Closing the Analog Hole
On December 16, Congressmen James Sensenbrenner (R-WI) and John Conyers (D-MI) introduced <A HREF="http://static.publicknowledge.org/pdf/HR-4569-DTCSA-Analog-Hole.pdf">HR 4569</A>, a bill "to require certain analog conversion devices to preserve digital content security measures"—in other words, to mandate that electronic devices and software manufactured after a yet-to-be-specified date respond to a copy protection system or watermark embedded in a video signal and pass that along when converting the signal to analog or vice versa. It also mandates copy protection for analog signals. This is referred to as "plugging the analog hole," since analog signals, even those converted from protected high-definition digital sources, are currently "in the clear" or open for copying. (Standard-definition signals can be protected by systems like Macrovision, but no such protection exists for high-definition signals.)