{HEAD ~ The sampled portions} of {TAIL ~ the analog video signal} filtered by the filters are provided to a four to one multiplexer which is coupled to the controller 
of
{ HEAD ~ The sampled portions } of { TAIL ~ the analog video signal } filtered by the filters are provided to a four to one multiplexer which is coupled to the controller
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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