{HEAD ~ means} for filtering {TAIL ~ a first color component signal} from a composite signal to provide a filtered first color component signal 
{ HEAD ~ means } for filtering { TAIL ~ a first color component signal } from a composite signal to provide a filtered first color component signal
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH