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JPM in het kort
JPM
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.
DPX in het kort
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.
Formaatvergelijking
| Kenmerk | JPM | DPX |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1994 |
| Inventor | Joint Photographic Experts Group | SMPTE / Kodak lineage |
| Status | active | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Ondersteund | Niet ondersteund |
| Vector scaling | Ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Ondersteund |
Wanneer je elk formaat gebruikt
When to use JPM
- Your source file is already in JPM.
- Preserve source expectations before exporting to DPX.
- JPM 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.
Veelgestelde vragen
Why convert JPM 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 JPM to DPX?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DPX removes layer support. Moving to DPX removes vector scaling. Moving to DPX adds streaming delivery.
What should I review after converting JPM to DPX?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.