Files that contain the .ratdvd file extension normally store compressed DVD disk images. The RATDVD file format is a container file format. This format allows a user to reduce the size of a video file while still maintaining full picture quality.
This particular container format allows a user to take an entire, full-featured DVD and copy it into a single file without the need for multiple files for playback.
The RATDVD file format supports multiple audio channels and video angles and can save multiple versions of the same movie in a single container. These files can also contain complete DVD menus and an array of DVD navigation features.
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