Microcomputer 800, which processes alignment data to determine alignment, sends {HEAD ~ an address} corresponding to a message indicating {TAIL ~ an alignment state} to a speech synthesis module 802 
Microcomputer 800 , which processes alignment data to determine alignment , sends { HEAD ~ an address } corresponding to a message indicating { TAIL ~ an alignment state } to a speech synthesis module 802
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH