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Whats DAT? Identifying & Prioritizing Magnetic Media NEA - PowerPoint PPT Presentation

Oct 23, 2023 •239 likes •631 views

Whats DAT? Identifying & Prioritizing Magnetic Media NEA Spring Meeting - April 1, 2016 Jessica Bitely, NEDCC Rebecca Chandler, AVPreserve http://www.avpreserve.com/wp-content/uploads/2015/05/QuantifyingTheNeed.pdf 10 % 10 optical

  1. What’s DAT? Identifying & Prioritizing Magnetic Media NEA Spring Meeting - April 1, 2016 Jessica Bitely, NEDCC Rebecca Chandler, AVPreserve

  2. http://www.avpreserve.com/wp-content/uploads/2015/05/QuantifyingTheNeed.pdf 10 % 10 optical optical 178 million preservation-worthy magnetic audio assets 20 % 20 grooved grooved 70 % 70 magnetic magnetic audio formats in collections in the US

  3. 2028

  4. Degradation

  5. Obsolescence

  6. ? ? ? Lack of Intellectual Control

  7. PRIORITIZE!

  9. Technical Needs

  10. Content Value

  11. Use Value

  12. = Cost to Digitize

  13. video

  14. mediaSCORE = format commonly found in archives

  15. Beta variants 5.69” .69” 1982 9.31” .31” 3.75” .75” 6.13” .13”

  16. VHS 1976 4.06” .06” 7.38” .38” By Toby Hudson, CC BY-SA 2.5 au, https://commons.wikimedia.org/w/index.php?curid=23266237

  17. DV variants 1995 2.56” .56” 3” 1.88” .88” 4.88” .88”

  18. Betamax 1975 3.75” .75” 6.13” .13”

  19. Video8 & hi8 1984 2.38” .38” 3.69” .69”

  20. U-matic 1971 8.63” .63” or or 7.25” .25” 5.38” .38” or 4 or 4.63” .63”

  21. D1, D2, D3, D5 1980s 6.75” .75” up to up to 10 10” 4.25” .25” up to 5 up to 5.88” .88”

  22. Open Reel Videotape 1/2”, 1”, 2” (quad) 1956 Image by Flickr user DRs Kulturarvsprojekt

  23. Audio

  24. compact cassette, aka audiocassette 1964 2 . 5 ” 3.96”

  25. Micro Cassette 2.4” ” 5 1969 1 . . 3 1 ” 2.2” Mini Cassette

  26. 8-track cartridge 1963 5.25” 4”

  27. dtrs, aka da-88 3” 4.25” 1993

  28. open reel audio tape late 1940s 1. PVC 2. polyester 3. paper 4. acetate

  29. open reel audio tape PVC and polyester

  30. open reel audio tape paper

  31. open reel audio tape acetate

  32. open reel audio tape 1/4”, 1/2”, 1”, 2”

  33. Audio on Videocassette U-matic 1600-early U-matic 1600/1610/1630 1980s PCM-F1-1982 PCM-F1 = betamax ADAT = VHS ADAT-1991

  34. 1939 Wire Recording

  35. digital audio tape, aka DAT 2.13” 1987 2.87”

  36. format equalizers long play tapes unidentified mold goo unspooled tape/broken funny flakes carrier smells

  37. work it. Each table is a team Each team has one prompt and one set of “tapes” Choose one team member to report findings Be ready at 2:30 to discuss!!!

  38. Resources California Audiovisual Preservation Project - Audiovisual Formats, A Guide to Identification http://calpreservation.org/wp-content/uploads/2013/10/2013-Audiovisual- Formats_draft_webversion-2013oct15.pdf Preservation Self-Assessment Guide - Format ID Guide https://psap.library.illinois.edu/format-id-guide Texas Commission on the Arts - Videotape Identification and Assessment Guide http://www.arts.texas.gov/wp-content/uploads/2012/04/video.pdf Mike Casey, Why Media Preservation Can’t Wait: the Gathering Storm http://www.avpreserve.com/wp-content/uploads/2015/04/casey_iasa_journal_44_part3.pdf MediaSCORE & MediaRIVERS https://www.avpreserve.com/tools/mediascore-mediarivers/ FACET Format Characteristics and Preservation Problems http://www.dlib.indiana.edu/projects/sounddirections/facet/facet_formats.pdf National Endowment for the Humanities - Preservation Assistance Grants http://www.neh.gov/grants/preservation/preservation-assistance-grants-smaller-institutions

  39. Thank you! jbitely@nedcc.org rebecca@avpreserve.com IN THIS PRESENTATION ICONS FROM: Noun Project: Noun Project: Andrew Forrester, Evert Jan Boon, Ryan Speziale, Vanessa Choi, Samu Parra, Alex Tai, Mister Pixel, Joe Mortell, Jon Testa, Herbert Spencer, Sandra M, Charlotte Vogel, vanila, Marie Van den Broeck, Alfredo Hernandez, Zane Ogle, Y E J I N

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