File list (Check if you may need any files):
signal\signal\sigdemos\Contents.m
......\......\........\cztdemo.m
......\......\........\demos.m
......\......\........\filtdem.m
......\......\........\filtdem2.m
......\......\........\filtdemo.m
......\......\........\moddemo.m
......\......\........\phone.m
......\......\........\sgolaydemo.m
......\......\........\sigdemo1.m
......\......\........\sigdemo2.m
......\......\........\sosdemo.m
......\......\...gui\@fdax\delete.m
......\......\......\.....\eq.m
......\......\......\.....\fdax.m
......\......\......\.....\get.m
......\......\......\.....\overlay.m
......\......\......\.....\set.m
......\......\......\.....\setpos.m
......\......\......\.....\subsasgn.m
......\......\......\.....\subsref.m
......\......\......\...line\delete.m
......\......\......\.......\eq.m
......\......\......\.......\fdline.m
......\......\......\.......\get.m
......\......\......\.......\set.m
......\......\......\.......\subsasgn.m
......\......\......\.......\subsref.m
......\......\......\...meas\delete.m
......\......\......\.......\eq.m
......\......\......\.......\fdmeas.m
......\......\......\.......\get.m
......\......\......\.......\set.m
......\......\......\.......\subsasgn.m
......\......\......\.......\subsref.m
......\......\......\.......\userchange.m
......\......\......\...spec\delete.m
......\......\......\.......\eq.m
......\......\......\.......\fdspec.m
......\......\......\.......\get.m
......\......\......\.......\set.m
......\......\......\.......\subsasgn.m
......\......\......\.......\subsref.m
......\......\......\.......\userchange.m
......\......\......\Contents.m
......\......\......\fdbutter.m
......\......\......\fdbutter.p
......\......\......\fdcheby1.m
......\......\......\fdcheby2.m
......\......\......\fdcheby2.p
......\......\......\fdellip.m
......\......\......\fdellip.p
......\......\......\fdfirls.m
......\......\......\fdkaiser.m
......\......\......\fdpzedit.m
......\......\......\fdremez.m
......\......\......\fdremez.p
......\......\......\fdutil.m
......\......\......\fdutil.p
......\......\......\filtdes.m
......\......\......\filtdes.p
......\......\......\filtview.m
......\......\......\filtview.p
......\......\......\getsigpref.m
......\......\......\panfcn.m
......\......\......\panfcn.p
......\......\......\printcomp.m
......\......\......\...vate\applyfilt.m
......\......\......\.......\applyfilt.p
......\......\......\.......\appstr.m
......\......\......\.......\appstr.p
......\......\......\.......\assignline.m
......\......\......\.......\assignline.p
......\......\......\.......\fdhelpstr.m
......\......\......\.......\fdmodp.m
......\......\......\.......\fdobjhelp.m
......\......\......\.......\findcstr.m
......\......\......\.......\fixedfont.m
......\......\......\.......\fixedfont.p
......\......\......\.......\framelab.m
......\......\......\.......\framelab.p
......\......\......\.......\fvhelpstr.m
......\......\......\.......\fvinit.m
......\......\......\.......\fvinit.p
......\......\......\.......\fvmotion.m
......\......\......\.......\fvmotion.p
......\......\......\.......\fvresize.m
......\......\......\.......\fvresize.p
......\......\......\.......\fvzoom.m
......\......\......\.......\fvzoom.p
......\......\......\.......\importfilt.m
......\......\......\.......\importfilt.p
......\......\......\.......\importsig.m
......\......\......\.......\importsig.p
......\......\......\.......\importspec.m
......\......\......\.......\importspec.p
......\......\......\.......\inbounds.m
......\......\......\.......\inbounds.p
......\......\......\.......\iscolor.m
......\......\......\.......\iscolor.p