Ability to downgrade HDTV signal to 480i at request of content ow...
Ability to downgrade HDTV signal to 480i at request of content owners is built into DirecTV satellite receivers, several CE manufacturers confirmed. Downgrade function was incorporated as only copy protection method available that could allay content owners’ fear of…
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unauthorized digital copying, and thereby obtain HD programming for DirecTV, manufacturers said. Receivers use Copy Generation Management System, which has codes to permit unlimited copying, recording single copy or prohibiting any copying. When DirecTV invokes no-copy provision at content owner’s request, receiver shuts off high-definition (1080i/720p) signal to DTV display and on-screen message informs viewer that only SDTV 480i image is available. Manufacturers said they hoped that emergence of secure digital copy protection methods would eliminate stopgap measure of downgrading HDTV picture. CEA said it expected to issue statement on subject in near future.