VERFAHREN ZUR WIEDERGABE EINES DIGITALEN MULTIMEDIASTROMS MIT SCHNELLEM ZUGRIFF AUF DEN INHALT IM KLARTEXT UND VORRICHTUNG ZU DESSEN VERWENDUNG

摘要

Method for the playback of an encrypted multimedia stream, by means of a receiving terminal, with fast access to the content in the clear, characterised in that the multimedia stream is broadcast according to an adaptive broadcasting protocol, the multimedia stream is described by a manifest comprising several sections, each section corresponding to different physical features, the playback of the stream being initialised by simultaneously implementing the following steps: - downloading segments corresponding to a start-up section; - initiating a process of acquiring a decryption key; - downloading adapted segments according to the adaptive protocol; - processing the start-up section segments to obtain the decryption key, obtaining the decryption key: - terminating the processing of the start-up section segments, - processing the adapted segments.