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