Thus, {TAIL ~ the sampling frequencies} of all the six audio data signals DL, DR, DC, DSW, {HEAD ~ DSL} and DSR are the same at the stage that these audio data signals are fed into the digital signal generation circuit 54 
Thus , { TAIL ~ the sampling frequencies } of all the six audio data signals DL , DR , DC , DSW , { HEAD ~ DSL } and DSR are the same at the stage that these audio data signals are fed into the digital signal generation circuit 54
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH