An LR separating unit outputs {TAIL ~ an LR separation signal} separated into {HEAD ~ left and right image signals} in each of frames having the same image content 
An LR separating unit outputs { TAIL ~ an LR separation signal } separated into { HEAD ~ left and right image signals } in each of frames having the same image content
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH