Multi channel audio decoder in accordance 1 further comprising an up mixer for calculating {HEAD ~ a reconstruction} of {TAIL ~ the multi channel signal}, 
Multi channel audio decoder in accordance 1 further comprising an up mixer for calculating { HEAD ~ a reconstruction } of { TAIL ~ the multi channel signal } ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH