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VC-1 at a glance
VC-1
Microsoft submitted WMV9 to SMPTE for standardization in 2003, and the resulting VC-1 standard was approved in 2006. It was adopted alongside H.264 and MPEG-2 as a mandatory Blu-ray Disc video codec.
PSB at a glance
PSB
Photoshop's native format became one of the de facto interchange anchors of raster design and retouching, even outside Adobe-only teams, because so many creative pipelines converged around its feature set.
Format comparison
| Feature | VC-1 | PSB |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1990 |
| Inventor | Microsoft | Adobe |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | 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 VC-1
- Your source file is already in VC-1.
- Preserve source expectations before exporting to PSB.
- VC-1 is commonly used in video workflows.
When to use PSB
- Your target workflow expects PSB.
- Improve delivery compatibility with PSB.
- PSB is commonly used in image workflows.
FAQs
Why convert VC-1 to PSB?
Convert to PSB when the image must remain editable in Photoshop at very large dimensions or layer counts.
It is useful for oversized composites, print backdrops, and complex production artwork.
What changes when converting VC-1 to PSB?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PSB adds layer support.
What should I review after converting VC-1 to PSB?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.