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NRW at a glance
NRW
NRW reflects the period when some advanced compact cameras offered raw capture and needed to participate in the same post-processing expectations as larger interchangeable-lens systems.
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.
Format comparison
| Feature | NRW | PMD |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2008 | 2004 |
| Inventor | Nikon | Sony |
| Status | proprietary | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use NRW
- Your source file is already in NRW.
- Preserve source expectations before exporting to PMD.
- NRW is commonly used in image workflows.
When to use PMD
- Your target workflow expects PMD.
- Improve delivery compatibility with PMD.
- PMD is commonly used in video workflows.
FAQs
Why convert NRW to PMD?
Convert to PMD when maintaining compatibility with a Sony-centered production workflow, preserving source media from a professional ingest system, or migrating archived broadcast assets that were originally wrapped for structured editorial exchange.
What changes when converting NRW to PMD?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PMD removes camera raw data. Moving to PMD adds streaming delivery.
What should I review after converting NRW to PMD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.