In a two channel circuit with {HEAD ~ two inputs} and two sensors, the reconstructed source signals are assumed to be decorrelated such that the cross correlation between {TAIL ~ the reconstructed source signals} is near zero 
In a two channel circuit with { HEAD ~ two inputs } and two sensors , the reconstructed source signals are assumed to be decorrelated such that the cross correlation between { TAIL ~ the reconstructed source signals } is near zero
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL OTH OTH OTH