DVD Video Object (.VOB)
VOB (Video Object) is the container format used on DVD-Video discs, containing multiplexed MPEG-2 video, audio (AC3, DTS, or MPEG), subtitles, and navigation data. Each VOB file typically represents a portion of the DVD content, with files limited to approximately 1 GB due to the UDF filesystem used on DVDs. VOB files can include copy protection data such as CSS encryption.
Advantages of DVD Video Object
What the VOB format does well, and why you might choose it.
- Standard format for DVD-Video ensuring universal DVD player compatibility
- Supports multiple audio tracks, subtitle streams, and navigation menus
- Well-established format with decades of player and software support
Limitations of DVD Video Object
What the VOBformat doesn't do well, and when to choose another format.
- MPEG-2 video compression is inefficient by modern standards
- CSS copy protection can prevent direct playback or conversion
- Limited to DVD resolution (720x480 NTSC or 720x576 PAL)
What VOB files are used for
- DVD-Video disc content storage and playback
- DVD ripping and backup operations
- Legacy video archival from DVD collections
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Frequently asked questions about VOB
What is a .VOB file?
VOB (Video Object) is the container format used on DVD-Video discs, containing multiplexed MPEG-2 video, audio (AC3, DTS, or MPEG), subtitles, and navigation data. Each VOB file typically represents a portion of the DVD content, with files limited to approximately 1 GB due to the UDF filesystem used on DVDs. VOB files can include copy protection data such as CSS encryption.
What is the MIME type of VOB?
The official MIME type for VOB files is video/dvd. This is the value web servers and applications use to identify the format when transferring files.
What category does VOB belong to?
VOB is a Video Converter format. Files in this category share common conversion paths and use cases.
How do I open a .VOB file?
VOB files are typically opened by software that natively supports the DVD Video Objectformat. If you don't have a compatible application, the most reliable approach is to convert the file to a more universal format using the converters listed above. Most DVD Video Object files convert to widely-supported alternatives in seconds.
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