Outputted is data over N sets of sound channels through time division multiplexing to M sets of {HEAD ~ independent digital/analog converting means} for converting sound channel digital data into {TAIL ~ an analog sound signal} 
Outputted is data over N sets of sound channels through time division multiplexing to M sets of { HEAD ~ independent digital / analog converting means } for converting sound channel digital data into { TAIL ~ an analog sound signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL