Tests: Normalize

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Archivematica normalizes certain ingested file formats into preservation-friendly formats.

General

• Normalization is triggered automatically when the user approves Appraise SIP in the dashboard.
• The original files are not deleted.
• When normalized files have the same file extensions as the original, the original files are not overwritten.
• If the SIP contains files for which there are no default normalization paths, processing of the SIP does not stop.
• If any files in the SIP fail normalization, the Normalization micro-service shows the error in the dashboard.
• A copy of the SIP is placed in the failedNormalization directory.
• The user can approve the SIP by clicking Approve in the dashboard.
• The user can reject the SIP by clicking Reject. Rejected SIPs are moved to the /rejected directory.
• A text file named normalizationLog.txt is added to the logs directory in the AIP.

Audio files

• .ac3 files are normalized to uncompressed WAVE
• .aif/.aiff files are normalized to uncompressed WAVE
• .mp3 files are normalized to uncompressed WAVE
• .wav files are normalized to uncompressed WAVE
• .wma files are normalized to uncompressed WAVE

Office documents

• .doc files are normalized to ODT
• .docx files are left in their original format
• .ppt files are normalized to ODP
• .pptx files are left in their original format
• .rtf files are normalized to ODT
• .xls files are normalized to ODS
• .xlsx files are left in their original format
• .wpd files are normalized to ODT

Portable Document files

• .pdf is normalized to pdf/a (note that the file extension remains .pdf)

Plain text

.txt files are left in their original format

Raster images

• .bmp files are normalized to uncompressed TIFF 6.0
• .gif files are normalized to uncompressed TIFF 6.0
• .jpg files are normalized to uncompressed TIFF 6.0
• .jp2 files are normalized to losslessly compressed JPEG 2000
• .png files are not normalized
• .psd files are normalized to uncompressed TIFF 6.0
• .tif files are normalized to uncompressed TIFF 6.0
• .tga files are normalized to uncompressed TIFF 6.0

Vector images

• .ai files are normalized to SVG 1.1
  • multi-page .ai files are normalized to multiple single-page SVG 1.1 files
• .eps files are normalized to SVG 1.1
• .svg files are normalized to SVG 1.1
  • .svg files that tagged as SVG 1.0 but which are entirely conformant to the SVG 1.1 standard are not normalized to SVG 1.1

Video files

• .avi files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .flv files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .mov files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .mpg files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .m2v files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .mp4 files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .swf files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF
• .wmv files: video streams are normalized to MPEG-2; audio streams are normalized to uncompressed WAVE; wrapper is normalized to MXF