4. The method according to claim 3 , wherein the user's personal profile includes a rule including a third pattern of the attributes, the third pattern having been determined by an algorithm of pattern recognition classifying patterns of the attributes of the personal playlists included in the collection.
3. The method according to claim 1 , wherein the collection includes at least one sequence of audio pieces, the user's personal profile being generated by analyzing the attributes of the audio pieces arranged within the at least one sequence of audio pieces of the personal collection.