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PMD at a glance
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.
EXR at a glance
EXR
OpenEXR came from film-production needs at ILM and then evolved into an open industry format that spread across rendering, compositing, and broader high-end image pipelines.
Format comparison
| Feature | PMD | EXR |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2003 |
| Inventor | Sony | Industrial Light & Magic |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to EXR.
- PMD is commonly used in video workflows.
When to use EXR
- Your target workflow expects EXR.
- Improve delivery compatibility with EXR.
- EXR is commonly used in image workflows.
FAQs
Why convert PMD to EXR?
Convert to EXR when the image needs high dynamic range, floating-point precision, render passes, or linear-light compositing.
It is ideal for CGI, VFX, and advanced HDR production pipelines.
What changes when converting PMD to EXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to EXR adds HDR content. Moving to EXR removes streaming delivery.
What should I review after converting PMD to EXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.