Patent ID: 7302161

Claim:
An information recording/reproducing apparatus for recording and playback video information, wherein said video information is adapted to an information processing data format that is defined to include (1) video packs of which data is configured by a packet header containing scrambling control information and compressed video data, (2) audio packs of which data is audio information, (3) unit control information (RDI) packs as managing information including copy control information, (4) a video object unit including one unit control information (RDI) pack at the head and including the video packs and audio packs continuing to the unit control information pack, (5) and video object (VOB) including one or more of the video object unit (VOBU), the apparatus comprising: an encoder including a video encoder, an audio encoder and a formatter, which assembles the video packs, the audio packs and the video object unit; a controller including a RDI processing section and a packet header processing section, which coordinates content of the copy control information in the video object unit, by detecting a copy control information from the input source, where the RDI processing section changes the content of the copy control information in the RDI pack to the corresponding content with the detected copy control information, and the packet header processing section changes the content of scrambling control information in the headers in the video packs belonging to the video object unit to the corresponding content with the detected copy control information.