Difference between revisions of "Format policies"

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Revision as of 18:13, 9 March 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 [[Batch file JS]], .jar, PL, .PY, .sql, .vbs
Audio .aif, mp2, MP3, WAV WMA LPCM/WAVE MP3 FFmpeg
Portable Document Format .pdf PDF/A PDF/A
Presentation files .ppt Open Document Format PDF Xena or OpenOffice Impress
Raster images .bmp, .gif, .ico, .jpg, jp2, .png, .tif, .tga Uncompressed TIFF PNG ImageMagick
Raw camera files .nef DNG PNG DigiKam DNG Converter
Spreadsheets .xls Open Document Format Original format Xena or OpenOffice Calc
Text .asx, .css, .csv, .html, .rtf, .txt, .xml, .xsl
Vector images AI, SVG SVG
Video AVI, FLV, .mov, .mpg, .swf, .wmv MPEG-2/MXF OGV FFmpeg
Word processing files .doc, .eps, .wpd Open Document Format PDF Xena or OpenOffice Writer