THE LA
PRESERVATION PRESERVACION
OF DIGITAL DE LA
TELEVISION: TELEVISION
Challenges, DIGITAL: Retos,
Requirement...
Photo by chrisdlugosz via Flickr http://www.flickr.com/photos/chrisdlugosz/3403751594/
Digital television:
1. Born Digi...
Why is preserving digital
?
television especially
CHALLENGING
Analog formats cannot wait for the cost
of uncompressed video storage to drop!
no standard
format for
production or
archiving
many LARGE files
Static Media
Viewed with the naked eye
Utilized without additional components
Very long useful life if stored properly
...
Photo by Martin Deutsch via Flickr http://www.flickr.com/photos/teflon/2352818254/
Dynamic Media
Dependent on machines t...
Digital Media
Not tangible
Even more dependencies
More frequent obsolescence of various components
Playback requirements n...
Photo by vodstrup via Flickr http://www.flickr.com/photos/vodstrup/1486839907/
Preservation of physical media...
Primar...
Photo by Scoobay via Flickr http://www.flickr.com/photos/scoobay/3163954667/
Preservation of digital media
Much more th...
Preservation of
audiovisual media is
an ongoing process
There is no starting
and stopping point
No audiovisual format
will...
Photo by kino-eye via Flickr http://www.flickr.com/photos/kino-eye/39529915/
RISK FACTORS
Bit Rot
Software
Obsolescence
+ Upgrades
Photo by damclean via Flickr http://www.flickr.com/photos/damclean/214...
Hardware Obsolescence
Photo by huangjiahui via Flickr http://www.flickr.com/photos/huangjiahui/3179858408/
Processor
Obsolescence
Storage Media Obsolescence
Photo by Ian-S via Flickr http://www.flickr.com/photos/ian-s/2785762687/
Photo by massdistraction via Flickr http://www.flickr.com/photos/sharynmorrow/3718174646
...
“Despite storing CD-Rs
recorded in ideal conditions,
tech site TechARP unboxed
300 CDs recorded between 7
to 9 years...
Lack of METADATA
“If a piece of program material is not
correctly placed and identified on a digital
system, it mig...
If we didn’t know
that footage of a
Harvard Law
student speaking
at a protest in 1990
existed at WGBH,
would our ...
But because we do
know of its existence
in the archive, and
because it can be
ACCESSED,
our collective history
...
Lack / loss of
organizational support
and resources
...
REQ
UIRE
MEN
...
1. Bit
Preservation
Sustaining the 0s and 1s, or
ensuring that the video,
audio, and ancillary files
remain intact over tim...
2. Accessibility and
Usability of Content
Ensuring that video, audio, and ancillary files can be
found, retrieved, interpre...
3. Organizational Infrastructure
An entity (repository) explicitly responsible for keeping
the content alive and accessibl...
STRATEGIES
Redundancy
Replicated, geographically
distributed storage
Offline tape storage
...
Photo by Niklas via Flickr http://www.flickr.com/photos/pivic/2829376039/
Regularly audit files, repair
corrupt files wit...
Photo by TaranRampersad via Flickr http://www.flickr.com/photos/knowprose/111119035/
Refresh storage med...
2. Accessibility and Usability of Content
Where is the content? Identification & Organization
What is...
Support current and future uses by
preserving the highest
quality version
to allow for many derivatives
...
Create files using
open, standardized,
non-proprietary
file formats
and codecs,
high resolution or
uncompressed, and
avoid t...
Photo by tochis via Flickr http://www.flickr.com/photos/tochis/3431207670/
...
Photo by comicbase via Flickr http://www.flickr.com/photos/comicbase/3338358430/
Establish a
...
Photo by seriykotik1970 via Flickr http://www.flickr.com/photos/seriykotik/195406053/
...
Refer to the ISO standard OAIS (Open Archival
Information System) Reference Model
PRESERVATION...
Establish
Retention
Policies
We can’t save
everything
...
Establish file and folder naming
conventions & workflow procedures
Implement changes during
transition to digital produc...
Photo by gbaku via Flickr http://www.flickr.com/photos/gbaku/2513320483/
...
pre- IT
production title
backup dates ...
Photo by jacobian via Flickr http://www.flickr.com/photos/jacobian/2385490476/
Technology watch
Photo by quapan via Flickr http://www.flickr.com/photos/hinkelstone/2435823037/
Investigate cooperative
solutions
Today, many television
stations...
Don’t know what they have
Have incomplete or no catalogs for much of their
co...
The digital era brings great opportunity to improve
discovery, re-use, and cost savings in production,
plus wider acces...
Lets not risk the loss of our
collective heritage, or waste the
opportunity to take advantage
of the digital transitio...
of 48

Preserving Digital Television

Talk given at the Seminario de Conservación de Obras y Documentos Sobre Soportes Electronicós in at the Centro Nacional de las Artes. More information about the program is available from the Centro Multimedia website, here: http://cmm.cenart.gob.mx/seminario09/index.html
Published on: Mar 4, 2016
Published in: Technology      Entertainment & Humor      
Source: www.slideshare.net


Transcripts - Preserving Digital Television

  • 1. THE LA PRESERVATION PRESERVACION OF DIGITAL DE LA TELEVISION: TELEVISION Challenges, DIGITAL: Retos, Requirements, Requerimientos, and Strategies y Estrategias Seminario de Conservación de Kara Van Malssen Obras y Documentos Sobre New York University Soprotes Electrónicos kara.vanmalssen@nyu.edu Ciudad de México, 31 de julio 2009
  • 2. Photo by chrisdlugosz via Flickr http://www.flickr.com/photos/chrisdlugosz/3403751594/ Digital television: 1. Born Digital 2. Digitized from an analog / physical source
  • 3. Why is preserving digital ? television especially CHALLENGING
  • 4. Analog formats cannot wait for the cost of uncompressed video storage to drop!
  • 5. no standard format for production or archiving
  • 6. many LARGE files
  • 7. Static Media Viewed with the naked eye Utilized without additional components Very long useful life if stored properly Photo from the Library of Congress via Flickr http://www.flickr.com/photos/library_of_congress/3738806589/
  • 8. Photo by Martin Deutsch via Flickr http://www.flickr.com/photos/teflon/2352818254/ Dynamic Media Dependent on machines to view and utilize Media are fragile Industry changes results in format obsolescence
  • 9. Digital Media Not tangible Even more dependencies More frequent obsolescence of various components Playback requirements not obvious More content than ever before
  • 10. Photo by vodstrup via Flickr http://www.flickr.com/photos/vodstrup/1486839907/ Preservation of physical media... Primarily required good storage and disaster protection
  • 11. Photo by Scoobay via Flickr http://www.flickr.com/photos/scoobay/3163954667/ Preservation of digital media Much more than just good storage and disaster protection
  • 12. Preservation of audiovisual media is an ongoing process There is no starting and stopping point No audiovisual format will last forever We can’t save everything
  • 13. Photo by kino-eye via Flickr http://www.flickr.com/photos/kino-eye/39529915/ RISK FACTORS
  • 14. Bit Rot
  • 15. Software Obsolescence + Upgrades Photo by damclean via Flickr http://www.flickr.com/photos/damclean/2143598772/
  • 16. Hardware Obsolescence
  • 17. Photo by huangjiahui via Flickr http://www.flickr.com/photos/huangjiahui/3179858408/ Processor Obsolescence
  • 18. Storage Media Obsolescence Photo by Ian-S via Flickr http://www.flickr.com/photos/ian-s/2785762687/
  • 19. Photo by massdistraction via Flickr http://www.flickr.com/photos/sharynmorrow/3718174646 Storage Media Failure
  • 20. “Despite storing CD-Rs recorded in ideal conditions, tech site TechARP unboxed 300 CDs recorded between 7 to 9 years ago, and found that they have a failure rate approaching 10 percent for the first 173 discs--the restoration is still on-going.” Paul Mah, “The Problem of Bit Rot Revisited.” FierceCIO: Tech Watch, 21 July 2009 http://www.fiercecio.com/techwatch/story/problem-cd-bit-rot-revisited/2009-07-21? utm_medium=nl&utm_source=internal
  • 21. Lack of METADATA “If a piece of program material is not correctly placed and identified on a digital system, it might as well not be there - no one will be able to find it or even know it exists.” Cox, Tadic, Mulder. Descriptive Metadata for Television. Focal Press, 2006. p63.
  • 22. If we didn’t know that footage of a Harvard Law student speaking at a protest in 1990 existed at WGBH, would our lives be much different?
  • 23. But because we do know of its existence in the archive, and because it can be ACCESSED, our collective history is enriched
  • 24. Lack / loss of organizational support and resources 22298/ 2/24017 /photos/roby7 w.fl ickr.com tp://ww Flickr ht y (C) via Photo by Rob
  • 25. REQ UIRE MEN TS Photo by wallyg via Flickr http://www.flickr.com/photos/wallyg/2488178506/
  • 26. 1. Bit Preservation Sustaining the 0s and 1s, or ensuring that the video, audio, and ancillary files remain intact over time with no loss or corruption of bits Photo by adrenalin via Flickr http://www.flickr.com/photos/adrenalin/4250667/
  • 27. 2. Accessibility and Usability of Content Ensuring that video, audio, and ancillary files can be found, retrieved, interpreted, played back, and delivered to the appropriate users. Photo by Sunshine Junior via Flickr http://www.flickr.com/photos/sunshinetoday168/1323387457
  • 28. 3. Organizational Infrastructure An entity (repository) explicitly responsible for keeping the content alive and accessible. Photo by stefan1024 via Flickr http://www.flickr.com/photos/stefan1024/3682770758
  • 29. STRATEGIES
  • 30. Redundancy Replicated, geographically distributed storage Offline tape storage Off site Nearline tape storage In house Online Storage In house 1. Bit Preservation
  • 31. Photo by Niklas via Flickr http://www.flickr.com/photos/pivic/2829376039/ Regularly audit files, repair corrupt files with backups 1. Bit Preservation
  • 32. Photo by TaranRampersad via Flickr http://www.flickr.com/photos/knowprose/111119035/ Refresh storage media periodically 1. Bit Preservation
  • 33. 2. Accessibility and Usability of Content Where is the content? Identification & Organization What is the content? Descriptive Metadata Who made it? Descriptive Metadata Can I use it? Rights Metadata How can I display it properly? Technical & Structural Metadata How can I preserve it? Preservation Metadata Where did it come from? Source Metadata Create, update, manage, and maintain good metadata throughout the life cycle of the digital object Photo by Sunshine Junior via Flickr http://www.flickr.com/photos/sunshinetoday168/1332297470
  • 34. Support current and future uses by preserving the highest quality version to allow for many derivatives 2. Accessibility and Usability of Content Preservation Version / Master Access Versions / Derivatives
  • 35. Create files using open, standardized, non-proprietary file formats and codecs, high resolution or uncompressed, and avoid transcoding during production Proprietary or open source? Dependent on specific hardware and/or software High market saturation? Good documentation / support community? Photo by stefan1024 via Flickr http://www.flickr.com/photos/stefa 2. Accessibility and Usability of Content
  • 36. Photo by tochis via Flickr http://www.flickr.com/photos/tochis/3431207670/ 2. Accessibility and Usability of Content Migrate to new file format when necessary
  • 37. Photo by comicbase via Flickr http://www.flickr.com/photos/comicbase/3338358430/ Establish a PRESERVATION And ensure sufficient funding, and staffing 3. Viable Organizational infrastructure
  • 38. Photo by seriykotik1970 via Flickr http://www.flickr.com/photos/seriykotik/195406053/ GENERAL REFLECTIONS
  • 39. Refer to the ISO standard OAIS (Open Archival Information System) Reference Model PRESERVATION PLANNING DESCRIPTIVE DESCRIPTIVE INFO INFO P DATA C R MANAGEMENT queries O O N D result sets S U SIP INGEST ACCESS orders U C ARCHIVAL M E E STORAGE DIP R R AIP AIP ADMINISTRATION MANAGEMENT
  • 40. Establish Retention Policies We can’t save everything by Simon Evans
  • 41. Establish file and folder naming conventions & workflow procedures Implement changes during transition to digital production and distribution workflow
  • 42. Photo by gbaku via Flickr http://www.flickr.com/photos/gbaku/2513320483/ Create digital content with the long term in mind Not just the immediate broadcast or distribution needs
  • 43. pre- IT production title backup dates location location checksum errors names & roles broadcast rights broadcast legal contract details Digital Asset dates summaries Management transcripts derivatives derivatives System web format user tags stills production logs EDL IDs technical information standardize terms summary air date(s) preservation post- final title library / production archive programming
  • 44. Photo by jacobian via Flickr http://www.flickr.com/photos/jacobian/2385490476/ Technology watch
  • 45. Photo by quapan via Flickr http://www.flickr.com/photos/hinkelstone/2435823037/ Investigate cooperative solutions
  • 46. Today, many television stations... Don’t know what they have Have incomplete or no catalogs for much of their content Lack equipment to playback much of their legacy content Do not know the © status of much of their content Cannot realize the potential of their collections!
  • 47. The digital era brings great opportunity to improve discovery, re-use, and cost savings in production, plus wider access and interaction with audiences
  • 48. Lets not risk the loss of our collective heritage, or waste the opportunity to take advantage of the digital transition. THANK YOU! kara.vanmalssen@nyu.edu

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