.VOB is the file extension used for DVD-Video Object Files.
A VOB file contains the stream data for a movie formatted as multiplexed video stream, audio streams,
and subtitle streams.
The format of a VOB file is MPEG-2 (Moving Picture Experts Group) standardized by ISO as ISO/IEC 13818.
VOB files on a DVD-Video disc are automatically fetched and decoded by the DVD player machine,
or DVD player application on a computer.
A stand alone VOB file can be opened and played by DVD player applications
like Media Player Classic.
On a DVD movie disc, you may see more that one VOB files, becauses a movie vidoe is
usually divided into VOB files with 1,073,709,056 bytes or less.
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