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VC-1 at a glance
VC-1
Microsoft submitted WMV9 to SMPTE for standardization in 2003, and the resulting VC-1 standard was approved in 2006. It was adopted alongside H.264 and MPEG-2 as a mandatory Blu-ray Disc video codec.
VML at a glance
VML
VML emerged as a 1998 W3C submission backed by Microsoft and partners such as Autodesk, Hewlett-Packard, Macromedia, and Visio, reflecting the moment when web graphics standards were still unsettled.
Format comparison
| Feature | VC-1 | VML |
|---|---|---|
| File type | Not available | Not available |
| Extensions |
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| MIME type |
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| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Transparency | Not available | Not available |
| Animation | Not available | Not available |
| Primary use cases |
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| Common software |
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| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Layer support | Not available | Not available |
When to use each format
When to use VC-1
- editing
- mastering
- streaming delivery
- SMPTE-standardized codec with formal specification and compliance testing.
When to use VML
- illustration
- diagramming
- brand asset delivery
- Designed to preserve editable vector and text semantics.
FAQs
Why convert VC-1 to VML?
Choose VML as target when convert to or from VML when migrating legacy Office drawings, cleaning up IE-era web content, or translating Microsoft-specific vector markup into SVG, PNG, or modern document formats.
What changes when converting VC-1 to VML?
Convert to or from VML when migrating legacy Office drawings, cleaning up IE-era web content, or translating Microsoft-specific vector markup into SVG, PNG, or modern document formats. It is mainly a bridge format for archival recovery and standards migration.
What should I review after converting VC-1 to VML?
After conversion, review these destination checks: Open converted output in Microsoft Office legacy stack and verify behavior on real samples; Compare output against the expected scalable quality profile; Never became the durable open web vector standard.
How can I keep quality stable in VC-1 to VML conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Primarily a compatibility and migration concern today; Never became the durable open web vector standard; Validate destination compatibility before large-batch conversion.