Optical disk device and optical disk process method, and optical disk
An optical disc device and optical disc technology, applied in the field of optical disc devices, can solve problems such as difficulty in providing high value-added information, insufficient security of distribution information, and insufficient video image performance capabilities
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[0026] An optical disc device and an optical disc handled by the device according to a preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
[0027]
[0028] First, an example of an optical disc handled by the optical disc device according to the present invention will be described below with reference to the accompanying drawings. This disc considers compatibility with existing DVD-Video specifications, and has the following data structure. FIG. 2 shows an example of the data structure of a DVD-Video reproduced in a DVD-Video player, which is the optical disc device shown in FIG. 1, which will be described later. Fig. 2 shows enhanced DVD video disc, wherein, the DVD video content (with MPEG2 program flow) identical data structure with existing DVD video standard is stored in DVD video area, thereby can record enhanced navigation (hereinafter referred to as in another record area) is ENAV), entities in the other...
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