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ARW at a glance
ARW
As Sony expanded from consumer electronics into serious camera bodies and sensors, ARW became part of the broader shift that put Sony raw support on the critical path for many photo applications.
M2V at a glance
M2V
The .m2v extension became the conventional identifier for demultiplexed MPEG-2 video elementary streams during the DVD authoring era, when tools separated video from program streams for independent processing.
Format comparison
| Feature | ARW | M2V |
|---|---|---|
| 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 | 1995 |
| Inventor | Sony | Moving Picture Experts Group (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 | Supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | 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 M2V
- editing
- mastering
- streaming delivery
- Clean separation of video from multiplexing layers enables independent processing.
FAQs
Why convert ARW to M2V?
Choose M2V as target when dVD authoring video preparation, broadcast MPEG-2 processing where audio is handled as a separate stream, and MPEG-2 encoding pipelines.
What changes when converting ARW to M2V?
DVD authoring video preparation, broadcast MPEG-2 processing where audio is handled as a separate stream, and MPEG-2 encoding pipelines.
What should I review after converting ARW to M2V?
After conversion, review these destination checks: Open converted output in FFmpeg and verify behavior on real samples; Compare output against the expected depends quality profile; Contains no audio, timing metadata, or container structure — requires multiplexing for playback.
How can I keep quality stable in ARW to M2V conversion?
Run representative samples, keep settings deterministic, and monitor these risks: MPEG-2 compression efficiency is significantly lower than modern codecs like H.264 or HEVC; Contains no audio, timing metadata, or container structure — requires multiplexing for playback; Validate destination compatibility before large-batch conversion.