O'Reilly logo

Digital Television, 2nd Edition by Herve Benoit

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

5

Scrambling and conditional access

The proportion of free access programmes among analogue TV transmissions by cable or satellite is decreasing continuously, at the same time as their number increases; hence, it is almost certain that the vast majority of digital TV programmes will be pay-TV services, in order to recover as quickly as possible the high investments required to launch these services. Billing forms will be much more diversified (conventional subscription, pay per view, near video on demand) than what we know today, made easier by the high available bit-rate of the system and a ‘return channel’ (to the broadcaster or a bank) provided by a modem.

The DVB standard, as explained in the previous chapter, envisages the transmission ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required