![]() ![]() In the past with the first two types, the digital copy files based on existing files included only the main audio track (often only stereo) and no subtitles, compared to the multiple audio tracks and multiple subtitle options available from DVD and Blu-ray. The third version is an alphanumeric code included on a slip of paper within the physical film's keep case, which is typed in and redeemed at an online portal which allows the customer to download the film at the store of their choice, using their own bandwidth, or stream it through a cloud service at the time of viewing as part of a retailer's digital locker where the customer retains permanent access to the film's digital file. Digital Copy systems based on existing pre-generated files are less flexible than dynamic transcoding solutions. In both scenarios the publisher decides which content, formats, digital rights management (DRM) systems and technical parameters are used for the Digital Copy. The second is created dynamically from the DVD content itself. The first is a copy made in advance and included on the disc.
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