Abstract: This work proposes a discussion about mediation and the notion of medium used on traditional theories and policies. It takes the Critical of Communication of Lucien Sfez (1994) as a reference. We emphasize the technological materiality and pragmatic of enunciation on the media and legal discourses that regulates the broadcasting in Brazil. When the spaces of legality are marked, the spaces of the enunciation are marked too, creating political situations where language has a force. I made an analysis of two different broadcasting bodies: the big enterprises authorized vs. small unauthorized television. Problems like écriture in Media, technological bodies and micro politics are discussed based on Jacques Derrida, Felix Guattari, Judith Butler texts and others
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