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VOB at a glance
VOB
VOB belongs to the age when physical discs dominated home video distribution and playback behavior was shaped by DVD standards.
SGI at a glance
SGI
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | VOB | SGI |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1996 | 1990 |
| Inventor | DVD Forum | Silicon Graphics Inc. |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use VOB
- Your source file is already in VOB.
- Preserve source expectations before exporting to SGI.
- VOB is commonly used in video workflows.
When to use SGI
- Your target workflow expects SGI.
- Improve delivery compatibility with SGI.
- SGI is commonly used in image workflows.
FAQs
Why convert VOB to SGI?
Convert to SGI when recovering or maintaining compatibility with workstation-era graphics assets and archives.
It is useful mainly for migration, restoration, and historical graphics interoperability.
What changes when converting VOB to SGI?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting VOB to SGI?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.