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数字流压缩编码加扰——全数字加扰传送 早在70年代广播电视部门就开始采用数字化的电视设备,如时基校正器、帧同步机、数字制式转换、数字特技、静止图像存储以及数字降噪等,但采用全数字信号来传输图像信号直到近几年才取得实质性进展。虽然全数
Digital Stream Scrambler Scramble - All-Digital Scramble Transmission As early as the 1970s, the broadcasting sector began to adopt digital television equipment such as time base correctors, frame synchro- nos, digital format conversion, digital special effects, still image storage, and digital Noise reduction, etc. However, the use of all digital signals to transmit image signals has not progressed substantially until recent years. Although all