digital rights and digital television
DESCRIPTION
Presentation at Digital TV: Beyond HD and HDTV conference, Columbia Institute for Tele-Information, Columbia Business School, November 2007, New York City.TRANSCRIPT
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GiantStepsMedia Technology Strategies© 2007 1
Digital Rights and Digital TV
Bill RosenblattGiantSteps Media Technology Strategies
[email protected](212) 956-1045
www.giantstepsmts.com
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GiantStepsMedia Technology Strategies© 2007 2
Purposes of DRM
Curb misuse of content
Enable new content business models
Track content usage
Lock consumers into technology platforms or content formats
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Perspectives on DRM
“DRM technologies … keep honest people honest”-- Fritz Attaway, MPAA
“Trying to make digital files uncopyable is like trying to make water not wet”
-- Bruce Schneier, BT Counterpane(noted cryptography expert)
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The DRM Conundrum
Content owners– …require technical protection as condition of licensing– …try to fight the piracy battle on all fronts (law, technology,
education)– …will not subsidize DRM
Technology vendors– …want to sell new technologies that implement new content models– …see the Digital Home as the next huge opportunity– …see DRM as a necessary evil to get content licenses
Consumers– …want to consume content in convenient ways– …may enjoy new business models (e.g. subscription services)– …generally dislike DRM
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Digital Rights Technologies
Encryption– “Classic DRM”
Content Identification– Watermarking– Fingerprinting
Rights Information Management– B-to-B
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© 2007 6
DRM Domains
Head End to GatewayDevice
Personal Network
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Head End to Gateway Device
Successor technology to Conditional Access Encrypt the link
– Cable, satellite, IPTV
Pass along rights information– From offers in subscriber management system– To gateway device, e.g. STB
Minimize cost of incremental hardware in gateway device– Encourage adoption by gateway device makers
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Gateway Device to Personal Network
Allow reasonable use throughout personal networks– Play on any monitor– Store for playback later– Transfer to portable device
Content owners becoming comfortable with this
Consumer electronics makers see next big market
Consumers generally scratching their heads (so far)
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DRM Schemes for Personal Networks:The Axes of Power
Goal: become the control center & gatekeeper Set-top box axis: NDS, Thomson, Humax, Pace Micro,…
– Secure Video Processor (SVP) Alliance
Media player axis: Sony, Philips, Samsung, Matsushita– Marlin
Mobile handset axis: Nokia, Motorola, Sony Ericsson,…– Open Mobile Alliance DRM 2.0
Microsoft (axis unto itself): – Windows Media DRM, Microsoft Media Transfer Protocol
Apple– Maybe, someday…
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Interoperability
Among existing DRMs– Coral Consortium (standards group):
everybody but service providers
De facto standards– See “axes”
Escape to analog– Domain of copyright law and Fair Use
Hack– Anticircumvention law
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Watermarking
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Video Fingerprinting
Examining content in order to identify it– “Take its fingerprint”– Filter: block identified content from upload– Or do something else – serve a related ad, charge a fee, etc.
Reasonably proven technology for music– Less proven for video
Bone of contention in Viacom v. Google litigation– Attempt to extend Grokster and secondary liability law to include a
duty to filter
Focus of “UCG Principles” document– CBS, DailyMotion, Disney, News Corp, NBCU, Veoh, Viacom, Microsoft– Encompasses fingerprinting or watermarking
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Bill [email protected]
(212) 956-1045www.giantstepsmts.com