In step 930, the recovery stage recovers a first set of narrowband signals wL using the sampled signals {HEAD ~ ym} produced by {TAIL ~ the conversion stage} 
produced by
In step 930 , the recovery stage recovers a first set of narrowband signals wL using the sampled signals { HEAD ~ ym } produced by { TAIL ~ the conversion stage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL