Patent ID: 7844054

Claim:
An information recording apparatus comprising: an input unit for inputting a data stream received from a preset input source, the data stream including at least a video stream; and a recording unit for recording the data stream in one or more stream files on a recording medium and for recording ancillary data on the recording medium in one or more further files that are respectively associated with the one or more stream files, the ancillary data including source type information indicating the source type of the preset input source and including status information, the source type information being indicative of whether output of the video stream after being decoded is permitted at a high definition television (HDTV) resolution or is only permitted at a standard definition television resolution and being indicative of whether or not the data stream is derived from an input source concordant with a rule pertinent to a content protecting function usable for applying restrictions on the reproduction of the data stream, the ancillary data including further information indicative of whether an analog copy protection signal is to be inserted into the video stream when the decoded video stream is output as an analog video stream, the status information indicating a same copying status as indicated by a digital watermark embedded within the one or more stream files thereby enabling the copying status of the one or more stream files to be determined without requiring analysis of the one or more stream files.