"No merrymaking shall sell or deal out in interstate commerce a enclosed Demodulator merchandise that does not meet the terms with the Demodulator Compliance Requirements and Demodulator Robustness Requirements."
The Demodulator Compliance Requirements insisted that all HDTV demodulators necessity listen for the flag (or assume it to be present in all signals). Flagged comfortable must be output only to "protected outputs" or in degraded form: through analog outputs or digital outputs with visual resolution of 720x480 pixels or less--less than 1/4 of HDTV's capability. Flagged content may be recorded only by "Authorized" methods, which may contain tethering of recordings to a single device.
The Demodulator Robustness Requirements were mainly troubling for open-source developers. In order to avert users from gaining access to the full digital signal, the FCC tied the hands of even sophisticated users and developers.
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