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PDF at a glance
Adobe introduced PDF in the early 1990s as part of the Acrobat family. Adobe later handed the specification to ISO, and PDF 1.7 became ISO 32000-1 in 2008.
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 | PDF | PMD |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2004 |
| Inventor | Adobe | Sony |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use PDF
- Your source file is already in PDF.
- Preserve source expectations before exporting to PMD.
- PDF 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 PDF 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 PDF to PMD?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PDF to PMD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.
Format resources
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