_sense = "-";float spec5_edge1 = 0.000000;float spec5_edge2 = 1600.000000;ENDcb_filt -P$donefile  $outfilefiltspec -ml $outfile - |plotspec -echo "Designing highpass filter, check visually"echo "   stopband ends at 1600, passband ends at 2000"echo "   maximally flat on stopband"#--------CONSTRAINT_BASED HIGHPASS --------------------cat > $donefile << ENDint filt_length_L = 31;int filt_length_S = 21;float samp_freq = 8000.000000;int nspec = 5;string model = "cosine";string push_direction = "neither";string spec1_type = "limit";string spec1_sense = "+";float spec1_edge1 = 0.000000;float spec1_edge2 = 1600.000000;float spec1_bound1 = 0.100000;float spec1_bound2 = 0.100000;string spec1_hug = "hugged";string spec1_interp = "arithmetic";string spec2_type = "limit";string spec2_sense = "-";float spec2_edge1 = 0.000000;float spec2_edge2 = 1600.000000;float spec2_bound1 = -0.100000;float spec2_bound2 = -0.100000;string spec2_hug = "not hugged";string spec2_interp = "arithmetic";string spec3_type = "limit";string spec3_sense = "+";float spec3_edge1 = 2000.000000;float spec3_edge2 = 4000.000000;float spec3_bound1 = 1.000000;float spec3_bound2 = 1.000000;string spec3_hug = "not hugged";string spec3_interp = "arithmetic";string spec4_type = "limit";string spec4_sense = "-";float spec4_edge1 = 2000.000000;float spec4_edge2 = 4000.000000;float spec4_bound1 = 0.900000;float spec4_bound2 = 0.900000;string spec4_hug = "not hugged";string spec4_interp = "arithmetic";string spec5_type = "concave";string spec5_sense = "-";float spec5_edge1 = 2000.000000;float spec5_edge2 = 4000.000000;ENDcb_filt -P$donefile  $outfilefiltspec -ml $outfile - |plotspec -#--------------DIFFERENTIATOR---------------------------echo "Designing a differentiator, visually inspect the response"echo "   passband with a slope 1 goes from 0 to 2000"echo "   stopband starts at 3200"cat > $donefile << END#float samp_freq = 8000;string model = "sine";string push_direction = "left";int filt_length_L = 16;int filt_length_S = 16; string spec1_type = "limit";string spec1_sense = "+";string spec2_type = "limit";string spec2_sense = "-";float spec1_edge1 = 0;float spec2_edge1 = 0;float spec1_edge2 = 2000;float spec2_edge2 = 2000;float spec1_bound1 = .01;float spec1_bound2 = 0.26000;float spec2_bound1 = 0;float spec2_bound2 = 0.25000;string spec1_hug ="not hugged";string spec1_interp ="arithmetic";string spec2_hug ="hugged";string spec2_interp ="arithmetic"; string spec3_type = "limit";string spec3_sense = "+";string spec4_type = "limit";string spec4_sense = "-";float spec3_edge1 = 3200;float spec3_edge2 = 4000;float spec4_edge1 = 3200;float spec4_edge2 = 4000;float spec3_bound1 = 0.01;float spec3_bound2 = 0.01;float spec4_bound1 = -0.01;float spec4_bound2 = -0.01;string spec3_hug ="not hugged";string spec3_interp ="arithmetic";string spec4_hug ="not hugged";string spec4_interp ="arithmetic"; int nspec =4;int nspec_pushed = 2;int spec1_pushed = 4;int spec2_pushed = 3;ENDcb_filt -P$donefile  $outfilefiltspec -ml $outfile - |plotspec -rm $donefilerm $outfile