25. A settop box incorporating the parental control system as recited in claim 15 .
15. A parental control system for an electronic device to filter objectionable material from a multimedia program including plural segments, comprising: a learning module to generate filter criteria learned based on user instructions by examples of objectionable content; a splitting mechanism that splits the multimedia program into plural components; a transcript analysis module that extracts first audible features and text from a transcript analysis component within the plural components; a visual analysis module that extracts video features from a visual analysis component within the plural components; an audio analysis module that extracts second audible features from an audio analysis component within the plural components; an analyzer which processes each segment amongst the segments, according to the learned filter criteria generated by the learning module and the extracted features, and generates a numeric ranking corresponding to the filter criteria learned based on the user instructions by examples of objectionable content and applied to the segment, and which generates a respective control signal when the numeric ranking exceeds a threshold; and a filter, which processes one of the segments of the multimedia program in response to a received respective control signal.