Digital television
Videos
Digital television is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. In the 2000s it was represented
Comparison of image quality between ISDB-T (1080i broadcast, top) and NTSC (480i transmission, bottom)
CableCARD
Videos
CableCARD is a special-use PC Card device that allows consumers in the United States to view and record digital cable television channels on digital video recorders, personal computers and television
A Motorola CableCARD.
A Scientific Atlanta (now Cisco) multi-stream CableCARD or "M-card"
The backside of the same card