Patent ID: 7738780

Claim:
A method for controlling a recording operation of a digital video device, comprising: accessing a filter table stored in the digital video device, the filter table including one or more user-selected content restrictions relating to at least one of sex, violence, or gruesome content; detecting start and end time codes that correspond to a portion of a data stream, reproduction of which is to be restricted by a restriction operation, the start and end time codes of said portion of the data stream corresponding to the one or more user-selected content restrictions set in the filter table; generating navigation information for selectively controlling playback of the data stream without said portion corresponding to the one or more user-selected content restrictions, the navigation information generated based on the detected start and end time codes; recording at least a portion of the data stream and the navigation information on a disk or other medium, said recording including changing original playlist data on the disk or other medium based on the navigation information for selectively controlling playback of the data stream without said portion corresponding to the one or more user-selected content restrictions; generating user-defined playlist data to control reproduction of the data stream overall including said portion corresponding to the one or more user-selected content restrictions, and recording the user-defined playlist data separately from the original playlist data as navigation information in a lead-in area of the disk, wherein playback of the data stream without said portion corresponding to the one or more user-selected content restrictions is controlled based on the user-defined playlist recorded as navigation information in the lead-in area of the disk.