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