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Windows Media Video File with WMV9 Professional Codec
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Format Description Properties
• ID: fdd000101
• Short name: WMV_WMV9_PRO
• Content categories: moving image
• Format category: file format, bitstream encoding
• Last significant update: 2004-05-13
Identification and description 
| Full name | Windows Media Video File with Windows Media 9 Professional Codec |
| Description | File format based in ASF (Advanced Systems Format) that wraps a Windows Media 9 professional video bitstream. |
| Production phase | Generally a final-state format for end-user delivery. |
| Relationship to other formats | |
| Subtype of | WMV (Windows Media Video) |
| Contains | WMV9_PRO video codec |
| May contain | WMA9 audio codec |
| May contain | WMA9_PRO professional audio codec |
Local use
| LC experience or existing holdings | |
| LC preference | See WMV |
Sustainability factors
| Disclosure | See WMV and ASF |
| Documentation | See WMV and ASF |
| Adoption | Not known to the compilers of this document. |
| Licensing and patent claims | See ASF for link to pages covering licensing of Windows Media and the Advanced Systems Format. |
| Transparency | Depends upon algorithms and tools to read; will require sophistication to build tools. |
| Self-documentation | See ASF |
| External dependencies | See WMV |
| Technical protection considerations | See ASF |
Quality and functionality factors (video)
| Normal rendering | Good support. |
| Clarity (support for high image resolution) | See WMV9_PRO
|
| Fidelity (support for high audio resolution) | See WMV9_PRO |
| Support for multiple sound channels | See WMV9_PRO |
| Functionality beyond normal rendering | See WMV |
File type signifiers
| Tag type | Value | Note |
| Filename Extension | wmv | |
| Internet Media Type | See WMV | |
| Magic numbers | See WMV | |
| ASF GUID | See WMV |
|
Notes
Format specifications
URLs
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Useful references
URLs
See WMV
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Last Updated: Wednesday, 07-Mar-2007 12:40:21 EST
