PPT Slide
1.Digital HDTV
Relationship between digital and analogue systems
Analog-digital
encoder/decoder
MPEG2
encoder/decoder
(compression)
Encryption
Satellite
Analog Digital
signal signal
Analogue-based Hi-Vision camera and monitor
Computer for encryption
key generation
Radio wave
(broadcasting)
DDX
(key delivery)
Control unit for
lecture room
Analogue-based NTSC camera and monitor
Lecture room
Control room
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