| 摘要 |
According to one embodiment, an information recording apparatus which converts an HD DVD Video Recording (HD DVD-VR) content recorded based on the HD DVD-VR format into an interoperable content compatible with the HD DVD-Video format, and records the interoperable content, generates a playlist file and video title set information file based on navigation data updated by an edit operation or the like, and generates an interoperable content which includes the playlist file, the video title set information file, and video objects included in the HD DVD-VR content.
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