14. The method as recited in claim 11 wherein said undesirable words or phrases are stored in at least one library memory in a microcomputer and characters of closed-caption segments are compared with characters of such undesirable words or phrases for detection thereof.
14. The method as recited in claim 11 wherein said undesirable words or phrases are stored in at least one library memory in a microcomputer and characters of closed-caption segments are compared with characters of such undesirable words or phrases for detection thereof. 15. The method as recited in claim 14 wherein there is a second library memory in addition to said at least one library memory, said second library memory having additional undesirable words not present in said at least one library memory.