"Managing and Protecting Digital Broadcast Audio, Video and Data on Personal Computers” Dewey Weaver President January 15, 2002.

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Presentation transcript:

"Managing and Protecting Digital Broadcast Audio, Video and Data on Personal Computers” Dewey Weaver President 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 Digital surround sound Digital display or PC Monitor Digital Broadcast DTV Digital CATV Analog Broadcast TV CATV, Satellite TV Input ‚  PCI Bus Output software

Page 5 Client Functionality Data bits in signal are extracted and stored on client PC as data 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 displayed on 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 FilterCapture BitstreamBit ScrubberEncryption 128 Bit Wrapper EPROM (Serialization) Encrypted Data PCI to PCI Bridge Storage

Page 8 accessDTV Decryption Storage Encrypted Data PCI to PCI Bridge Capture FilterBit 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 FilterCapture BitstreamBit ScrubberEncryption 128 Bit Wrapper EPROM (Serialization) Encrypted Data PCI to PCI Bridge Storage DTV 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, a 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 CPTWG January 2002 For additional Information: accessDTV 3203 Womans Club Drive Raleigh, NC