Ce diaporama a bien été signalé.
Nous utilisons votre profil LinkedIn et vos données d’activité pour vous proposer des publicités personnalisées et pertinentes. Vous pouvez changer vos préférences de publicités à tout moment.

Check Your Standard: PREFORMA and MediaConch

818 vues

Publié le

Presented at the Joint Technical Symposium, Singapore, 08 March 2016

Publié dans : Technologie
  • Soyez le premier à commenter

Check Your Standard: PREFORMA and MediaConch

  1. 1. CHECK YOURSTANDARD: PREFORMA AND MEDIACONCH Erwin Verbruggen Netherlands Institute for Sound andVision JTS 2016 –NMS Singapore
  2. 2. LABS.BEELDENGELUID.NL OPENIMAGES.EU BIT.LY/FLOSSINVENTORY PRESTOCENTRE.EU
  3. 3. CONFORMANCECHECKERIN PRESERVATION • Filehasbeenproducedaccordingtothespecificationsofa standardfileformat –File matchestheacceptancecriteriafor long-termpreservationby amemory institution • Reportswhichpropertiesdeviatefromthestandardspecificationand acceptancecriteria –In humanandmachine readableformat • Performsautomatedfixesforsimpledeviationsinthemetadata ofthe preservationfile.
  4. 4. IN OAISTERMS
  5. 5. SlidewiththankstoClaudioPrandoni PREFORMA Empowers memory institutions to gain full control overthe technical properties of digital content intended for long-term preservation
  6. 6. 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
  7. 7. 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
  8. 8. 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
  9. 9. 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
  10. 10. 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
  11. 11. 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
  12. 12. MEDIACONCH
  13. 13. GIFCOURTESY ASHLEY BLEWER
  14. 14. Project Advisors CELLAR Codec Encoding for LossLess Archiving and Realtime transmission CHAIRS: TESSA FALLON TIMTERRIBERRY
  15. 15. A LOOKFORWARD • MediaConch development: –Asynchronousmode – UI Improvements – Statistics – Standardization – Moreconformancetests • PREFORMA Runs until 2017 – userbase in place –Including atSoundandVision?
  16. 16. TEST CORPUS
  17. 17. WHATYOU CAN DO • CELLAR participation • QCfor all interfaces • Bug tracking, reporting • Documentation • Your weird video errors BIT.LY/MEDIACONCHDOCS GITHUB.COM/MEDIAAREA/MEDI ACONCH
  18. 18. WORKSHO P
  19. 19. THANK YOU! PREFORMA-PROJECT.EU EVERBRUGGEN@BEELDENGELUID.NL @ERWINVERB| @BENGLABS

×