Video Online Delivery - HD MP4 [VID-D2]
Record Type: Digital Moving Images from Video Source Material
Expected Use: Distribution Copy
Product Name: Video Online Delivery - HD MP4 [VID-D2]
Product Purpose: This product is primarily used for online delivery through the National Archives Catalog. The product is also served as a reference copy onsite in National Archives and Records Administration (NARA) research rooms.
Nature of Source Material: Any digital reproduction master file from video source material.
File Properties
Container Format |
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Container |
File Specifications |
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Target Total Bitrate: ~2.1 Mbps Video Data:
Audio Data:
Typical File Size: ~15.67 MB/minute or .940 GB/hour |
Possible File Derivatives
None.
Other Information
Previously, the Audio-Video Preservation Lab created Windows Media (WMV) files for the National Archives Catalog.
Quality Control
Quality Assurance and Quality Control for Distribution Copy Video Products
The Audio-Video Lab relies on visual and auditory quality control (QC) and spot checks to confirm completeness and technical characteristics of the files.
Metadata
The file name contains metadata that associates the file with external sources of descriptive and technical metadata. Each file name is a unique identifier composed of the item’s record group, series, and item number.