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ARW at a glance
ARW
Convert to ARW when preserving Sony camera originals or returning processed material to a Sony raw workflow.
It is useful for archival retention, high-latitude editing, and non-destructive photographic post-processing.
MPEG at a glance
MPEG
Convert to MPEG when maintaining compatibility with older playback devices, disc-related workflows, or archived video libraries that were created around classic MPEG distribution.
It is useful as a bridge format for restoring or normalizing legacy video.
For current delivery, newer containers and codecs are usually better.
Format comparison
| Feature | ARW | MPEG |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | large |
| Compatibility | limited | moderate |
| Editability | high | limited |
| Created year | 2006 | 1993 |
| Inventor | Sony | MPEG |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| Layer support | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ARW
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
When to use MPEG
- editing
- mastering
- streaming delivery
- Historically widespread video compatibility.
FAQs
Why convert ARW to MPEG?
Convert to MPEG when maintaining compatibility with older playback devices, disc-related workflows, or archived video libraries that were created around classic MPEG distribution.
It is useful as a bridge format for restoring or normalizing legacy video.
For current delivery, newer containers and codecs are usually better.
What changes when converting ARW to MPEG?
This conversion changes how the format behaves in downstream tools and delivery environments.
Quality profile changes from raw in ARW to depends in MPEG. Editability profile changes from high in ARW to limited in MPEG. Compatibility profile changes from limited in ARW to moderate in MPEG. Archival profile changes from strong in ARW to moderate in MPEG. Metadata profile changes from rich in ARW to moderate in MPEG. Delivery profile changes from limited in ARW to strong in MPEG. Workflow profile changes from source in ARW to delivery in MPEG.
Moving to MPEG removes camera raw data.
What should I review after converting ARW to MPEG?
Check the exported file for Naming is often ambiguous.; Usually converted into newer containers for current workflows..