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Published byAryan Smock Modified over 10 years ago
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JISC / NSF All Projects Meeting - 25/6/2002 Greg Newton-Ingham| MAAS - Head of the National Advisory Service for Moving Pictures and Sound
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Overview Selection Acquisition Encoding Management and Storage Delivery Use Issues
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MAAS MAAS - Managing Agent & Advisory Service BUFVC (www.bufvc.ac.uk) – BUND – TRILT – MIG – Hermes – Researchers Guide On-Line – Off-Air backup service – Courses, Conferences & Publications
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Strategy AV Content + Technology + Users = Learning All three components need to be present and work Strategy = Investing resources before they are required for service
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Goals Video and Audio as first class citizens Pervasive High Quality
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Moving Image Issues Content destruction No national catalogue No statutory deposit Scholarly use is different
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Selection Peer Review Content Experts Rights Owners Use Driven
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Acquisition Mother License Rights Negotiations Content Formats Local content Live Content
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Encoding Bureau Regional Expertise Quicktime & Windows Media Today - 352 x 288 @ 768Kbits/sec inc. audio Re-Encoding
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Management & Storage Data Centres Integrated National Approach Bibliographic Search Tools (e.g. Z39.50) Management, Storage and Delivery are distinct
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Delivery JANET - 10G now Content Delivery Architecture 8 Core POPs Hierarchical Delivery Wan -> Man -> Lan -> Pan
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QoS - Quality of Service Movies need (end to end): – Low Latency - <100ms total budget – Low Jitter - < 10ms (MPEG) – Quality (Low error rate) – Allocated Bandwidth (768Kbps, 1.5M, 2M, 5M)
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Net - Institutional Awareness Raising Network Design Server & Client Placement
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Use Teaching Research Business Support Social Use Anti-Social Use
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Issues - Lessons Learning Content in various forms Content negotiations is neither cheap nor straightforward We do not know how content will be used all exploring together Different to bibliographic content
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DNER - Future Watch Digital Asset Management ISMA Specifications MPEG-2 (4:2:2P ML - When stable) MPEG-4 (When available widely) Metadata US-MARC + DOI + INDECS DAM & DRM Systems
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