Label: qa

Content with label qa in SCAPE (See content from all spaces)
Related Labels: planning, lsdr, validation, characterisation, watch, identification, obsolescence, issue, repair, conformance, webarchive, system_obsolescence, unknown_characteristics, image

Page: IS10 Potential bit rot in image files that were stored on CD
Title \\ IS10 Potential bit rot in image files that were stored on CD Detailed description Digitised master image files (TIFFs) from a legacy digitisation project were stored for a number of years on CD. Corresponding service/access images ...
Other labels: lsdr, issue
Page: IS12 ARC to WARC migration
Title \\ IS12 ARC to WARC migration \\ Detailed description Migration from ARC to WARC is desirable as the WARC archive is better suited for the future of web archiving.  Scalability Challenge \\ ARC and WARC are both container formats. At the present SB has ...
Other labels: webarchive, issue, planning, watch, obsolescence
Page: IS13 wmv to Video Format-X Migration Results in Out-of-sync Sound and Video
Title \\ IS13 wmv to video formatX Migration Results in Outofsync Sound and Video Detailed description SB does not want to keep the windows media video files for preservation. Earlier attempts at migration using ffmpeg failed on some files. Some ...
Other labels: lsdr, issue, planning, obsolescence
Page: IS16 Normalisation of JPEG 2000 images
Title \\ IS16 Normalisation of JPEG 2000 images Detailed description Problem: within a number digitisation projects, the KB has received JPEG 2000 images that contain features that are a potential preservation risk. Two examples: # For one project, we have ...
Other labels: repair, lsdr, issue, planning, obsolescence
Page: IS19 Migrate whole archive to new archiving system
Title \\ IS19 Migrate whole archive to new archiving system Detailed description Problem: a typical characteristic of digital archives that aim for “longterm preservation” is that the life cycle of the technical infrastructure on which they are based is much shorter than the period for which their contained ...
Other labels: lsdr, issue, planning, watch, system_obsolescence
Page: IS1 Digitised TIFFs do not meet storage and access requirements
Title \\ IS1 Digitised TIFFs do not meet storage and access requirements Detailed description A important part of digital preservation is the willingness and financial commitment of a memory institution to preserve the data for the long term. Given the time scales in question any cost ...
Other labels: lsdr, issue, obsolescence
Page: IS20 Detect audio files with very bad sound quality
Title \\ IS20 Detect audio files with very bad sound quality Detailed description In a collection of mp3 files (20 Tbytes 360.000 files) we have discovered files with very bad sound quality. Before ingesting everything into our ...
Other labels: characterisation, lsdr, issue
Page: IS21 Migration of mp3 to wav
Title \\ IS21 Migration of mp3 to wav Detailed description A large collection of mp3files (20 Tbytes 175.000 files) needs to be migrated to wav. Because of the large amount of data we need automatic QA algorithms to ensure that migration went well ...
Other labels: lsdr, issue, planning, obsolescence
Page: IS27 Quality assurance in redownload workflows of digitised books
Title \\ Quality assurance in redownload workflows of digitised books \\ Detailed description Cultural heritage institutions such as libraries, museums and archives have been carrying out large scale digitisation projects during the last decade. The production of digitised versions of books ...
Other labels: lsdr, issue, planning
Page: IS28 Structural and visual comparisons for web page archiving
Title \\ Structural and visual comparisons for web page archiving \\ Detailed description We propose in the context of Web archiving, a framework combining stateoftheart comparison methods that use the source code of Web pages, with computer vision techniques to detect whether successive ...
Other labels: issue, obsolescence