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Digital Asset Management Systems & Application Jim DeRoest, Director Streaming Media Technologies www.digitalwell.org Development Original focus broadcast-streaming integration. ResearchChannel, UWTV, KEXP Automation: encode, ingest, metadata, schedule, deliver

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Digital asset management systems application jim deroest director streaming media technologies l.jpg

Digital Asset Management Systems & Application Jim DeRoest, Director Streaming Media Technologies

www.digitalwell.org


Development l.jpg
Development

  • Original focus broadcast-streaming integration.

    • ResearchChannel, UWTV, KEXP

    • Automation: encode, ingest, metadata, schedule, deliver

    • Scalable standard def, high def, uncompressed streams

    • Support commodity bit rates and formats

  • Focus expanded to include institutional collections

    • High-quality and accessible resources to research information.

    • Educational outreach

    • Interoperate with other digital repositories

  • Why quality matters …


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Webcast and Video OnDemand

Hours Viewed Increases 200% since Jan 2002

Breakout by Bandwidth


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Average Viewing Time

Duration longer for VOD, higher bandwidths


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DigitalWell Project

  • Digital Asset Management System

    • Hierarchical, clustered infrastructure - Scaling

    • Pluggable components – Tech Evolution

    • Interoperation – Auth, Metadata, API

    • Preservation

    • Rights – Higher Education

  • http://www.digitalwell.org


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What We Built

  • Hardware

    • Clustered servers – encode, stream, …

    • NAS Online Storage

      • 12TB Isilon IQ

      • Multi-node, load balancing, single mount point

    • SAN Nearline Storage

      • STK Silos – 9840 (20GB/cart), 9940 (200GB/cart)

    • Mirrored architecture


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What We Built

  • Software

    • HSM: HPSS, UW Karc (bucket service)

    • Metadata: MS SQL

    • Web: IIS

    • Encoding: Flipfactory, Virage

    • Streaming: WM, Real, Quicktime, MP3, VideoCharger (MPEG2 5.6mbps,19.2mbps), UW HDCAM/SDTI 270mbps

    • Multicast: Amnis

    • DigitalWell State & Redirector Service


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Backend Diagram

  • Insert diagram image - mass store system


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Interoperability

  • Metadata

    • Dublin Core, MPEG7, Custom

    • OAI, possibly METS

    • API migration to OKI

    • LDAP Collection Service – LC/AMIA MIC

  • Access Controls

    • Pubcookie, Institutional Groups

    • Shibboleth under development

  • Preservation

    • OAIS?


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Application: Broadcast

  • ResearchChannel, UWTV

    • Automated Encoding

      • Dub time Mav70 capture 50mbps i-frame MPEG2

      • Transcode farm – Flipfactory, Virage

      • +1300 hrs of standard def 5.6mbps MPEG2

    • Broadcast Scheduling Integration

      • Protrack, DW metadata -> Dynamic web schedule

      • Integrated with DW On-Demand library

    • Standard def MPEG2 multicast

      • International rebroadcast support

    • http://www.researchchannel.org


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Application: KEXP

  • Digital Audio Infrastructure

  • Live Broadcast Stream

    • Uncompressed 1.4mbps

    • Commodity bit rates

  • Archived Live Broadcast

    • 2 weeks, all formats

  • Realtime Broadcast Playlist

    • Dynamic web update integrated with DJ console

    • Archived with live broadcast

  • http://kexp.org


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Institutional Collections

  • Agnostic to data type

    • Text, docs, photos, video, audio, dataset, …

  • Collection Admin Tool

    • Metadata profile support

    • Custom metadata

  • Interoperation: D-Space, ContentDM, …

  • Integration with Catalyst teaching tools

  • Available to UW campus summer qtr 2003


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Outreach & Collaborations

  • Pacific Lighthouse

    • CENIC, UW, I2 K20

    • High quality audio/video to K20

    • Content Partners: Densho, Conversations with History, Jason Project, Exploratorium, Cell Systems Initiative, ResearchChannel, KEXP

  • http://depts.washington.edu/paclight


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Collaboration

  • Moving Image Collections

    • NSDL, Library of Congress, AMIA

    • Video collection directory and union catalog

    • http://gondolin.rutgers.edu/MIC

  • Viewing the Future

    • NSDL MERIT Michigan Teachers Network

    • Audio Video Metadata for K12

  • Multi University Research Library

    • Computer Science Lecture Collection

    • http://researchchannel.org/MURL/main.html

  • Convergence Consortium

    • CPB, PBS, education collaboration

    • MARS project – Metadata profile for PBS

    • http://mars.ischool.washington.edu


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Projects & Experiments

  • 1.5mbps uncompressed HD over IP

  • 270mbps HD/SDTI live, on-demand

  • 270mbps standard def I2 multicast

  • Desktop HD – 19.2mbps ATSC MPEG2

  • Interested?

    • I2 ResearchChannel working group


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iGrid 2002 - Video Across the Atlantic

International Partnerships



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