Geographic variation in television series in Catalan. Two new concepts: autodiatopic variation and alterdiatopic variation

This article discusses the purpose of the mediatedcolloquial register in relation to the geographic (or diatopic)variation of characters in nationally-producedtelevision series. The trends observed enable us todistinguish two new concepts: autodiatopic variationand alterdiatopic variation. These two types of variationare at the service of audiovisual credibility, whichis precisely the purpose the mediated colloquial registerin television series.The observation and analysis of these trends linkedto geographic (or diatopic) variation took into accounta corpus formed by 80 episodes from a total of 20national television series produced by TV3, IB3 andChannel 9.