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PMD in sintesi
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.
HDR in sintesi
HDR
HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.
Confronto tra formati
| Caratteristica | PMD | HDR |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1989 |
| Inventor | Sony | Greg Ward |
| Status | legacy | active |
| Transparency | Non supportato | Non supportato |
| Animation | Non supportato | Non supportato |
| Primary use cases |
|
|
| Layer support | Non supportato | Non supportato |
| Camera raw data | Non supportato | Non supportato |
| HDR support | Non supportato | Supportato |
| Streaming ready | Supportato | Non supportato |
Quando usare ciascun formato
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to HDR.
- PMD is commonly used in video workflows.
When to use HDR
- Your target workflow expects HDR.
- Improve delivery compatibility with HDR.
- HDR is commonly used in image workflows.
Domande frequenti
Why convert PMD to HDR?
Convert to HDR when you need scene-referred high-dynamic-range image data for rendering, environment lighting, or technical HDR processing.
It is useful for lighting assets and specialized imaging pipelines.
What changes when converting PMD to HDR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to HDR adds HDR content. Moving to HDR removes streaming delivery.
What should I review after converting PMD to HDR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.