Patent ID: 7676039

Claim:
An apparatus for controlling storage and playback of digital broadcasting contents in a transmitter of a digital broadcasting environment, comprising: an access control means for generating: (a) access control information for access control service and (b) control word for scrambling; a copy control information (CCI) generation means for generating copy control information; a broadcasting flag (BF) generation means for generating broadcasting flag; a retention information (RI) generation means for generating retention information; a watermarking means for receiving the CCI, the BF and the RI and watermarking an uncompressed media signal with the CCI, the BF and the RI to thereby generate a watermarked media signal; a media encoding means for compressing the watermarked media signal; a multiplexing means for receiving and multiplexing the watermarked and compressed media signal, the access control information, the CCI, the BF, and the RI to thereby generate multiplexed transport stream; and a scrambling means for scrambling the multiplexed transport stream based on the control word and transmitting the scrambled transport stream.