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3G2 at a glance
3G2
Convert to 3G2 when preserving compatibility with legacy CDMA handset recordings, telecom media archives, or workflows that explicitly expect 3GPP2-style mobile video.
It is useful for migration and recovery of old phone clips.
For current playback and sharing, MP4 is almost always the better destination.
M2V at a glance
M2V
DVD authoring video preparation, broadcast MPEG-2 processing where audio is handled as a separate stream, and MPEG-2 encoding pipelines.
Format comparison
| Feature | 3G2 | M2V |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | large | large |
| Compatibility | moderate | moderate |
| Editability | limited | limited |
| Created year | 2004 | 1995 |
| Inventor | 3GPP2 | Moving Picture Experts Group (MPEG) |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | delivery |
| Layer support | Not supported | Supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use 3G2
- editing
- mastering
- streaming delivery
- Useful for long-tail mobile-media compatibility.
When to use M2V
- editing
- mastering
- streaming delivery
- Clean separation of video from multiplexing layers enables independent processing.
FAQs
Why convert 3G2 to M2V?
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 3G2 to M2V?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to M2V adds layer support. Moving to M2V adds streaming delivery.
What should I review after converting 3G2 to M2V?
Check the exported file for Contains no audio, timing metadata, or container structure — requires multiplexing for playback.; MPEG-2 compression efficiency is significantly lower than modern codecs like H.264 or HEVC.; Relies on external tools to re-add synchronization and audio for delivery..