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MD at a glance
MD
Markdown was created in 2004 by John Gruber with Aaron Swartz, but the later CommonMark effort became important because the original syntax description was too ambiguous to keep implementations aligned.
MQV at a glance
MQV
The .mqv extension appeared on some Sony camcorders and recording devices around the mid-2000s as an internal variant of the QuickTime/MOV container carrying Sony-proprietary metadata tracks and stream wrappers.
Format comparison
| Feature | MD | MQV |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
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| MIME type |
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| Created year | 2004 | 2007 |
| Inventor | John Gruber and Aaron Swartz | Sony |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use MD
- Your source file is already in MD.
- Preserve source expectations before exporting to MQV.
- MD is commonly used in document workflows.
When to use MQV
- Your target workflow expects MQV.
- Improve delivery compatibility with MQV.
- MQV is commonly used in video workflows.
FAQs
Why convert MD to MQV?
Convert to or from MQV when migrating recordings off older Sony consumer devices, preserving original camera exports, or normalizing a proprietary Sony library into MP4, MOV, or another easier editing format.
It is primarily a legacy-ingest and archive-recovery format.
What changes when converting MD to MQV?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MD to MQV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.