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Challenges of Film, Video, and New Media Preservationand New Media Preservation
Howard Besser, DirectorMoving Image Archiving & Preservation ProgramMoving Image Archiving & Preservation Program
NYU’s Tisch School of the Artshttp://www.nyu.edu/ tisch/preservation
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Challenges of Film VideoChallenges of Film, Video,and New Media Preservation
• What are these strange things?• Why are they important?Why are they important?• Who has them?
Wh t bl d th ?• What problems do they cause?• Who collects them (and how)?• New approaches to dealing with the
problemBesser-Educause Live Webcast 12/19/07
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What are these strangeWhat are these strangethings?
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Old Film Formats
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Old Video Formats
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M t l d di Di kMetal sound recording DisksCasa Rui Barbosa
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YouTubeYouTube
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CDs & DVDs
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Public TV Digital Storage
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Ethnographic Documentationg p
Bumba-Meu-Boi
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ELO: Uncle Buddy’sELO: Uncle Buddy sFunhouse
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ECI - Hole in Space (1980)
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ECI - Imagespace (1977?)
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Gates Project 1992 (3D ground)
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Why are they important?
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Images with Sound are critical to understanding our cultural
heritageheritage• Both fiction & documentaries shape any time period’s views of
the past (Moses & 10 Commandments; Cleopatra; Caesar’s Rome; 1940s urban US; Hitler, Holocaust, WWII; Vietnam War,
)…)• We are shaped by the cultural icons of our childhood (Leave it to
Beaver, Lassie, James Bond, police shows, Mickey Mouse, Road Runner )Road Runner, …)
• We are also shaped by the advertisements, industrial, and educational films of our childhood (Maytag repairman, How to be a good homemaker, …)
• To understand our time period, people in the future will need to have access to the cultural artifacts of our time (imagine trying to understand 1950s and 1960s gender dynamics without pop cultural views of the family)
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cultural views of the family)
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Duck and CoverDuck and CoverSponsor: U.S. Federal Civil Defense Administration, 1951
Downloaded 2002 from Prelinger Archive http://www.archive.org/
http://www.nyu.edu/tisch/preservation/talks/200712_educause/
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TV History
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TV History
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TV HistoryTV History
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Who has them?
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Many organizations haveMany organizations havefilm and video
• Historic collections often have old films of a city, of buildings, of people at another time period
• Personal Paper collections have “home movies” of• Personal Paper collections have home movies offamous people, video documentation of experiments, anthropological films of other culturesS i l C ll ti h l/ id hi t i• Special Collections have oral/video histories,recordings of professional association meetings, video interviews. …
• Government collections have films documenting government-funded projects (bridges, roads, WPA), films and videos commissioned by government
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agencies (AIDS prevention, smoking prevention), recordings of legislative meetings, …
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Hampton Collection (3)
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Hampton Collection (interviews)
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What problems do theyWhat problems do theycause?-
• Decay, Fragility• Obsolescence of technology to play itObsolescence of technology to play it• Reformatting
C i ht• Copyright
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Film Decay (LC Dayton)
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Film decay (Academy)
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1960s Films Faded to Pink1960s Films Faded to Pink(VidiPax)
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Other Deterioration-filmOther Deterioration film
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Lost Tapes Found SoundsExhibitionLost Tapes, Found SoundsExhibitionHarold Schellinex
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Lost Tapes Found SoundsExhibitionLost Tapes, Found SoundsExhibitionHarold Schellinex
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M it i & D t ti A idMonitoring & Detecting Acid (NYU Library
Internship)
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Even conventional Moving Image Carriers are highly unstable, and an enormous # have already
disappeared• 50% of all titles produced before 1950 have vanished
(approximate number as of late 1970s)• This reflects full-length features; survival rates are much lower
for other types (studio newsreels, shorts, docs, independent, …), and these “orphans” are particularly in peril
• Fewer than 20% of features from 1920s survive in complete form; survival rates of 1910s is <10% (& none of these areform; survival rates of 1910s is <10% (& none of these arenegatives)
-Film Preservation 1993: A Study of the Current State of American Film Preservation, Vol 1: Report, June 1993, Report of the Librarian of Congress (http://www.loc.gov/film/study.html)
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g ( p g y )
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Obsolete or deteriorated PhysicalObsolete or deteriorated PhysicalCarriers
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Obsolete Carriers & Info TechnTechn
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Obsolete Carriers
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Obsolete Carrier viewing Technology?
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Old Video Formats (www.vidipax.com)
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List of old Audio FormatsList of old Audio FormatsFormat Description Years in UseWax Cylinder Records 2- or 4-minute formats, wax
d1888– 1929
or wax compoundRecordable Disc Records(Direct or Acetate Discs)
7”, 12”, or 16”, recorded at33 or 78 revolutions perminute (rpm). Generallyvinyl on a paper, glass or
1929– 1960s
vinyl on a paper, glass ormetal base
Recording Wire Spooled wire, usually in 15-to 30- minute lengths, onedirection only
c. 1945– 1955
O l di t 1/4” 2” 3” 10 1/2" l 1945 P tOpen reel recording tape 1/4”– 2”, 3”– 10 1/2" reels,1 7/8– 30 inches per second(IPS) speeds
c. 1945– Present
Compact Cassette 1/8” tape in hard case, 1 7/8IPS format
1965– Present
Microcassette/Minicassette Very small 2-4 cm cassettetapes
1977– Present
Digital disk, MP3, and otherdigital recorders
Audio recorded directly indigital files to optical disksor internal hard drives
2000– Present
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or internal hard drives
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Sometimes we have to reformatSometimes we have to reformatbecause of technology changes
• We don’t have video players to play tapes made 25 years agoW d ’t h 8 i h fl di k d i t• We don’t have 8-inch floppy disk drives, syquestdrives, zip drives
• We don’t have Windows 3 operating systemsWe don t have Windows 3 operating systems
• But this is something that conservators have always dealt with…
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Brittle Newspapers (Australia Battye Library)
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But Reformatting can have itsBut Reformatting can have itsdownside
• Authenticity issues• User behaviors (newspaper, book,
video game, …)g , )• Users mistaking the reformatted work
for the originalfor the original
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Critiques of Reformatting
Mainly User Behaviors
• Can’t view outside the library
• Only sequential access
• Viewing and studying is awkward
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But if we don’t Reformat we totally loseBut if we don t Reformat, we totally losemany of our audiovisual works
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We sometimes have no control over the technologies
we usewe use• Environmental--Government mandates to discontinue
use of halon gas as fire extinguisherE i C i i i t bl ill• Economic--Companies in economic trouble will cease manufacturing technologies that aren’t hugely profitablep– Ilford (2004 bankruptcy)– Agfa (2005 bankruptcy)– Kodak-– Kodak-
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Kodak stops making someKodak stops making somefilms
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Kodak stops making some papers
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Basic Economics• The conservation community is not large enough a
purchaser to sustain many types of manufacturing and technological productionand technological production
• Many of the things we use are based upon larger production runs for larger (and richer) communitiesp g ( )
• Therefore, we need to be periodically monitoring the economic health of our suppliers, and be aware of long term trends affecting their other customerslong-term trends affecting their other customers
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Possible endless need forPossible endless need forreformatting implies
• Possible loss with each generation• Requires managed environmentRequires managed environment• Can lead to © violations-
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Preservation steps can raise seriousC i ht ICopyright Issues
• Refreshing onto new physical strata can violate ©g p y• Migrating raises “moral rights” issues• Emulation often requires reverse engineering of software• Underlying rights-y g g
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Underlying Rights ExamplesUnderlying Rights Examples• In recording an interview, a radio is playing in the background.
Th f h ld h di hi dThe owner of the song could sue the person recording this andthe archive for copying this as a © violation, even though it is only a very small part of the background.
• In a videotaped interview a television or website is in the• In a videotaped interview, a television or website is in thebackground. The owner of the television program or website could sue both the person recording and the archive.
• In documentary photographs or video on a street, the owner of a y p g p ,background advertising poster or product or car manufacturer could sue the recorder and the archive
• When you capture a web page that displays a copyrighted photo by linking to it (not actually copying it) you may be violating © lawlinking to it (not actually copying it), you may be violating © law
• New laws (“broadcast flag”) may cause all recording devices to immediately shut off if they detect a digital copyrighted song or television signal in the background
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television signal in the background
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Underlying RightsUnderlying RightsA film/video of 1950s home life should not have the tv
on
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Underlying RightsUnderlying RightsStreet video should avoid recording music
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Background:Background:
Underlying RightsArchives may have a right to the whole but not have a right to the components.Thi d t i f ti d l i i ht ftThird party information, underlying rights are oftengranted for a limited time or a particular kind of use, or a particular geographic region. This is particularlyp g g p g p ysalient for multimedia works.Eyes on the Prize, It’s a Wonderful Life, photos inBarbara Kruger worksBarbara Kruger works-
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Kruger’s Untitled 1990 (It’s a smallKruger s Untitled 1990 (It s a smallworld but not if you have to clean it)
d l i i f Th H k ’ “Ch l tt b Th ”
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underlying image from Thomas Hoepker’s “Charlotte as seen by Thomas,”Originally published in German photography magazine Foto Prisma in 1960
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What Interpares looked atWhat Interpares looked athttp://besser.tsoa.nyu.edu/howard/Papers/interpares-copyright.pdf
Problems caused by Underlying RightsLegality ofLegality ofRefreshing/Migration/EmulationA Preservation right to copyA Preservation right to copyDangers involved in infringementJurisdiction issues
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Distance Learning: Violating ©
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Format Changes
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Various Formats IntermixedVarious Formats Intermixed(Hampton)
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L t f F t H d t StLots of Formats; Hard to Store(VidiPax)
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Plain DVDs are no longer the latest format
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Who collects them (andWho collects them (andhow)?-
• Who is collecting representations of changes in how we teach?g
• Who is collecting documentation of what life is like on our campuses?life is like on our campuses?
• Is anyone being comprehensive in their collecting?collecting?
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Library Events-UCLA
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iTunes-U
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iTunes-U UCBiTunes U UCB
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iTunes-U UCB Oral Histories
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iTunes-U UCB Campus P tPoetry
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iTunes-U UCB Art & Technology EventsiTunes U UCB Art & Technology Events
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iTunes-U UCB Campus E tEvents
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iTunes-U Duster Video
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Do we trust iTunes toDo we trust iTunes topreserve these?
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Blog Resources-Univ ofBlog Resources Univ ofHouston, Clear Lake
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Classroom Blogs (UH-CL)Classroom Blogs (UH CL)
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Myspace for U of Fl courseMyspace for U of Fl course
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My UCDavisMy UCDavis
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UC Davis Writing CourseUC Davis Writing Course
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Pervasive CellphonesPervasive Cellphones
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Facebook as Research Data NYT 12/17/07
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F b k R h D tFacebook as Research DataNYT 12/17/07
• “Our predecessors could only dream of the kind of data we now have”
-Nicholas Christakis, Harvard Sociology Professor
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Who collects them (and how)?Who collects them (and how)?repeat
• Who is collecting representations of changes in how we teach?g
• Who is collecting documentation of what life is like on our campuses?life is like on our campuses?
• Is anyone being comprehensive in their collecting?collecting?
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New approaches to dealingNew approaches to dealingwith the problem-
• Research• EducationEducation• New Paradigms
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Research:NYU/Public Television Project
• $6 million project -- 50% from LC/NDIIPP• Marry asset management to preservation• Preserve a broad set of elements (including ancillary material)• Preserve a broad set of elements (including ancillary material)• Life-cycle mgmt (add metadata as soon as a clip comes in)• Establish a community of stakeholders, working together for
preservation (stations university librarians journalists historianspreservation (stations, university, librarians, journalists, historians,producers, scholars, …)
• Build an OAIS Server• Explore appropriate file formats, wrappers, METS extensions
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p pp p , pp ,• Develop sustainable business model
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Education:
MIAP Projects (Paper Tiger)
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Education: Digital Preservation class:g
Assessing an old Website
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Education:
Preserving Eyebeam’s ReBlogg y g(Pamela Smith project)
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Education:
A di L b P ti PlAudio Lab Preservation PlanAssessment
T bl #1 N b /P f A di i S i l C ll iTable #1: Number/Percentage of Audio in Special Collections:Archive Total audio in each archive % of audio holdings in each archiveFales 2,825 8%Tamiment/Wagner 17,620 50%University Archives 4,234 12%TOTAL 24,679 69%
Table #2: Number/Percentage of Audio Formats per Archive in Special Collections:Archive Wire LPs 45s _” _” 1” Cassette Micro Audio CD DATFales — 199 496 89 2 1,508 69 334Tamiment/Wagner
87 — — 6,895 — — 10,630 6 2 84
UniversityArchives
— 13 — 3,610 — — 610 — 4 2
TOTAL 87 212 50 11,001 89 2 12,748 75 340 86Total % offormat
< 1% 1% < 1% 45% < 1% < 1% 52% < 1% 2% < 1%
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format
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Education:
A di L b P ti PlAudio Lab Preservation PlanEquipment
• Equipment for production of .wav files and for working digital – digital:
• Mackie HDR 24/96 (for audio capture for .wav files)• Medea RAID (storage of wav files)• Medea RAID (storage of .wav files)• Marantz 340 CD Recorder or equivalent (for making CDs)• Sample Rate Converter (converting between digital files)• Graham-Patten ADC-20 A-to-D audio converter (for out to speakers)• Apple dual processor G5 desktop workstation (running software for digital audioApple dual processor G5 desktop workstation (running software for digital audio
processing)• Apple 20” Cinema Monitor
• Racks will need to be purchased to house the audio equipment. One to two racks are recommended that will be placed 3 ft. from the wall.two racks are recommended that will be placed 3 ft. from the wall.
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Handling New Media class:
Photo CDPhoto CD
• Compression: Using the PhotoYCC encoding, a DCT based algorithm developed by Kodak, data is stored at up to six levels of resolution in Image Pac files. There are three kinds of compression used to reduce Photo CD images. First is the infamous lossy compression scheme called Gamma compression. Next the data is converted from RGB to PhotoYCC to allow for a lossy compression
h ll d " h b li ” Thi i lik JPEG i h th PCD filscheme called "chroma subsampling.” This is like JPEG compression, however the PCD fileincludes an error correction scheme to help reverse the losses. The data is compressed with a lossless scheme called Huffman Coding. This scheme searches for recurring patterns in the data and encodes them as smaller codes.
• Kodak describes its overall resolution as “visually lossless.” As stated on their website, “Thei i i h id l d d h iImage Pac compression process uses quantizing to compress the residual data, and so there is some
data lost that is not restored. It is very little, and not visually noticeable, but it is not accurate to say it is zero.” Each image is saved in five different resolutions on the Kodak-produced Master disc (78KB to 18MB) and in six different resolutions on the Pro disk (78KB to 72MB). The Pro disc handles such media as 35mm, 120 and 4x5 film and unmounted slides, and can h ld 25 30 i hil th M t di i d f 35 ll t fil d t d
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hold 25-30 images, while the Master disc is good for 35mm roll or cut film and mountedslides, and can hold up to 100 images. Originally, only Kodak produced these discs on Photo CD Imaging Workstations (PIW’s).
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Research/Professional Service:
Disaster Recovery-NewyOrleans
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Capturing & PreservingCapturing & PreservingCampus Performative Events
• UCLA Library at early stages of trying to systematize the collection of these, & struggling with issues of– collecting– preservation– access
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Electronic works require a new way of looking at
PreservationPreservation• Little worry about the “original”• Formats and hardware frequentlyFormats and hardware frequently
become obsolete• We need to constantly re format• We need to constantly re-format• Long-term planning and “preservation
d i i t ti ” i b l t l ti ladministration” is absolutely essential
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Managed Environment
• More than temperature & humidity control
• Periodic monitoring of the works• Periodic monitoring of the technical• Periodic monitoring of the technical
environment for viewing the works (software systems hardware)(software, systems, hardware)
• Trusted repositories
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So, with electronic works, the focus , ,should be less on stable temperature
(Helsinki underground vaults)
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And less on the construction ofAnd less on the construction ofVaults (Helsinki underground vaults)
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But more on ongoing management of a work without worrying so much
about physical embodimentp y
Producer Consumer
Management
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Management
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Paradigms Shifts neededOld New
Physicalti
atmospheric cntrl ongoing mgmtpreservationWhat to save? artifact idea + ancillary
material &material &documentation
Cataloging Individual work in FRBRhand
Later access Artifact & documentation
Restaging,ancillary material
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documentation ancillary material& documentation
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Challenges of Film, Video, and New Media PreservationPreservation
Howard Besser, NYU Moving Image Archiving & Preservation ProgramProgram
• http://www.nyu.edu/tisch/preservation • http://www.ptvdigitalarchive.org/• http://www.iasa-web.org/tc04/• http://www.screensound.gov.au/screensound/screenso.nsf/• http://www digitalpreservation gov/ndiipp/repor/repor back tv h• http://www.digitalpreservation.gov/ndiipp/repor/repor_back_tv.h
tml