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