9

Middleware and interoperability aspects

The size of investments required for setting up and running digital television transmissions as well as the bewildering increase in transmission rights of attractive ‘contents’ (sports, recent movies) are such that the vast majority of digital TV programmes are not free-to-air in countries where they have a significant penetration (USA, United Kingdom, France, Italy, Spain).

Even if the DVB consortium, like the GSM in the field of mobile telephony, played the role of a powerful unifier in Europe, it could not impose a common conditional access system nor a unique user interface specification.

We have seen in Chapter 5 that there were numerous conditional access systems using the DVB-CSA scrambling ...

Get Digital Television, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.