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TXT in het kort
TXT
Plain-text files are older than most modern document ecosystems, and many later markup and structured-writing formats exist precisely because people wanted to preserve text readability while layering more structure on top.
PMD in het kort
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.
Formaatvergelijking
| Kenmerk | TXT | PMD |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1963 | 2004 |
| Inventor | ASCII/plain-text computing tradition | Sony |
| Status | active | legacy |
| Primary use cases |
|
|
Wanneer je elk formaat gebruikt
When to use TXT
- Your source file is already in TXT.
- Preserve source expectations before exporting to PMD.
- TXT 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.
Veelgestelde vragen
Why convert TXT 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 TXT to PMD?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting TXT to PMD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.