File list (Check if you may need any files):
excitation_features
...................\hilbertenv.m
...................\LPresidual_v3.m
...................\slopeOfZC.m
...................\ResFilter_v2.m
...................\vadAC.m
...................\res2sig.m
...................\LPres.m
...................\zeroFrequencyFilter.m
...................\epochExtract.m
...................\vnvseg.m
...................\remTrend.m
...................\loudness.m
...................\epochStrengthExtract.m
...................\zfsig.m
...................\RunMean.m