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MPEG-2 in het kort
MPEG-2
MPEG-2 was developed as the successor to MPEG-1, scaling video quality from VHS-level to broadcast and studio levels. It underpinned the DVD-Video standard (1996) and digital broadcast systems worldwide (DVB, ATSC, ISDB).
CRW in het kort
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
Formaatvergelijking
| Kenmerk | MPEG-2 | CRW |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1995 | 2000 |
| Inventor | Moving Picture Experts Group (MPEG) | Canon |
| Status | active | proprietary |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use MPEG-2
- Your source file is already in MPEG-2.
- Preserve source expectations before exporting to CRW.
- MPEG-2 is commonly used in video workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
Veelgestelde vragen
Why convert MPEG-2 to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting MPEG-2 to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CRW adds camera raw data. Moving to CRW removes streaming delivery.
What should I review after converting MPEG-2 to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.