Abstract: The present invention relates to a system (3) for ordering audio and/or video files, which system is integrated into a receiver (1) of audio and/or video programs (5), each of the files corresponding to at least one of the programs. This system comprises means of extraction (12) of information relating to the files from the corresponding programs, means of enabling (14) of an order for files and means of triggering (16) of downloading to a recording medium (4) of trains (6) of the files ordered.

Abstract: The invention relates to a process for transmitting and a process for receiving update data. According to the invention, the update data are dispatched by a communication center to terminals with the aid of a broadcasting network. Next, the terminals report their update to the center through a bidirectional network. The center renews the campaign or stops the current campaign as a function of the number of terminals updated. When only a minimum number of terminals to be updated remains, the campaign is stopped, the last terminals not updated will be so via the bidirectional link.