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RealVideo at a glance
RealVideo
RealNetworks released the first RealVideo codec in February 1997 as part of RealPlayer 5, pioneering internet video streaming when bandwidth was extremely limited and competing with Microsoft's Windows Media and Apple's QuickTime Streaming.
3G2 at a glance
3G2
3G2 belongs to an era when mobile ecosystems were more fragmented across standards families, carriers, and handset capabilities.
Format comparison
| Feature | RealVideo | 3G2 |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | large | large |
| Compatibility | moderate | moderate |
| Editability | limited | limited |
| Created year | 1997 | 2004 |
| Inventor | RealNetworks | 3GPP2 |
| Status | legacy | 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 | Supported | Not supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use RealVideo
- editing
- mastering
- streaming delivery
- Pioneered practical streaming video delivery over extremely low-bandwidth internet connections.
When to use 3G2
- editing
- mastering
- streaming delivery
- Useful for long-tail mobile-media compatibility.
FAQs
Why convert RealVideo to 3G2?
Choose 3G2 as target when preserving compatibility with legacy CDMA handset recordings, telecom media archives, or workflows that explicitly expect 3GPP2-style mobile video.
What changes when converting RealVideo to 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.
What should I review after converting RealVideo to 3G2?
After conversion, review these destination checks: Open converted output in older phones and verify behavior on real samples; Compare output against the expected depends quality profile; Mostly legacy today.
How can I keep quality stable in RealVideo to 3G2 conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Recipients usually prefer conversion into more current containers; Mostly legacy today; Validate destination compatibility before large-batch conversion.