using a first up mixing rule for calculating a first portion of the reconstruction of the multi channel signal corresponding to {TAIL ~ the first portion} of {HEAD ~ the multi channel signal}, wherein the first upmixing rule is depending on the first parametric data; and 
using a first up mixing rule for calculating a first portion of the reconstruction of the multi channel signal corresponding to { TAIL ~ the first portion } of { HEAD ~ the multi channel signal } , wherein the first upmixing rule is depending on the first parametric data ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH