The document discusses Preforma and MediaConch, tools for digital preservation. MediaConch is an open-source conformance checker that reports how well files comply with standards and acceptance criteria for long-term preservation. It identifies deviations from specifications in a human and machine-readable format and can fix some simple metadata issues. Preforma aims to empower institutions to control technical properties of digital content and adopt open standards and formats like FFV1, Ogg, and JPEG 2000 for long-term preservation. The document outlines challenges for improving MediaConch and expanding its ecosystem and user base beyond the Preforma project.

1. CHECK YOURSTANDARD:
PREFORMA AND MEDIACONCH
Erwin Verbruggen
Netherlands Institute for Sound andVision
JTS 2016 –NMS Singapore

3. LABS.BEELDENGELUID.NL
OPENIMAGES.EU
BIT.LY/FLOSSINVENTORY
PRESTOCENTRE.EU

4. CONFORMANCECHECKERIN PRESERVATION
• Filehasbeenproducedaccordingtothespecificationsofa standardfileformat
–File matchestheacceptancecriteriafor long-termpreservationby amemory institution
• Reportswhichpropertiesdeviatefromthestandardspecificationand
acceptancecriteria
–In humanandmachine readableformat
• Performsautomatedfixesforsimpledeviationsinthemetadata ofthe
preservationfile.

5. IN OAISTERMS

6. SlidewiththankstoClaudioPrandoni
PREFORMA
Empowers memory institutions to
gain full control overthe technical
properties of digital content intended
for long-term preservation

7. REFERENCE STANDARD
ForPREFORMA:
1. Format can capture content in anuncompressed or mathematically lossless
encoding, and retain as many original properties as possible (ie.bit-depth,
resolution, …)
2. Format is Free/Libre(cf EIFv1)
3. Format is well documented
4. Format has beenadopted

8. Open
standard?
AUDIOVISUAL TEXT IMAGE
broadcast film Consumer
PREFORMA
stakeholders
MPEG-IMX
(MXF/MPEG2)
XDCAM HD422
(MXF/MPEG4)
DPX
DCP
(MXF/JPEG2000)
MOV/MPEG2
AVI/MPEG2
MPEG/MPEG2
MPEG/MPEG4
-AVC
PDF 1.4
PDF/A1
TIFF 6.0
JPEG
JPEG2000
RAW
Industry
standards
AS|07
(MXF/MPEG2)
(MXF/JPEG2000)
FIMS
(MXF/MPEG2)
DCDM
(TIFF 6.0)
DCP (MXF/JPEG2000)
IMF (MXF/MPEG4)
MPEG-AF PDF JPEG2000
TIFF
Open
standards
MKV/FFV1
OGG/Dirac
PNG WebM/VP8
OGG/Theora
PDF/A1
PDF/A3
PDF/A3
PNG
PREFORMA MKV (?) | OGG | JPEG2000 (?) | FFV1 | Dirac | LPCM (?) PDF/A TIFF 6.0 (?)
SlidewiththankstoBertLemmens

9. REFERENCE STANDARD
ForPREFORMA:
1. Format can capture content in anuncompressed or mathematically lossless
encoding, and retain as many original properties as possible (ie.bit-depth,
resolution, …)
2. Format is Free/Libre(cf EIFv1)
3. Format is well documented
4. Format has beenadopted

10. SeeSession 7:ReviewandcomparisonofFFV1
versusotherlossless videocodecs- PeterBubestinger
“FFV1/MKV ARE GAININGTRACTIONIN A CORNEROF THE
COMMUNITY - WHETHERFOR SIZE, HIPNESS, ANTI-
ESTABLISHMENT, SIMPLER-THAN-MXF, "FREE", OR OPEN
OR WHATEVER.”
George Blood, AMIA List, 2015-12-03

11. CHALLENGE BRIEF
• Develop anopen sourceconformancecheckerthat:
– checksif a file complieswith standard specifications
– checksif a file complieswith the acceptancecriteriaof the memoryinstitution
– reportsbackto human and softwareagents
– performssimplefixes
• Establishanecosystemaroundanopensourcereferenceimplementation that:
– generatesusefulfeedbackfor those who control software
– advances improvementof the standard specification
– advances developmentof new business casesfor managing preservationfiles
SlidewiththankstoClaudioPrandoni

12. THE PREFORMAOUTCOMES
• TI/A Standard Initiative:
– Digital HumanitiesLab/ University ofBasel
– Agents ResearchLab/ University ofGirona
– EasyInnova
• DPF Manager
• VeraPDF Consortium:
–Open PreservationFoundation
–PDFAssociation
–Digital PreservationCoalition
• PDF/A Validation

13. MEDIACONCH

16. GIFCOURTESY
ASHLEY BLEWER

18. Project Advisors
CELLAR
Codec Encoding for LossLess Archiving and Realtime transmission
CHAIRS:
TESSA FALLON
TIMTERRIBERRY

19. A LOOKFORWARD
• MediaConch development:
–Asynchronousmode
– UI Improvements
– Statistics
– Standardization
– Moreconformancetests
• PREFORMA Runs until 2017 – userbase in place
–Including atSoundandVision?

20. TEST CORPUS

21. WHATYOU CAN DO
• CELLAR participation
• QCfor all interfaces
• Bug tracking, reporting
• Documentation
• Your weird video errors
BIT.LY/MEDIACONCHDOCS
GITHUB.COM/MEDIAAREA/MEDI
ACONCH

22. WORKSHO
P

23. THANK
YOU!
PREFORMA-PROJECT.EU
EVERBRUGGEN@BEELDENGELUID.NL
@ERWINVERB| @BENGLABS