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DPX at a glance
DPX
DPX inherits part of the motion-picture scanning and Kodak/Cineon lineage, then becomes formalized as a SMPTE exchange format for professional moving-image work.
SRF at a glance
SRF
Before ARW became the better-known Sony raw family, Sony's raw ecosystem already included older variants that modern tools still need to decode correctly.
Format comparison
| Feature | DPX | SRF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1994 | 2003 |
| Inventor | SMPTE / Kodak lineage | Sony |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use DPX
- Your source file is already in DPX.
- Preserve source expectations before exporting to SRF.
- DPX is commonly used in image workflows.
When to use SRF
- Your target workflow expects SRF.
- Improve delivery compatibility with SRF.
- SRF is commonly used in image workflows.
FAQs
Why convert DPX to SRF?
Convert to SRF when preserving older Sony originals or keeping a legacy Sony raw library intact.
It is useful for archive recovery and compatibility workflows.
What changes when converting DPX to SRF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to SRF adds camera raw data. Moving to SRF removes streaming delivery.
What should I review after converting DPX to SRF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.