"managing and protecting digital broadcast audio, video and data on personal computers”
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"Managing and Protecting Digital Broadcast Audio, Video and Data on Personal Computers” Dewey Weaver President January 15, 2002. AccessDTV Overview. AccessDTV develops digital media network technology and services. Digital Media Receiver Network Management Server - PowerPoint PPT PresentationTRANSCRIPT
"Managing and Protecting Digital Broadcast Audio, Videoand Data on Personal Computers”
Dewey WeaverPresident
January 15, 2002
Page 2
AccessDTV Overview
• AccessDTV develops digital media network technology and services.– Digital Media Receiver– Network Management Server
• AccessDTV enables the digital television network :– Tuning, Timeshifting, Services– TV set or “device” economics– “WAN” access; “LAN” control and
management
Page 3
AccessDTV Overview
• Founded May 2000• Located in Raleigh, North
Carolina
• 18 Employees
• Multiple patents pending
Page 4
Digital Media Receiver
accessDTV
Speakers via PC sound card
PC monitor via PC video card
Dolby Digitalsurround sound
Digital display orPC Monitor
DigitalBroadcast DTV Digital CATV
AnalogBroadcast TV CATV, Satellite TV
Input ‚
Input
PCI Bus
Outputsoftware
Page 5
Client Functionality
Data bits in signal are
extracted and stored on
client PC asdata files. These files might be games,
application software, or
actual movies.
GUI• Analog + Digital TV Tuning• Signal Metering• TV Station Branding• Ad Management• PVR/digitalVCR Control• Conditional Access Control• Datacast Management
Audio and Video bits are displayedon client’s computer in a separate
video window.
Page 6
Why PC DTV Encryption• Proprietary copy protection needed for
emerging PC-powered DTV market
• “In-the-clear” content protection technology
• Reduced liability for vendors while content owners implement standards
• Patent Pending
• Reference design for STB, digital display– Multi-tuner, HW/SW Decode, Advanced UI,
– Services, Transport to IP Client Server
accessDTV Encryption
Tuner
Demodulate
Capture Filter Capture Bitstream Bit Scrubber Encryption
128 Bit Wrapper
EPROM(Serialization)
Encrypted Data
PCI to PCI Bridge
Storage
Page 8
accessDTV DecryptionStorage
Encrypted Data
PCI to PCIBridge
Capture Filter Bit Scrubber
128 Bit Wrapper
EPROM(Serialization)
Decrypted Data
DTV Decode
Decryption
Video
Data
Audio
(Analog, 1394, DVI, Panelink)
Page 9
accessDTV Timeshifting Encryption
Tuner
Demodulate
Capture Filter Capture Bitstream Bit Scrubber Encryption
128 Bit Wrapper
EPROM(Serialization)
Encrypted Data
PCI to PCI Bridge
StorageDTV
Decode
Video
Data
Audio
Page 10
Value Proposition by Industry
• PC-OEM: Beachhead app for home networks,
media server
• TV set: Integrated DTV/PVR functionality,
services, 802.11a networking
• CATV: DTV & PVR in next-gen set-top
• Broadband ISP: Entertainment bundle to compete
with CATV
• TV Broadcaster: Digital audience; “wireless cable”
“One core product fits all”
MPAA CPTWGJanuary 2002
For additional Information:accessDTV
3203 Womans Club DriveRaleigh, NC 27612