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ICB at a glance
ICB
The Truevision line grew out of EPICenter-era PC graphics boards, and several board names ended up surviving as filename extensions even when the underlying raster structure stayed close to the wider TGA family.
3GPP Mobile Video at a glance
3GPP Mobile Video
The 3GP format emerged around 2003 alongside the 3GPP standards body's efforts to enable multimedia messaging and streaming on 2G/3G handsets, adopting the ISO BMFF container already proven by MP4.
Format comparison
| Feature | ICB | 3GPP Mobile Video |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | medium | large |
| Compatibility | broad | moderate |
| Editability | moderate | limited |
| Created year | 1991 | 2001 |
| Inventor | Truevision | 3rd Generation Partnership Project (3GPP) |
| 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 | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use ICB
- capture ingest
- editing
- web or print delivery
- Important for long-tail compatibility with historic Truevision-era assets.
When to use 3GPP Mobile Video
- editing
- mastering
- streaming delivery
- Extremely compact container designed for mobile-network delivery constraints.
FAQs
Why convert ICB to 3GPP Mobile Video?
Choose 3GPP Mobile Video as target when preserving early phone footage, reopening MMS-era media libraries, or targeting an older handset workflow that still expects 3GP-style packaging.
What changes when converting ICB to 3GPP Mobile Video?
Convert to 3GPP mobile video when preserving early phone footage, reopening MMS-era media libraries, or targeting an older handset workflow that still expects 3GP-style packaging. In most current environments it is better treated as a migration source than as a preferred final format.
What should I review after converting ICB to 3GPP Mobile Video?
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; Limited resolution and bitrate profiles compared to full MP4.
How can I keep quality stable in ICB to 3GPP Mobile Video conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Declining relevance as modern smartphones record natively to MP4; Limited resolution and bitrate profiles compared to full MP4; Validate destination compatibility before large-batch conversion.