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MPEG at a glance
MPEG
For many users, '.mpeg' became a generic term for digital video long before MP4 and browser-native video delivery simplified the consumer story.
DCR at a glance
DCR
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | MPEG | DCR |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2004 |
| Inventor | MPEG | Kodak |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use MPEG
- Your source file is already in MPEG.
- Preserve source expectations before exporting to DCR.
- MPEG is commonly used in video workflows.
When to use DCR
- Your target workflow expects DCR.
- Improve delivery compatibility with DCR.
- DCR is commonly used in image workflows.
FAQs
Why convert MPEG to DCR?
Convert to DCR when preserving compatibility with an older camera-specific raw workflow or recovering legacy photographic originals.
In current practice it is mainly an archival and migration target.
What changes when converting MPEG to DCR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DCR adds camera raw data.
What should I review after converting MPEG to DCR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.