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3G2 at a glance
3G2
3G2 belongs to an era when mobile ecosystems were more fragmented across standards families, carriers, and handset capabilities.
PFM at a glance
PFM
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
Format comparison
| Feature | 3G2 | PFM |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | large | medium |
| Compatibility | moderate | broad |
| Editability | limited | moderate |
| Created year | 2004 | 1995 |
| Inventor | 3GPP2 | Paul Debevec |
| 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 | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use 3G2
- editing
- mastering
- streaming delivery
- Useful for long-tail mobile-media compatibility.
When to use PFM
- capture ingest
- editing
- web or print delivery
- Useful for technical sample interchange and tooling.
FAQs
Why convert 3G2 to PFM?
Choose PFM as target when high-precision floating-point image data must survive for rendering, HDR processing, or technical analysis.
What changes when converting 3G2 to PFM?
Convert to PFM when high-precision floating-point image data must survive for rendering, HDR processing, or technical analysis. It is useful as a working format in graphics and research pipelines.
What should I review after converting 3G2 to PFM?
After conversion, review these destination checks: Open converted output in codec tooling and verify behavior on real samples; Compare output against the expected depends quality profile; Not intended for mainstream publishing or editing.
How can I keep quality stable in 3G2 to PFM conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Sparse everyday application support; Not intended for mainstream publishing or editing; Validate destination compatibility before large-batch conversion.