In the Latin American context, according some researchers (Martin-Barbero, Rincon, Fuenzalida), public television need a resignification, and need the development of an endogenous model of public television.
Nevertheless, public television, seems to cross a crisis period, that questions their own existence, the contents of the programming, the relation established with the public and the existing policies or institutional designs (financing policies, political independence, recruitment of human resources).
It would account of the social diversity of the societies who represent. Public tv would be a screen where alternative contents have more space than the market selects. Several studies agree about the function of the public television would consist of guaranteeing a space for the reflection and the public discussion.
The discussion focaliced in the State and the public sphere`s paper/rol, especially in tv. In the last years, the discussion about the mediatic globalization impact in the diferents ways of cultural comsumption has been increased.