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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.
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.
Format comparison
| Feature | SRF | DPX |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 1994 |
| Inventor | Sony | SMPTE / Kodak lineage |
| Status | proprietary | active |
| 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 | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use SRF
- Your source file is already in SRF.
- Preserve source expectations before exporting to DPX.
- SRF is commonly used in image workflows.
When to use DPX
- Your target workflow expects DPX.
- Improve delivery compatibility with DPX.
- DPX is commonly used in image workflows.
FAQs
Why convert SRF to DPX?
Convert to DPX when the destination is a color pipeline, VFX handoff, scanned-film workflow, or professional frame-sequence archive.
It is ideal for high-fidelity moving-image production and preservation.
What changes when converting SRF to DPX?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DPX removes camera raw data. Moving to DPX adds streaming delivery.
What should I review after converting SRF to DPX?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.