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PMD in het kort
PMD
The .pmd extension appeared in Sony's prosumer and professional recording device output alongside other Sony-proprietary formats like MQV, serving as a companion metadata or media descriptor file.
3G2 in het kort
3G2
3G2 belongs to an era when mobile ecosystems were more fragmented across standards families, carriers, and handset capabilities.
Formaatvergelijking
| Kenmerk | PMD | 3G2 |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2004 |
| Inventor | Sony | 3GPP2 |
| Status | legacy | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Multitrack support | Niet ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to 3G2.
- PMD is commonly used in video workflows.
When to use 3G2
- Your target workflow expects 3G2.
- Improve delivery compatibility with 3G2.
- 3G2 is commonly used in video workflows.
Veelgestelde vragen
Why convert PMD 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 changes when converting PMD to 3G2?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to 3G2 removes streaming delivery.
What should I review after converting PMD to 3G2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.