Difference between revisions of "Format policies"
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Revision as of 12:15, 30 April 2010
Main Page > Documentation > Media type preservation plans
Migration and emulation
Archivematica maintains the original format of all ingested files to support migration and emulation preservation strategies.
Normalization
Archivematica's primary preservation strategy is to normalize files to preservation and access formats upon ingest. The choice of access formats is based on the ubiquity of viewers for the file format. Archivematica's preservation formats are all open standards. Additionally, the choice of preservation format is based on community best practices, availability of open-source normalization tools, and an analysis of the significant properties for each media type.
Media type preservation plans
| Media type | File formats | Preservation format(s) | Access format(s) | Normalization tool |
|---|---|---|---|---|
| Application files | BAT, JS, JAR, PL, PY, SQL, VBS | |||
| Audio | AC3, MP3, WAV, WMA | WAVE (LPCM) | MP3 | FFmpeg |
| Portable Document Format | PDF/A | PDF/A | ||
| Presentation files | PPT | ODF | Xena or OpenOffice Impress | |
| Raster images | BMP, GIF, JPG, JP2, PNG, TIFF, TGA | Uncompressed TIFF | JPEG | ImageMagick |
| Raw camera files | NEF | DNG | JPEG | DigiKam DNG Converter |
| Spreadsheets | XLS | ODF | Original format | Xena or OpenOffice Calc |
| Text | AXF, CSS, CSV, HTML, RTF, TXT, XML, XSL, SQL | AXF]], CSS, CSV, HTML, RTF, TXT, XML, XSL, SQL | ||
| Vector images | AI, EPS, SVG | SVG | ||
| Video | AVI, FLV, MOV, MPEG, SWF, WMV | MPEG-2 | OGV | FFmpeg |
| Word processing files | DOC, WPD | ODF | Xena or OpenOffice Writer |