This reproduces pulse code modulated sound waveform data capable of simultaneously reproducing over a plurality of sets of {HEAD ~ sound channels} represented by {TAIL ~ a product} of M and N 
represented by
This reproduces pulse code modulated sound waveform data capable of simultaneously reproducing over a plurality of sets of { HEAD ~ sound channels } represented by { TAIL ~ a product } of M and N
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH