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