The apparatus 18, wherein the pre equalization estimator performs one of an interpolation and an extrapolation on {HEAD ~ the prefiltering values} of {TAIL ~ the second frames} 
of
The apparatus 18 , wherein the pre equalization estimator performs one of an interpolation and an extrapolation on { HEAD ~ the prefiltering values } of { TAIL ~ the second frames }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL