File list (Check if you may need any files):
digital signal operations\AAbeep.wav
.........................\cconvr.m
.........................\corrcoef.m
.........................\decimate.m
.........................\fastft.m
.........................\filter.m
.........................\interpolate.m
.........................\lcucc1.m
.........................\overlapadd.m
.........................\overlapsave.m
.........................\ovrlapadd1.m
.........................\test.wav
digital signal operations