Importance

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Abstract

A system is provided for filtering out potentially objectionable content from a video. The system is preferably implemented with user equipment such as a set-top box, a dedicated stand-alone box, a videocassette recorder, or circuitry in other television equipment. Videos to be filtered have embedded information that identifies potentially objectionable substitution events. The system determines which substitution events are to be filtered out based on selectable ratings settings. If desired, filtered video images may be replaced with blank video images and filtered audio signals may by replaced with silence or a tone. Filtering may also be accomplished by disrupting the event to be filtered (e.g., by garbling the event). Filtering may involve making substitutions of audio or video information. For example, audio information in a substitution event may be replaced by appropriate audio segments. Video information in a substitution event may be replaced by a video still or by a video clip.

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First Claim