File list (Check if you may need any files):
dsp
...\AFD_BUTT.M
...\AFD_CHB1.M
...\AFD_CHB2.M
...\AFD_ELIP.M
...\AMPL_RES.M
...\BLACKMAN.M
...\CAS2DIR.M
...\casfiltr.m
...\CHEB1HPF.M
...\CIRCEVOD.M
...\CIRCONVT.M
...\CIRSHFTT.M
...\CONTENTS.M
...\CONV_M.M
...\CONV_TP.M
...\cplxcomp.m
...\DB2DELTA.M
...\DELTA2DB.M
...\DFS.M
...\dft.m
...\dir2cas.m
...\DIR2FS.M
...\DIR2LADR.M
...\DIR2LATC.M
...\dir2par.m
...\Dir2paro.m
...\EVENODD.M
...\FF.m
...\FREQS_M.M
...\FREQZ_M.M
...\HR_TYPE1.M
...\HR_TYPE2.M
...\HR_TYPE3.M
...\HR_TYPE4.M
...\HSOLPSAV.M
...\IDEAL_LP.M
...\IDFS.M
...\IDFT.M
...\impseq.m
...\IMP_INVR.M
...\LADR2DIR.M
...\LADRFILT.M
...\LATC2DIR.M
...\LATCFILT.M
...\Lin.m
...\LMS.M
...\MOD.M
...\MULAW_C.M
...\MULAW_E.M
...\OVRLPSAV.M
...\PAR2DIR.M
...\parfiltr.m
...\PFE2RFZ.M
...\Pzplotz.m
...\QUANTIZE.M
...\RF2PFEZ.M
...\SDIR2CAS.M
...\SIGADD.M
...\SIGFOLD.M
...\SIGMULT.M
...\SIGSHIFT.M
...\SINC.M
...\stepseq.m
...\U_BUTTAP.M
...\U_CHB1AP.M
...\U_CHB2AP.M
...\U_ELIPAP.M
...\ZMAPPING.M