A system for the transmission of audiovisual signals between at least one source node and at least one destination node comprises: at least one central switch to which at least one source node is connected and at least two home audiovisual networks, each comprising a plurality of nodes each capable of playing the role of a destination node to which said audiovisual signals are transmitted from said at least one source node. Each home audiovisual network is connected to said at least one central switch by means of said at least one of its nodes. Said at least one central switch comprises interconnection management means. These means themselves comprise means for the selective authorisation of a first type of transmission of audiovisual signals through said at least one central switch from said at least one source node to at least one of the destination nodes of one of the home audiovisual networks.