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Transcript of Besser-Mus Studies, 4/8/03 Preservation of Moving Image Material & New Digital Media Howard Besser,...
![Page 1: Besser-Mus Studies, 4/8/03 Preservation of Moving Image Material & New Digital Media Howard Besser, Director MIAP Program NYU’s Tisch School of the Arts.](https://reader036.fdocuments.net/reader036/viewer/2022062423/5697bff51a28abf838cbd59c/html5/thumbnails/1.jpg)
Besser-Mus Studies, 4/8/03
Preservation of Moving Image Material & New Digital Media
Howard Besser, Director
MIAP Program
NYU’s Tisch School of the Arts
http://www.tisch.nyu.edu/preservation
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Besser-Mus Studies, 4/8/03
Preservation of Moving Image Material & New Digital Media-
• Why moving images are important• Special qualities of moving image materials• General Issues for Electronic Media: Problems
with Analog Preservation• General Digital Preservation Issues• Issues Specific to Moving Images• Newer formats -- installation, new media, …• Moving Image Preservation Education
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Besser-Mus Studies, 4/8/03
Duck and CoverSponsor: U.S. Federal Civil Defense Administration, 1951
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Besser-Mus Studies, 4/8/03
Moving Images are critical to understanding our cultural heritage
• 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, …)
• 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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Besser-Mus Studies, 4/8/03
What’s challenging about Moving Image Collections?
• You can’t browse a collection• Many different purposes (documenting events,
telling stories)• “Published” works have variant forms• Many physical formats (film gages, video sizes and
encoding, digital encoding and compressions)-• No format even approaches the stability of rag
paper-
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Besser-Mus Studies, 4/8/03
Moving Images 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 are negatives)
-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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Besser-Mus Studies, 4/8/03
Some reasons why Moving Images are disappearing
• Most pre-sound films weren’t saved at all• Nitrates hazard• Eastmancolor fading• Video--changing formats, magnetic
particles not adhering to backing, little recognition of importance of saving
• Who should be responsible for saving works without lucrative financial value
![Page 8: Besser-Mus Studies, 4/8/03 Preservation of Moving Image Material & New Digital Media Howard Besser, Director MIAP Program NYU’s Tisch School of the Arts.](https://reader036.fdocuments.net/reader036/viewer/2022062423/5697bff51a28abf838cbd59c/html5/thumbnails/8.jpg)
Besser-Mus Studies, 4/8/03
General Issues for Electronic Media: Problems with Analog
Preservation
• Wide number of formats, many obsolete
• Constant reformatting, and implications
![Page 9: Besser-Mus Studies, 4/8/03 Preservation of Moving Image Material & New Digital Media Howard Besser, Director MIAP Program NYU’s Tisch School of the Arts.](https://reader036.fdocuments.net/reader036/viewer/2022062423/5697bff51a28abf838cbd59c/html5/thumbnails/9.jpg)
Besser-Mus Studies, 4/8/03
Old Video Formats
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Besser-Mus Studies, 4/8/03
Old Digital Formats
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Besser-Mus Studies, 4/8/03
Possible endless need for reformatting implies
• Possible loss with each generation
• Requires managed environment
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Besser-Mus Studies, 4/8/03
General Digital Preservation Issues-
• Paradigm shift to managing over time: Preservation Repositories
• Hedging bets with Digital Preservation
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Besser-Mus Studies, 4/8/03
Digital Preservation-
The ProblemPreservation RepositoriesPreservation MetadataOther Digital Preservation ActivitiesParadigm shifts
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Besser-Mus Studies, 4/8/03
Serious Longevity Problems
What we know from prior widespread digital file formats
Previous formats required little ongoing intervention (remote storage facilities, Iron Mtn); digital formats require intense ongoing management
The Short Life of Digital Info-
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Besser-Mus Studies, 4/8/03
The Short Life of Digital Info: Digital Longevity Problems
Disappearing InformationThe Viewing ProblemThe Scrambling ProblemThe Inter-relation ProblemThe Custodial ProblemThe Translation Problem
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Besser-Mus Studies, 4/8/03
The Viewing Problem
Digital Info requires a whole infrastructure to view it
Each piece of that infrastructure is changing at an incredibly rapid rate
How can we ever hope to deal with all the permutations and combinations
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Besser-Mus Studies, 4/8/03
The Scrambling Problem
Dangers from:
Compression to ease storage & deliveryContainer Architecture to enhance digital
commerce
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Besser-Mus Studies, 4/8/03
The Inter-relation Problem
-Info is increasingly inter-related to other info
-How do we make our own Info persist when it points to and integrates with Info owned by others?
-What is the boundary of a set of information (or even of a digital object)?
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Besser-Mus Studies, 4/8/03
The Custodial Problem
In the past, much of survival was due to redundancy
How do we decide what to save?Who should save it?
Mellon-funded E-Journal Archives
How should they save it?-
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Besser-Mus Studies, 4/8/03
The Custodial Problem:How to save information?
Methods for later accessRefreshingMigrationEmulation
Issues of authenticity and evidence
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Besser-Mus Studies, 4/8/03
The Translation Problem
Content translated into new delivery devices changes meaning– -A photo vs. a painting– -If Info is produced originally in digital form in
one encoded format, will it be the same when translated into another format?
– Behaviors
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Besser-Mus Studies, 4/8/03
Preservation Repositories:Open Archival Info System Model
Producer
Management
Consumer
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Besser-Mus Studies, 4/8/03
Preservation Repositories:Open Archival Info System Model
High-level reference model describing submission, organization and management, and continuing access
Conceptual framework for different organizations to share discussions with a common language
Producers, consumers, management, actual repository SIP, DIP, AIP AIP consists of data objects plus representation info
(Content, Preservation Description, Packaging, Descriptive)
Originally developed for Space Science community
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Besser-Mus Studies, 4/8/03
Preservation Repositories -- AIP Metadata
• Preservation Description Info– reference info
– context info
– provenance info
– fixity info
• Packaging Info• Descriptive Info• Content Info
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Besser-Mus Studies, 4/8/03
Metadata Encoding & Transmission Standards (METS)
• Designed to make viewing works less dependent on proprietary software and particular computing environments
• Upsurge in use for digital reformatting of other types of archival material
• METS extensions for streaming media
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Besser-Mus Studies, 4/8/03
OCLC/RLGDigital Repository Attributes
• Administrative responsibility
• Organizational viability
• Financial sustainability
• Technological suitability
• System security
• Procedural accountability
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Besser-Mus Studies, 4/8/03
OCLC/RLGSelected Recommendations
• Policies, Certification processes, Risk management, Persistent ID, Migration/Emulation experiments
• Stakeholders meet to decide how to describe what is in a dig repository
• Examine special properties of particular classes of digital objects
• Technical standards for exchange and interoperability btwn repositories
• Develop projects and case studies• Copyright issues
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Besser-Mus Studies, 4/8/03
Paradigm Shift
• From managing artifacts to managing disembodied information over time
• Preservation Repository with strong devotion to management over time including– Periodic refreshing– Either emulation or migration (or some other
strategy that may emerge
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Besser-Mus Studies, 4/8/03
Hedging bets with Digital Preservation
• Probably can’t emulate every format
• Save the bits (in addition to anything else you may do)
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Besser-Mus Studies, 4/8/03
Issues Specific to Moving Images-
• Collections are often complex and mixed
• Often reformatting, even in an all-film environment
• Digital file format and compression are still not settled
• Many quality questions
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Besser-Mus Studies, 4/8/03
What’s challenging about Moving Image Collections? (2)
• Often important to collect various “unpublished” parts in different formats (A/B rolls, mag-stripe film, separated soundtracks, unedited footage, rushes, screen-tests, …)
• Film Archivists seldom organize films or videos in standard archival arrangements (no fonds,boxes, folders, or Finding Aids)
• Ancillary materials (pressbooks, stills, scripts, storyboards, set designs, reviews …) are often necessary to understand a work
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Besser-Mus Studies, 4/8/03
Hampton Collection (1)
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Besser-Mus Studies, 4/8/03
Hampton Collection (2)
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Besser-Mus Studies, 4/8/03
Hampton Collection (3)
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Besser-Mus Studies, 4/8/03
Hampton Collection (negatives)
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Besser-Mus Studies, 4/8/03
Hampton Collection (interviews)
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Besser-Mus Studies, 4/8/03
Hampton Collection (exhibits)
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Besser-Mus Studies, 4/8/03
Hampton Collection (atmosphere cntrl)
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Besser-Mus Studies, 4/8/03
File Format Issues-
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Besser-Mus Studies, 4/8/03
Various Formats Intermixed (Hampton)
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Besser-Mus Studies, 4/8/03
Old Film Formats
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Besser-Mus Studies, 4/8/03
We’re always reformatting, and dealing with wide variety of
formats• Nitrate
• Super8
• Cinemascope
• 3-D
• Cartridge
• …
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Besser-Mus Studies, 4/8/03
Conservation & Preservation Operations & Treatments--Analog• Ideal temperature & humidity are slightly lower than for
paper (and differ for film vs. video)• Actual restoration requires historical context research
(separate tracks, missing pieces, variant forms)• Film
– Nitrate stock needs to be kept separate (& eventually reformatted)– Vinegar syndrome is first sign of gas decay
• Video– When adhesive decays, baking tapes can achieve one final pass
over read heads
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Besser-Mus Studies, 4/8/03
Ideal digital moving image file format
(Jerome McDonough)
• Non-proprietary file format
• supports 10-bit/pixel
• no compression or lossless compression using non-proprietary CODEC
• supports multiple frame rates/frame sizes
• supports time code data in file
• supports audio (multichannel) and video in single file
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Besser-Mus Studies, 4/8/03
Limitations of present file formats
• MPEG seems to be only non-proprietary format
• AVI and Quicktime with extensions incorporate most features, but are proprietary
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Besser-Mus Studies, 4/8/03
Many quality questions
• Quality of playback?
• Theater experience?
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Besser-Mus Studies, 4/8/03
What about newer formats & developments?
• Moving images on DVDs becoming interactive• Video installation works• Net-based works incorporating moving images• Images & rich media; new media and multi-media
works• Inter-relationships btwn parts• For Contemporary Art: What is the Work?-
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Besser-Mus Studies, 4/8/03
LeWitt: Wall Drawing 340
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Besser-Mus Studies, 4/8/03
Installing LeWitt
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Besser-Mus Studies, 4/8/03
LeWitt Install Directions
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Besser-Mus Studies, 4/8/03
Complexity of Rich Media
• Works often have artistic nature (including video games)
• Enormous number of elements can, at times, be very important to preserve (pacing, original artifact, elements used to construct the artifact)
• Too complex to save every one of these aspects for every type of material
• Importance of saving documentation
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Besser-Mus Studies, 4/8/03
What can we do specific to Electronic Art?
• Works themselves may no longer even exist; in many cases, what we can save amounts to forensic evidence
• Enormous number of elements can, at times, be very important to preserve (pacing, original artifact, elements used to construct the artifact)
• Too complex to save every one of these aspects for every type of material
• Importance of saving pieces, representations, and documentation
• Involve the artists to capture their intentions
• Importance of Standards
• Familiarize ourselves with recent conservation developments (Who Knows?, TechArcheology, Tate, IMAP)
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Besser-Mus Studies, 4/8/03
Standards for encodingartists intentions
(group efforts w/i Cult Heritage community)
• Artists Interviews Project, Netherlands Institute for Cultural Heritage 1998-1999, Modern Art: Who Cares (http://www.icn.nl/english/6.4.2.html)
• TechArcheology: A Symposium on Installation Preservation (SFMOMA)
• More recent SFMOMA/Tate collaborations• IMAP• Guggenheim’s Variable Media
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Besser-Mus Studies, 4/8/03
Incorporate parts of Functional Requirements for Bibliographic
Records (FRBR)
• work• expression• manifestion• item
• (and push into “change history” section of Technical Image Metadata)
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Besser-Mus Studies, 4/8/03
Structural Metadata Standards for Encoding Multimedia-
(no time for details)
• SMIL
• MPEG 4
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Besser-Mus Studies, 4/8/03
A few questions our community should address
• Special issues raised by non-library institutions
• Special issues raised by images and rich media
• What is the work (or salient points we need to preserve)?
• Bring the arts communities (artist intent, BAVC) together with the preservation repository communities and the preservation metadata communities
• Specifically get Cult Heritage communities involved with the selected OCLC/RLG recommendations
• Get cult heritage groups started on working to make sure that structure standards incorporate our works
• What organizations will take responsibility to save today’s digital “ephemeral” materials (online ‘zines, arts discussion groups, etc.)?
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Besser-Mus Studies, 4/8/03
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Besser-Mus Studies, 4/8/03
Which should be reformatted to digital today?
• Born digital--need to be kept in digital form
• Video--probably; at least soon
• Film-Not very soon
• A guessing game; we need more R&D, as well as education
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Besser-Mus Studies, 4/8/03
Other Digital Preservation Activities
LC Natl Dig Info Infrastructure & Preservation InterPARES Emulation Projects E-Journal Archiving ERPANET Persistent Naming
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Besser-Mus Studies, 4/8/03
History of Moving Image Preservation-
• Learning through apprenticeships
• Each institution does things their own way
• “Professionalism” is a relatively recent idea
• 1990s studies recommending offering MAs to help standardize good practices and professionalize the field
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Besser-Mus Studies, 4/8/03
National Report:
Moving Image Preservation Education is critical
• Important to “Create a systematic graduate program for educating new film preservation professionals and continuing education opportunities for those already in the field”
• “ad hoc instruction is no longer adequate”• “The National Film Preservation Board will work toward the
creation of a master's degree program in film preservation at an American university and invite curriculum discussions with pertinent professional organizations.”
-Redefining Film Preservation: A National Plan (Recommendations of the Librarian of Congress in consultation with the National Film Preservation Board) Library of Congress Washington, D.C. August
1994
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Besser-Mus Studies, 4/8/03
Interdisciplinary; students need to
– learn the context in which each of these cultural artifacts were made– know the history of changing formats– need to be scientists and technologists who understand:
• the process of color changes• how certain stocks become too brittle to provide a flat focus for copying• how magnetic particles are laid on videotape and what causes the various types of
deterioration• how different computer files link and interact, (and how certain compression algorithms
cause various types of loss) so that they can anticipate preservation problems of compressed and hyper-linked digital works
– strong organizational and classification skills so that they can manage these collections and help others find things they want in them.
– administrative skills to manage these large preservation repositories (whether they be film, video, digital, or others).
– understand that preservation does not exist in a vacuum, and that they may have to become activists to prevent outside political forces from inadvertently trampling on our ability to preserve
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Besser-Mus Studies, 4/8/03
3 Educational Programs recently established
• Jeffrey Selznick School (1 year, no academic degree)
• UCLA (2 years, Masters degree)
• NYU (2 years, Masters degree)
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Besser-Mus Studies, 4/8/03
NYU’s MIAP: A curriculum for studying Moving Image
Archiving & Preservation
• Film History/Historiography and Film Style• Conservation, Preservation, Storage, and Management• Legal Issues and Copyright• Laboratory Techniques• Moving Image Cataloging• Curatorial Work and Museum Studies• Programming• New Media and other Digital Technologies• Access to Archival Holdings
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Besser-Mus Studies, 4/8/03
Our Graduates
• We are training a new generation of custodians of our cultural heritage• This training has to involve more than the kind of apprenticeship that
has traditionally characterized this field• To be an effective Moving Image Archivist in the future will require a
combination of the professional and the theoretical, and the ability to apply important traditions and concepts to communications technology of the future that we’ve never even dreamed of today
• We want our graduates to act as “change agents” in the organizations they go into
• We want to instill in them a commitment to preserve the future as well as the past
• many of us will need to work together to make sure that the moving image artifacts of the 20th century and beyond are available to our grandchildrens’ grandchildrens’ grandchildren.
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Preservation of Moving Image Material & New Digital Media
Howard BesserNYU Moving Image Archiving & Preservation Program
http://www.tisch.nyu.edu/preservation• http://www.amianet.org/• http://sunsite.berkeley.edu/Longevity/• http://www.digitalpreservation.gov/ndiipp/repor/repor_back_tv.html• http://www.digitalpreservation.gov/ndiipp/repor/repor_back_archi.html• http://www.oclc.org/digitalpreservation/presmeta_wp.pdf• http://is.gseis.ucla.edu/us-interpares/• METS official site: http://www.loc.gov/standards/mets• UC Digital Preservation & Archiving Committee Final Report
http://www.slp.ucop.edu/sopag/
• http://www.firstmonday.dk/issues/issue7_6/besser/