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RST at a glance
RST
reStructuredText grew from the Docutils project and positioned itself as a more rigorously structured markup option than many looser lightweight markup 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 | RST | PMD |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2004 |
| Inventor | Docutils project / David Goodger lineage | Sony |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use RST
- Your source file is already in RST.
- Preserve source expectations before exporting to PMD.
- RST is commonly used in document 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 RST 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 RST to PMD?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting RST to PMD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.