----- Original Message ----- From: "John Willkie" <johnwillkie@xxxxxxxxxxxxx>
Assuming that they use MPEG-2 systems and DVB-SI (very likely, to say theleast), each program element can be signaled as being conditional access viaa descriptor associated with that pid.
http://www.microsoft.com/presspass/press/2005/apr05/04-18CrownCastlePR.mspxCrown Castle Mobile Media Selects Windows Media and Windows Media DRM 10 to Deliver Live Television to Mobile Devices
HOUSTON and LAS VEGAS -- April 17, 2005 -- Crown Castle Mobile Media, a subsidiary of Crown Castle International Corp., and Microsoft Corp. today announced that Crown Castle Mobile Media has selected Windows Media® Audio, Windows Media Video 9 and Windows Media Digital Rights Management (DRM) 10 for its Digital Video Broadcasting-Handheld (DVB-H) broadcast service deployment. As a preview of the exciting possibilities this relationship will deliver, Crown Castle Mobile Media will be demonstrating with Microsoft live mobile TV on Windows Mobile (TM) -based devices at the National Association of Broadcasters convention in Las Vegas from April 16 to April 21, 2005.
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