With these coefficients, the iteration method saves {HEAD ~ the number} of {TAIL ~ multiplications} as well as additions and thus the filters speed is increased 
of
With these coefficients , the iteration method saves { HEAD ~ the number } of { TAIL ~ multiplications } as well as additions and thus the filters speed is increased
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH