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SR2 in het kort
SR2
Early Sony raw formats reflect the transitional period in which Sony was still establishing its photography ecosystem and raw compatibility story.
J2K in het kort
J2K
JPEG 2000 arrived as a major standards effort to improve on classic JPEG, but its practical adoption concentrated in specialist domains rather than in the universal browser-and-camera role held by JPEG.
Formaatvergelijking
| Kenmerk | SR2 | J2K |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 2000 |
| Inventor | Sony | Joint Photographic Experts Group |
| Status | proprietary | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Niet ondersteund | Ondersteund |
| Camera raw data | Ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use SR2
- Your source file is already in SR2.
- Preserve source expectations before exporting to J2K.
- SR2 is commonly used in image workflows.
When to use J2K
- Your target workflow expects J2K.
- Improve delivery compatibility with J2K.
- J2K is commonly used in image workflows.
Veelgestelde vragen
Why convert SR2 to J2K?
Convert to J2K when a technical or archival workflow explicitly expects a JPEG 2000 codestream rather than a consumer-friendly container.
It is useful in specialized interchange and preservation pipelines.
What changes when converting SR2 to J2K?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to J2K adds vector scaling. Moving to J2K removes camera raw data.
What should I review after converting SR2 to J2K?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.